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p a s005b a l l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t b e r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . 10/ 1/ 0 3 v1 .0 , p ix art ima g in g in c . e -ma il: fae _ se rvice@ pix a rt.c om .tw p a s005b sxga color/mono digital cmos image sensor general description the p a s0 0 5 b i s a hi ghl y i n t e grat e d c m o s act i v e- pi xel i m age sens or t h at ha s a sxga reso lu tion of 1 280 (h) x 1 024 (v ). t o hav e an ex cellen t im ag e q u a lity , th e p a s 005b o u t p u t s 10 -bit rg b raw d a ta th roug h a parallel d a ta bus . it i s a v ai l a bl e i n c o l o r o r m onoch r om e i n 48 - p i n lc c . th e p a s0 05 b can b e pro g rammed to set t h e exp o s ure time for d i f f eren t lu m i n a n ce co nd itio ns v i a i 2 c tm serial cont rol b u s. b y pr o g ram m i n g t h e i n t e r n al r e gi st er set s , i t per f o r m s on -c h i p fram e rat e a d j u st m e nt , o f fs et co rrect i o n dac , pr og ram m a bl e gai n c o nt r o l , 10 - b i t s adc , 8- bi t s o u t p ut c o m p and i ng, i n t e r p ol at ed s u b-sam p l i ng a n d defect com p ensation. key specification suppl y voltage 3. 3v + 10 % array formate 1 280 (h ) x 1024 (v ) optic a l form at 1/ 2 ? pixel siz e 5. 4m x 5. 4 m frame r a te ~ 1 0 f p s @ ful l vi de o sys t em cl ock up to 4 8 m h z ma x. pi xel r a t e 16 m h z fpn 7. 05 l e vel sensitivi t y 55 3 l e vel / l u x * s ec pga gain 26 db (m a x . ) co l o r filter rgb bayer pattern ex posur e time ~ fram e t i m e to 1 pi xel c l k scan mode pr ogr essiv e s/n ra tio 45db power < 150 mw @ 10 fps package 48-pin lcc featur es ? s x g a ( 1 28 0 x 1 0 2 4 pi xel s ) r e s o l u ti on, 1/ 2? l e ns ? b ayer - rgb c o l o r fi l t er arr ay ? on-c hip 10-bi t pipelined a/ d c o n v erter ? user selectable dig i ta l o u tput fo rmats: ? 1 0 -bit pa ra llel rgb ra w data ? form at ted da ta ou tp ut ? on-c hip 9-bi t back gr oun d c o mpen sation dac ? on-c hip pr ogramm a ble gai n am plifier ? 4 - bi t co lo r ga in a m plifier (x3 ) ? 5-bi t gl ob al ga i n ampl i f i e r ( x 4 ) ? continuous variable fr ame time(1/2sec~1/ 30s ec) ? c o n t in uo us va ria b le ex po su r e t i me ? i 2 c tm interface ? extern al s y nc hr oniz ati o n s u ppor t ? si ngl e 3. 3v su ppl y v o l t age ? 150 m w low power dissipati on (<100m w @ vg a, 30 fps ) ? 2 0 0 uw lo w po wer do wn dissipa t i o n ? supp ort fl ash light timing ? mirr or r e a d o u t (ver tical & horiz o nt al) ? w i ndowin g ? interp ol a t ed s ub-s a mpl i n g: 1/ 2, 1/ 4, 1/ 8
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw 1. pin assignment 2 5 x _ v d d a y i / o array p o w e r 2 6 v s s a y p array g r o u n d 2 7 v s s d p digital ground 2 8 v d d d p digital p o w e r 29 scl i i2c serial clo c k 30 sda i/o i2c serial data 31 px0 o dataout bit 0 32 px1 o dataout bit 1 33 px2 o dataout bit 2 34 px3 o dataout bit 3 35 px4 o dataout bit 4 36 vddq p i/o driver power 37 vssq p i/o driver ground 38 px5 o dataout bit 5 39 px6 o dataout bit 6 40 px7 o dataout bit 7 41 px8 o dataout bit 8 42 px9 o dataout bit 9 4 3 s y s c l k i s y stem clo c k 4 4 h s y n c o h o r i z o n t a l s y n c 4 5 p x c l k o pixel clo c k 4 6 s y n c i extern a l s y n c 4 7 n c - not c o n n e c t e d 4 8 v s y n c o v e r t i c a l s y n c pi n # n a m e t y p e descri pt i o n 1 csb i chip select bar 2 v d d d p digital p o w e r 3 v s s d p digital ground 4 v s s _ e s d p esd g r o u n d 5 v d d a p analog p o w e r 6 x _ v d d d i / o intern al d i gi ta l po we r 7 v l r s t i / o v l r s t 8 i_pxon i/o analog test output n 9 i_pxop i/o analog test outp u t p 10 i_pxin i/o analog test inpu t n 1 1 i_pxip i/o analog test inpu t p 1 2 v s s x p regulato r groun d 1 3 v d d x p regulator p o w e r 14 x_vrb o v o ltag e ref e ren ce bo ttom 1 5 x _ v r t o v o ltage r e f e r e n c e t o p 16 x_vcm o v o ltag e common mode 1 7 v s s x p regulato r groun d 18 x_vcm o v o ltag e common mode 19 extresn i extern al r n_no de 20 extresp i extern al r p_node 2 1 x _ v r e f o v o ltag e ref e ren ce testpoin t 2 2 v s s a p analog ground 2 3 v d d a p analog p o w e r 2 4 n c - not c o n n e c t e d
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw 2. block diagram imag e ar ray 13 0 8 x 1 040 cd s row d e cod e r c o l u m n de coder fg gg cg 10 b a / d 9b d / a fr a m e abc- a fr a m e ab c - d lin e abc- d x 2 ~x 3.5 ( 2b) x 1 ~x 2.87 5 ( 4b) x 1 ~ x 4. 1 ( 5b) 1b: s i gn 8b: m agnitu de de f e ct c o m pens ation xy -a v e ra g e t i m i n g ge n e rat o r & co ntr o l logic f r ont g a i n co l o r g a in r: g1 : g 2 : b gl ob a l ga i n color d a c r:g 1 : g 2: b c o m p andin g sc l sd a sy sc l k sy nc px c l k h syn c v syn c p x [0 : 9 ] a b c : a u to - b ac k g r o un d co mp ensatio n. f r a m e a b c - a : f r a m e bas e d a b c - an al og do m a i n . fr a m e a b c - d : fra m e b a sed a b c - di g ita l d o m a i n . l i ne a b c - d : l i n e b a s e d a b c- d i g ita l d o m a in. a v e r a ged su b - s a m p l i n g f u n c tion fi gu re 2. 1. s h ows t h e p a s 0 0 5 se ns or bl ock di ag ram th e p a s0 05 i s a 1 / 2 ? i n c h cmo s im ag in g sen s o r w ith 1 308 x10 40 physical p i x e ls. th e activ e r e gio n of sen s o r array is 128 8x1 028 as sh own i n fig . 2 . 1 . th e sen s or array is cov e r w ith bayer pattern co lor filters and u-len s . th e first p i x e l lo cation <0,0 > is prog ramm ab le in 2 di rection (x and y) and t h e defa ult val u e i s at the l e ft -d ow n si de of sens o r a rray . aft e r a pr o g ra m m a bl e expos ure t i m e, t h e im age i s sam p l e d fi rst wi t h c d s (c or rel a t e d d o ubl e sa m p li ng) bl oc k t o i m pro v e s/ n rat i o n a n d re d u c e fi xe d pat t e r n n o i s e. t h e o p t i o nal x y -ave rage d f u n c t i on i s i m p l e m en ted to im p r ov e th e su b-sam a p lin g i m ag e qu ality . it can redu ce th e sawtoo th ed g e in vga an d cif fo rm at out put . three anal og gain stages are im ple m ented be fore si gnal tr ansf err e d b y t h e 1 0b ad c. the f r on t g a i n stage ( f g) can b e prog rammed to fit th e satu ration lev e l of sens or to th e fu ll-range in pu t of adc. th e p r og rammab l e col o r gai n st a g e (c g) i s u s ed t o bal a nce t h e l u m i nance res p o n se di f f e r e n ce bet w ee n b / g/ r . the gl o b a l gai n stage (gg) is programm ed to ad ap t t h e g a in to th e im ag e lu min a n ce. th e fi n e gain ed sign al w ill be d i g itized b y th e on -ch i p 10b ad c. a f ter th e i m ag e d a ta h a s b een d i g i tized ,
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw furth e r alteratio n to t h e si g n a l can b e app lied b e fore th e d a t a is ou tpu t: 2.2 automati c backgr ound compensa tion (abc) the ab c f u nc t i on i s i m pl em ent e d by 3 st e p s : ab c - a , f r am e-based a b c - d, a n d li ne- b ase d ab c - d. t h e ab c - a i s i m plem ent e d i n a n a l og d o m a i n wi t h a n on -chi p 9 b d a c . t h e fr am e-based ab c - d i s i m pl em ent e d in d i g ital do m a in to au t o m a t i cally co m p en sate th e leak ag e cu rren t with 2 dark referen ce li n e s on top o f sen s o r array . th e li ne-b ased abc-d is im p l e m en ted in d i g ital do m a in to au tomatical ly co mp ensate th e leak ag e with 4 dar k re fere n ce col u m n s su rr ou n d t h e se n s or ar ray . th es e thre e bloc ks can be ena b le/disable sepa rat e ly by use r . 2.3 defect c o mpensation the defect c o m p ensation bl ock can de tect the possible de fect pixel a n d replace it with a v era g e out put of like - co lored p i x e ls o n eith er sid e o f d e fectiv e p i x e l. th er e is no limitatio n in th e capab ility o f d e fect n u m b e r . th is fun c tion is also en ab le/d isab le b y u s er . 2.4 com p an ding the c o m p andi ng f unct i o n i s use d t o si m u l a t e t h e gam m a cur v e a nd d o no n - l i n ear t r a n sfo r m a t i on bef o re t h e dat a i s out put . there are 8 c u rves sel ect ed b y set t i ng regi st er c o m p_cr v [ 2 : 0 ] as s h o w n i n fi g. 2 . 4 . t h e de faul t v a lu e [0 0 ] is a lin ear cu rv e.
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw fi gur e 2. 4 c o mpan di ng cur v es pr og ra m b y co m p _ c rv [2 :0 ] 3. register and function 3.1. register list regis t e r r e g i s t e r r/w def a ult (decim a l) descripti o n reg _ 2 [ 3 : 0 ] n p _i2c [3 :0 ] r/w 1 i2c sam p l i ng fre que ncy = f r eq ue ncy o f i _ sy scl k / np _i 2c pro g r am m i ng r a nge o f n p_i 2 c : 1~ 1 5 r e g_3 [5 :0] np[ 5 :0 ] r/w 2 pi xel rat e = f r e que ncy of i _ sy scl k / np pro g r am m i ng r a nge o f n p : 1~ 63 r e g_4 [7 ] sing le_pat h r/w 0 a n al o g sign al p r o cessi n g sing le or do ub le path 0: d o ubl e pat h , 1: si ngl e pat h r e g_4 [6 ] cm r/w 1 c o l o r m ode or m o n o m ode( u se d onl y i n su b - sam p l i ng m ode) 0: m o n o m ode, 1: c o l o r m ode r e g_4 [5 ] rr c r/w 0 reve rse read colum n 0: f o r w a r d rea d o u t, 1: reve rs e rea d o u t r e g_4 [4 ] rrr r/w 0 reve rse read r o w 0: f o r w a r d rea d o u t, 1: reve rs e rea d o u t r e g_4 [3 :2] cf [1 :0 ] r/w 0 colum n fre que n cy 00 : no rm al read ou t with ou t su b-sam p lin g , 01 : 1/ 2 s u b - sa m p li ng 10 : 1/ 4 s u b - sa m p li ng, 11 : 1/ 8 s u b - sa m p li ng r e g_4 [1 :0] rf [1 :0 ] r/w 0 ro w fre q u ency 00 : no rm al read ou t with ou t su b-sam p lin g , 01 : 1/ 2 s u b - sa m p li ng * 1 c
yyy yyyyy yyyyy yyy yyy yyy y xj u i pv u d p n q b o ej oh yy yyy yy 0 1 c

pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw 10 : 1/ 4 s u b - sa m p li ng, 11 : 1/ 8 s u b - sa m p li ng r e g_5 [2 :0] w c p_i n [ 1 0: 8] r / w 0 w i n d o w c o l u m n poi nt e r r e g_6 [7 :0] wcp_ in[7 :0] r / w 0 w i n d o w c o l u m n poi nt e r r e g_7 [2 :0] wcw_ in[ 1 0 : 8] r/w 1 287 w i nd ow co lu m n w i d t h r e g_8 [7 :0] w c w _ in[7 :0 ] r/w 1 287 w i nd ow co lu m n w i d t h r e g_9 [2 :0] wrp[ 10 :8 ] r/w 0 w i nd ow r o w po in ter r e g_1 0[7 : 0 ] wrp[ 7: 0] r/w 0 w i nd ow r o w po in ter reg _ 1 1[ 2: 0] wrd r/w 1 027 w i nd ow r o w dep t h r e g_1 2[7 : 0 ] wrd r/w 1 027 w i nd ow r o w dep t h r e g_1 3[5 ] cd s_e x t 2 _in r/w 0 c d s t i m i ng e x t e nsi on t o 2 t i m e s of no r m al c d s t i m i ng fo r 48 m pi xel rat e r e g_1 3[4 ] r o w _ ave r/w 0 r o w av e r ag e for row su b- s a mp lin g r e g_1 3[3 ] dir_ave r/w 0 direction of average 0: t h e sam e di rect i on of r r c 1: re ver s e di re ct i on of r r c r e g_1 3[2 ] mono_ave r/w 0 u s ed for m o n o co lor filter 0: r o w & ro w a v e r ag e 1: r o w & ro w a v e r ag e r e g _ 1 3 [ 1 ] s e q _ e x p r/w 1 r e g_1 3[0 ] s n a p _ ena r/w 0 r e g_1 4[2 : 0 ] cov [ 10 :8 ] r/w 0 colum n overhe ad: us ed to i n crease line tim e r e g_1 5[7 : 0 ] cov [ 7: 0] r/w 0 colum n overhe ad: us ed to i n crease line tim e r e g_1 6[0 ] mode _ch g _r e g r/w 0 it is u s ed to reset th e fu ll senso r array an d ex po su re address whe n critical ope ration mode is chan ge d( use f ul onl y t h at reg i st er ?fl a g? i s set t o 1 and reset of t h e f u l l sens o r ar ray an d e x p o s u re ad dress will start till th e first n e w fram e is readou t after reg i ster ?flag ? is set t o 1 ) . it will b e reset b y th e same m ech an ism th at fla g regi st er be rese t . r e g_1 7[5 : 0 ] lpf[ 13: 8] r/w 1 027 lin e p e r fram e : to tal fram e ti me = (lpf+1)+2 lin es r e g_1 8[7 : 0 ] lpf[7:0] r/w 1 027 lin e p e r fram e : to tal fram e ti me = (lpf+1)+2 lin es r e g_1 9[5 : 0 ] ny[ 1 3: 8] r/w 0 exp o s ure tim e start po in t o f fset in lin e reso lu tio n r e g_2 0[7 : 0 ] ny[ 7 :0 ] r/w 0 exp o s ure tim e start po in t o f fset in lin e reso lu tio n r e g_2 1[2 : 0 ] ne[ 1 0: 8] r/w 0 exp o s ure tim e start po in t o f fset in p i x e l resolu tio n r e g_2 2[7 : 0 ] ne[7 :0 ] r/w 0 exp o s ure tim e start po in t o f fset in p i x e l resolu tio n r e g_2 3[6 : 5 ] frnt _g ai n [ 1 : 0 ] r/w 0 f r o n t g a in r e g_2 3[4 : 0 ] gl ob al _ gai n [ 4 : 0 ] r/w 0 g l o b a l g a i n r e g_2 4[3 ] dac _ b _ sign r/w 1 the dac si gn of c o lor b r e g_2 4[2 ] dac _ g 1 _sig n r/w 1 the dac si gn of c o lor g1 r e g_2 4[1 ] dac _ g 0 _sig n r/w 1 the dac si gn of c o lor g0 r e g_2 4[0 ] dac _ r_si gn r/w 1 the dac si gn of c o lor r r e g_2 5[7 : 0 ] d a c_ b[7: 0] r/w 0 the dac value of col o r b (dac set t i ng i s do ne by si gne d - m a gni t ude) r e g_2 6[7 : 0 ] dac _ g 1 [7 :0 ] r/w 0 the dac value of col o r g1 r e g_2 7[7 : 0 ] dac _ g 0 [7 :0 ] r/w 0 the dac value of col o r g0 r e g_2 8[7 : 0 ] dac _ r[ 7: 0] r/w 0 the dac value of col o r r r e g_2 9[3 : 0 ] c g _ b [3 :0] r/w 0 co lo r g a i n o f co lor b
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw r e g_3 0[3 : 0 ] c g _ g 1[ 3: 0] r/w 0 co lo r g a i n o f co lor g1 r e g_3 1[3 : 0 ] c g _ g 0[ 3: 0] r/w 0 co lo r g a i n o f co lor g0 r e g_3 2[3 : 0 ] c g_r [3 :0 ] r/w 0 co lo r g a i n o f co lor r r e g_3 3[2 : 0 ] acc1 _b [ 1 0: 8] r/w 0 2 ? s co m p le m e n t v a l u e fo r d i g ital calib ration of co lor b r e g_3 4[7 : 0 ] acc1 _b[ 7 :0 ] r/w 0 2 ? s co m p le m e n t v a l u e fo r d i g ital calib ration of co lor g1 r e g_3 5[2 : 0 ] a cc1_ g 1[ 10 :8] r/w 0 2 ? s co m p le m e n t v a l u e fo r d i g ital calib ration of co lor g1 r e g_3 6[7 : 0 ] a cc1_ g 1[ 7: 0] r/w 0 2 ? s co m p le m e n t v a l u e fo r d i g ital calib ration of co lor g1 r e g_3 7[2 : 0 ] a cc1_ g 0[ 10 :8] r/w 0 2 ? s co m p le m e n t v a l u e fo r d i g ital calib ration of co lor g0 r e g_3 8[7 : 0 ] a cc1_ g 0[ 7: 0] r/w 0 2 ? s co m p le m e n t v a l u e fo r d i g ital calib ration of co lor g0 r e g_3 9[2 : 0 ] acc1 _ r [ 1 0: 8] r/w 0 2 ? s co m p le m e n t v a l u e fo r d i g ital calib ration of co lor r r e g_4 0[7 : 0 ] a cc1_r [7 :0] r/w 0 2 ? s co m p le m e n t v a l u e fo r d i g ital calib ration of co lor r r e g_4 1[0 ] fla g r/w 0 use d t o sy nc hr oni ze regi st er up dat e by f r a m e when fast _i 2c i s set 0 it will b e reset to 0 till th e first n e w fram e is read ou t after it is set t o 1 r e g_4 2[2 ] mode _ch g _en a r/w 1 wh en it is set to 1, th e m o d e related reg i sters will b e u p d a ted on ly after m o d e _ c hg is set to 1 r e g_4 2[1 ] dac _ p g_l ag r/w 0 dac & pga up d a te d e lay 1 fram e au to m a ti cally r e g_4 2[0 ] fas t _i 2c r/w 0 fast update of s y nchronized i2c re gisters r e g_4 3[7 ] sfrst_ena r/w 0 so urce fo llo wer reset en ab le r e g_4 3[6 : 5 ] shr_ ex t[1 :0 ] r/w 1 shr ex ten s i o n cds_ rst 1 : 00 : 9 c k 12 01 : 14 ck 12 10 : 19 ck 12 11 : 2 4 c k 12 r e g_4 3[4 : 2 ] comp_cr v [2:0] r/w 0 c o m p anding c u r v e r e g_4 3[1 ] vsy n c_ p r/w 0 v s y n c po l a r i t y r e g_4 3[0 ] hsyn c_p r/w 0 h s y n c po l a r i t y r e g_4 4[7 : 6 ] dac o r[1:0] r/w 0 dac o u t p ut ra nge 00 : x1 /8 01 : x1 /4 10 : x1 /2 11 : x1 r e g_4 4[5 : 0 ] o f f s et[5 :0 ] r/w 1 o f fset v a lu e for abc r e g_4 5[7 : 0 ] t h r e shol d _ 1_ by 4[ 7: 0] r / w 25 thre sh ol d _ 1 di vi de d by 4 f o r defect c o m p en sat i on r e g_4 6[7 : 0 ] t h r e shol d _ 2_ by 4[ 7: 0] r / w 13 thre sh ol d _ 2 di vi de d by 4 f o r defect c o m p en sat i on r e g_4 7[5 ] defec t _e nh r/w 0 0 : de fect c o mpensation disa ble 1 : de fect c o mpensation ena b le r e g_4 7[4 ] abc _ enh r/w 0 a b c en ab le h i g h r e g_4 7[3 ] line_a vg_ enh r/w 0 lin e b a sed d i gital calib ratio n en ab le h i gh r e g_4 7[2 ] frm_a v g_enh r/w 0 fram e b a sed d i g ital calib ration en ab le h i gh r e g_4 7[1 : 0 ] a v g_ nu m_ index [ 1 : 0] r/w 1 nu m b er o f p i xels for fram e b a sed d i g ital calib ration 00 : 4 pi xel s 01 : 8 pi xel s 10 : 1 6 pi xel s 11 : 3 2 pi xel s r e g_4 8[6 ] ds c_ pd r/w 0 dig ital timin g ( co lu m n ad dress, c d s timin g) d i sab l e
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw in r e du nd an cy r o w s r e g_4 8[5 ] cds_pd r/w 0 a n al o g cds disab l e in r e dund an cy ro w s r e g_4 8[4 ] asp _ pd r / w 0 anal og si g n al pat h di sa bl e i n red u nda ncy r o ws r e g_4 8[3 ] path_c hg r/w 0 c o m b i n at i on o f (si n gl e_ pat h , pat h _ch g ) : 00 : eve n pi xel s pr ocesse d by eve n si g n al p a t h , o d d pi xel s pr ocesse d by o d d si gnal pat h 01 : ev en p i x e ls pro cessed by od d sign al p a th , o d d pi xel s pr ocesse d by eve n si g n a l pat h 10 : al l pi xel s a r e pr ocesse d b y t h e eve n si gn al pat h 11 : all pixels are proces sed by the odd sign al p a th r e g_4 8[2 ] even_path r/w 0 usef ul o n l y whe n m ono m ode an d d o ubl e pat h read o u t , eve n pi xel s a nd o dd pi xel s ar e al l p r oces sed , but j u st onl y ei t h er e v e n or o d d pi xel s a r e rea d o u t 0: f o r rea d out e v en pat h 1: f o r rea d out od d pat h r e g_4 8[1 ] csbe r / w 0 1 fo r cl o s i n g t h e eve n a n al o g s i gnal pat h r e g_4 8[0 ] csbo r / w 0 1 fo r cl o s i n g t h e o d d anal og si gnal pat h r e g_4 9[5 ] te s t _ e n h r/w 0 t e st enable hi g h r e g_4 9[4 ] dqio_ enl r / w 0 dqi o e n abl e l o w r e g_4 9[3 ] scan _d ac r/w 0 scan dac (useful only whe n t e st_enh= 1 ) r e g_4 9[2 ] scan _c ol or r/w 0 scan c o lor gain (u sefu l on ly wh en t e st _ e nh=1) r e g_4 9[1 ] scan _gl o b a l r/w 0 scan global gain(use f u l onl y w h en t e st _e n h =1 ) r e g_4 9[0 ] pg a_ test _e n h r / w 0 pga t e st ena b l e hi g h r e g_5 0[5 ] sfswt_enh r / w 0 so urce f o l l o we r dy nam i c swi t ch e n abl e hi gh r e g_5 0[4 ] of fset _e nl r/w 0 anal og signal path of fset e n a b le low r e g_5 0[3 ] z d l y_pl u s r / w 0 zeroi n g s w i t c h del a y pl us e n a b l e hi gh r e g_5 0[2 ] cds_z e r o _enh r/w 0 zero i n g switch in c d s en ab le h i gh r e g_5 0[1 ] v ga_ av e_ enh r/w 0 vga reso lu tion av erag ed o u t en ab le h i gh r e g_5 0[0 ] ci f_ ave _e nh r/w 0 ci f re s o lu tio n a v e r ag ed o u t en a b le h i gh r e g_5 1[7 ] cds_fas t _enh r / w 0 c d s bl oc k fast ena b l e hi gh r e g_5 1[6 ] dac _ fast_en h r / w 0 dac bl o c k fas t enabl e hi gh r e g_5 1[5 ] pg a_ fa st _e nh r / w 0 pg a bl oc k fast ena b l e hi gh r e g_5 1[4 ] adc _ f a st _e n h r / w 0 adc bl o c k fas t enabl e hi gh r e g_5 1[3 ] cds_ enl r / w 0 c d s bl oc k e n a b l e l o w r e g_5 1[2 ] da c_ enl r/w 0 dac blo c k en able lo w r e g_5 1[1 ] pga_enl r / w 0 pg a bl oc k e n a b l e l o w r e g_5 1[0 ] a d c_ enl r/w 0 adc blo c k en able lo w r e g_5 2[5 : 4 ] cdsbias [ 1:0] r/w 0 cds b i as cu rren t op tion r e g_5 2[3 : 2 ] v l rst[ 1: 0] r/w 0 vlrst vo ltage lev e l op tion r e g_5 2[1 : 0 ] vdd a y[ 1: 0] r/w 0 vdda y v o ltag e lev e l op tion r e g_5 3[6 ] r e g_e nl r / w 0 r e gul at o r bl oc k e n abl e l o w r e g_5 3[5 : 4 ] r e gf as t[ 1: 0] r / w 1 r e gul at o r c u r r e nt l e vel o p t i o n r e g_5 3[3 : 2 ] v r ef lg[1 :0 ] r/w 0 refere nce volt a ge (vr t - v r b ) ra n g e optio n r e g_5 3[1 : 0 ] v d dd[1 :0 ] r/w 0 i n tern al r e g u l ated d i g ital pow er x_v ddd vo ltag e lev e l op tion r e g_5 4[7 ] t _gp 1 r/w 0 0 : c d s cl oc k = eve n pat h cl ock 1 : c d s cl oc k = o d d pat h cl o c k r e g_5 4[6 ] t _gp 2 r/w 0 0 : x _ vd d d s w i t c h on di od e co nnect fr om v d d d 1 : x _ vd d d s w itch off di o d e c o n n ect fr o m vddd r e g_5 4[5 ] extvdy_enh r/w 0 ex tern al vdda y en ab le h i gh r e g_5 4[4 ] va y n dr v_e n h r/w 0 vdda y with nmos driv e en ab le h i gh
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw r e g_5 4[3 ] extr_enh r/w 0 bias curre n t gene rated by external re sistor ena b le hi g h r e g_5 4[2 ] bgp _ enh r / w 0 b a nd ga p re fere nce e n abl e hi g h r e g_5 4[1 ] ex t2 p5v _ e nh r/w 0 ex tern al 2.5v d i g ital po wer en ab le h i gh r e g_5 4[0 ] 2p 5v ndr v _e n h r/w 0 x _ vd dd w ith n m os d r iv e en ab le h i gh r e g_5 5[0 ] sfpd r/w 0 soft ware p o w e r do wn: sen s o r co re wi ll b e po wered d o wn if it is set to 1 bu t i2 c i n terface will b e liv e. r e g_5 6[0 ] soft_rst r/w 0 soft ware reset: it is used to reset th e fu ll reg i sters to d e fau lt v a lu e. r e g_5 7[3 ] dac _ b _ sign _ abc r 0 t h e con v e r g e sig n of co lo r b w h en a bc is en a b le r e g_5 7[2 ] dac _ g 1 _sig n _ abc r 0 the c o nve r g e s i gn o f c o l o r g1 when abc is enable r e g_5 7[1 ] dac _ g 0 _sig n _ abc r 0 the c o nve r g e s i gn o f c o l o r g0 when abc is enable r e g_5 7[0 ] dac _ r_si gn _ abc r 0 t h e con v e r g e sig n of co lo r r w h en a bc is en a b le r e g_5 8[7 : 0 ] dac _ b _ ab c[ 7: 0] r 0 the c o nve r g e value of c o lor b when abc i s ena b led r e g_5 9[7 : 0 ] dac _ g 1 _ab c [7 :0 ] r 0 t h e con v e r g e v a lu e o f co lo r g1 wh en a bc is enable d r e g_6 0[7 : 0 ] dac _ g 0 _ab c [7 :0 ] r 0 t h e con v e r g e v a lu e o f co lo r g0 wh en a bc is enable d r e g_6 1[7 : 0 ] dac _ r_ abc [ 7: 0] r 0 the c o nve r g e value of c o lor r when abc i s ena b led r e g_6 2[4 : 0 ] acc1 _b _frm a v g [ 12 :8 ] r 0 the c o nve r g e value of col o r b when frame base d d i g ital calib rati o n is en ab led . r e g_6 3[7 : 0 ] acc1 _b _frm a v g [ 7: 0] r 0 the c o nve r g e value of col o r b when frame base d d i g ital calib rati o n is en ab led . r e g_6 4[4 : 0 ] acc1 _g 1 _ frm a vg [ 1 2 : 8 ] r 0 t h e c onv e r g e v a lu e o f co lo r g1 w h en fr ame b a s e d d i g ital calib rati o n is en ab led . r e g_6 5[7 : 0 ] acc1 _g 1 _ frm a vg [ 7 : 0 ] r 0 t h e c onv e r g e v a lu e o f co lo r g1 w h en fr ame b a s e d d i g ital calib rati o n is en ab led . r e g_6 6[4 : 0 ] acc1 _g 0 _ frm a vg [ 1 2 : 8 ] r 0 t h e c onv e r g e v a lu e o f co lo r g0 w h en fr ame b a s e d d i g ital calib rati o n is en ab led . r e g_6 7[7 : 0 ] acc1 _g 0 _ frm a vg [ 7 : 0 ] r 0 t h e c onv e r g e v a lu e o f co lo r g0 w h en fr ame b a s e d d i g ital calib rati o n is en ab led . r e g_6 8[4 : 0 ] a cc1_r _frma v g[1 2 : 8 ] r 0 the c o nve r g e value of col o r r when frame base d d i g ital calib rati o n is en ab led . r e g_6 9[7 : 0 ] a cc1_r _frma v g[7 : 0 ] r 0 the c o nve r g e value of col o r r when frame base d d i g ital calib rati o n is en ab led . 0 pa rt_ i d [ 1 1 : 4 ] r 1 part _i d[ 3 : 0 ] v eri d r 2 n p _i2c [3 :0 ] r / w 3 n p [ 5 :0 ] r / w 4 single_ path c m r r c r r r c f [ 1 : 0 ] r f [ 1 : 0 ] r / w 5 w c p_i n [ 1 0: 8] r/ w
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw 6 wcp_ in[7 :0] r / w 7 w c w _ in[ 1 0 : 8 ] r / w 8 w c w _ in[7 :0 ] r / w 9 w r p [ 10 :8 ] r / w 10 wrp[ 7: 0] r / w 11 w r d [ 10 :8 ] r / w 12 wrd[ 7: 0] r / w 13 c d s _ ext2_in ro w _ ave dir_ ave mono_ ave seq_ exp snap _ ena r/w 14 c o v [ 10 :8 ] r / w 15 cov [ 7: 0 ] r / w 16 m o d e _ chg_ re g r/w 17 l p f [ 13: 8] r / w 18 l p f [ 7 : 0 ] r / w 19 n y [ 1 3: 8 ] r/ w 20 ny[ 7 :0 ] r / w 21 n e [ 1 0: 8] r / w 22 ne[7 :0 ] r / w 23 f r n t _g ai n [ 1 : 0 ] gl ob al _ gai n [ 4 : 0 ] r/ w 24 d a c _ b _ sign dac _ g 1 _ sign dac _ g 0 _ sign dac _ r_ sign r/w 25 d a c_ b[7: 0] r / w 26 dac _ g 1 [7 :0 ] r / w 27 dac _ g 0 [7 :0 ] r / w 28 dac _ r[ 7: 0] r / w 29 c g _ b [3 :0] r / w 30 c g _ g 1[ 3: 0] r / w 31 c g _ g 0[ 3: 0] r / w 32 c g_r [3 :0 ] r / w 33 a c c 1 _b [ 1 0: 8] r/ w 34 acc1 _b[ 7 :0 ] r / w 35 a cc1_ g 1[ 10 :8] r / w 36 a cc1_ g 1[ 7: 0 ] r / w
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw 37 a cc1_ g 0[ 10 :8] r / w 38 a cc1_ g 0[ 7: 0 ] r / w 39 a c c 1 _ r [ 1 0: 8] r/ w 40 a cc1_r [7 :0] r / w 41 f l a g r / w 42 m o d e _ chg_ena dac _ p g_ l ag fas t _ i2 c r/w 43 sfrst_ ena shr_ ex t[1 :0 ] c o mp_ c rv [2 :0] v s y n c _p hsyn c _p r/w 44 da co r[1 : 0] o f f s et[5 :0 ] r / w 45 t h r e shol d _ 1_ by 4 r / w 46 t h r e shol d _ 2_ by 4 r / w 47 defec t _ enh abc _ enh line_ av g _ enh frm_ av g _ enh av g _ n u m _i nde x[ 1: 0 ] r/w 48 ds _ pd cd s_ pd asp _ pd path_ chg even_ path c s b e c s b o r/w 49 t e s t _ enh dqio_ enl scan _ dac scan _ col o r scan _ gl ob al pg a_ test _ enh r/w 50 sfswt_ enh of fset _e nl zd ly _ plus cds_ ze r o _ enh v ga_ ave _ enh cif_ ave _ enh r/w 51 cds_ fas t _ enh dac _ fas t _ enh pg a_ fas t _ enh adc _ fas t _ enh cds_ enl dac _ enl pg a_ enl adc _ enl r/w 52 c d s b i a s [ 1 : 0 ] vl rst [ 1 : 0 ] vdd a y[ 1: 0 ] r/ w 53 r e g_ enl r e gf as t[ 1: 0 ] v r efl g [ 1 : 0 ] vdd d [ 1 : 0 ] r/ w 54 extvdy_ enh v ayn drv _e nh extr_ enh bgp _ enh ext2p5v _e nh 2p 5v ndr v_ enh r/w 55 s f p d r / w 56 s o f t _ rst r/w 57 d a c _ b _ sign_ abc dac _ g 1 _ si gn_ abc dac _ g 0 _ si gn_ abc dac _ r_ si gn_ abc r 58 dac _ b _ ab c[ 7: 0 ] r 59 dac _ g 1 _ab c [7 :0 ] r 60 dac _ g 0 _ab c [7 :0 ] r 61 dac _ r_ abc [ 7: 0 ] r 62 a c c 1 _b _frm a v g [ 12 :8 ] r
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw 63 acc1 _b _frm a v g [ 7: 0 ] r 64 a cc1_ g 1_ frma v g [1 2: 8] r 65 acc1 _g 1 _ frm a vg [ 7 : 0 ] r 66 a cc1_ g 0_ frma v g [1 2: 8] r 67 acc1 _g 0 _ frm a vg [ 7 : 0 ] r 68 a cc1_r _frma v g[1 2 : 8 ] r 69 a cc1_r _frma v g[7 : 0 ] r
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw 4. function description 0 1 da rk da rk 1027 1028 2046 2047 b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r 0 1 2 046 2 047 dumm y b g b g b g b g b g b g b g b g b g b g b g b g dumm y g r g r g r g r g r g r g r g r g r g r g r g r 1 286 1 287 dumm y dumm y 1028 ac tive li n e s b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r b g g r 1 288x 1028 ac tive r e g i on 6 dumm y li n e s du m m y du m m y da rk da rk 1288 ac tive l i ne s 6 dumm y line s 6 du mm y line s 2 044 2 045 c o l u m n ad dre ss r o w ad d r es s da rk da rk du m m y du m m y 4.1 pixel array 4.1.1 output t i ming 1. 3m ( 1 2 8 0 x 10 2 4 ) - pi xel rea d o u t : ( w i t h 8 c o l u m n an d 4 ro w f o r c o l o r i n t e rp ol at i o n ) cf [1 :0 ] = 0 , rf [1 :0 ]=0, cm =1 , sing le_p ath = 0 , ro w_ av e= 0 , cd s_ ex t2_ i n =1 . wcp [ 10: 0] =0, wcw _ i n [ 10: 0] =12 8 7 , w r p [ 1 0: 0] =0, w r d [1 0: 0 ] =10 2 7 , )tzod y y y y y y y y qjyfmtvu y y y y mjofujnf y
%
y
qjydmlt y y y qjydmlt 1jydml@b qjyfmtpvu /pufyjoejdbuftepoudbsf19%<> %ebsl y % % % % % % % % fi g 4. 1. 1- 1 i n t e r - l i n e ti mi n g (def aul t)
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw )tzod y y y y y y y y qjyfmtvu y y y y mjofujnfdpw<> y
%
y
qjydmlt y y y dpw<> 1jydml@b qjyfmtpvu /pufyjoejdbuftepoudbsf19%<> %joejdbuftebsl y % % % % % % % % fi g 4. 1. 1- 2 i n t e r - l i n e ti mi n g (pr ogr amm a b l e) 7bmjegsbnfebub mjoft
%bsl )tzod 1jydmlt 1jydmlt 'sbnfujnf njo
mjoft
7tzod # ( # ( ( 3 ( 3 %bsl %bsl %bsl # ( # ( fi g 4. 1. 1- 3 i n t e r -fr ame ti mi ng (de f a u l t) 7bmjegsbnfebub mjoft
)tzod 1jydmlt 'sbnfujnfmqg<>mjoft 7tzod %bsl %bsl %bsl 7bmjegsbnfebub mjoft
%bsl fi g 4. 1. 1- 4 i n t e r -fr ame ti mi ng (pr o gram mabl e) 4.2 w i ndowing users are allowed to de fine window size a s well as wi nd ow l o cat i o n i n p a s0 0 5 b . w i n d o w si ze can r a nge f r om 1x 8 t o 12 8 8 x 1 0 2 8 . t h e l o c a t i on of wi nd ow can b e a n y w he re i n t h e pi xel ar ray . w i nd o w si ze and wi nd o w l o cat i on i s de fi ned by regi st er wc p_i n, wc w _ i n , w r p an d w r d: t h e wc p _ i n defi nes t h e st a r t i ng col u m n whi l e wr p defi nes t h e st ar t i ng r o w of t h e wi nd o w ; . t h e wcw _ i n defi ne t h e c o l u m n wi dt h o f t h e wi n d o w an d wr d d e fi ne t h e ro w de pt h of t h e wi n d o w .
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw xd q xsq
xse xd x fi g. 4. 2- 1 4.2.1 output timing of w i ndow i ng h a rd war e w i nd ow ing vg a(6 4 0 x 48 0) p i xels r eadou t: (with 4 co l u m n and 2 row for co lor in terpo l atio n) cf [1 :0 ] = 0 , rf [1 :0 ]=0, cm =1 , sing le_p ath = 0 , ro w_ av e= 0 , cd s_ ex t2_ i n =1 . wcp [ 10: 0] =0, wcw _ i n [ 10: 0] =64 3 , w r p [ 10 :0 ]=0,wr d[ 10 :0 ]=4 8 1 , )tzod y y y y y y y y qjyfmtvu y y y y mjofujnf y
%
y
qjydmlt y y y qjydmlt 1jydml@b qjyfmtpvu /pufyjoejdbuftepoudbsf19%<> %ebsl y % % % % % % % % fi g 4. 2. 1- 1 i n t e r - l i n e ti mi n g (def aul t) )tzod y y y y y y y y qjyfmtvu y y y y mjofujnfdpw<> y
%
y
qjydmlt y y y dpw<> 1jydml@b qjyfmtpvu /pufyjoejdbuftepoudbsf19%<> %joejdbuftebsl y % % % % % % % % fi g 4. 2. 1- 2 i n t e r - l i n e ti mi n g (pr ogr amm a b l e)
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw 7bmjegsbnfebub mjoft
%bsl )tzod 1jydmlt 1jydmlt 'sbnfujnf njo
mjoft
7tzod # ( # ( ( 3 ( 3 %bsl %bsl %bsl # ( # ( fi g 4. 2. 1- 3 i n t e r -fr ame ti mi ng (de f a u l t) 7bmjegsbnfebub mjoft
)tzod 1jydmlt 'sbnfujnfmqg<>mjoft 7tzod %bsl %bsl %bsl 7bmjegsbnfebub mjoft
%bsl fi g 4. 2. 1- 4 i n t e r -fr ame ti mi ng (pr o gram mabl e) hard ware wind owing c i f(352 x 2 8 8 ) p i x e l s read ou t: (with 4 co l u m n and 2 row for co lor in terpo l atio n) cf [1 :0 ] = 0 , rf [1 :0 ]=0, cm = 1, sing le_p ath = 0 , ro w_ av e= 0, cd s_ ex t2_ i n = 1. wcp [ 10: 0] =0, wcw _ i n [ 10: 0] =35 5 , w r p [ 10 :0 ]=0,wr d[ 10 :0 ]=2 8 9 , )tzod y y y y y y y y qjyfmtvu y y y y mjofujnf y
%
y
qjydmlt y y y qjydmlt 1jydml@b qjyfmtpvu /pufyjoejdbuftepoudbsf19%<> %ebsl y % % % % % % % % fi g 4. 2. 1- 5 i n t e r - l i n e ti mi n g (def aul t) )tzod y y y y y y y y qjyfmtvu y y y y mjofujnfdpw<> y
%
y
qjydmlt y y y dpw<> 1jydml@b qjyfmtpvu /pufyjoejdbuftepoudbsf19%<> %joejdbuftebsl y % % % % % % % % fi g 4. 2. 1- 6 i n t e r - l i n e ti mi n g (pr ogr amm a b l e)
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw 7bmjegsbnfebub mjoft
%bsl )tzod 1jydmlt 1jydmlt 'sbnfujnf njo
mjoft
7tzod # ( # ( ( 3 ( 3 %bsl %bsl %bsl # ( # ( fig 4. 2. 1- 7. in ter - fra me timi ng (de f a u lt) 7bmjegsbnfebub mjoft
)tzod 1jydmlt 'sbnfujnfmqg<>mjoft 7tzod %bsl %bsl %bsl 7bmjegsbnfebub mjoft
%bsl fi g 4. 2. 1- 8 i n t e r -fr ame ti mi ng (pr o gram mabl e) 4.2.2 y pr o g r am m i ng 80 * x d q x sq
xd x xs e dp w -1 ' ' s b n f ujn f - 1 '
- j o f u jn f fi g 4. 2. 2- 1 th e blu e cir c l e in d i cate th e max i m u m 1 2 8 8 x 10 28 active p i x e ls, red cir c le th e w i ndow of in ter e st , an d pink circle the v i rtual fram e. v i rtual fram e represents t h e fra me time and t h e size of it indicates that the fram e ti m e is th e ti me to readou t all th e p i x e ls i n t h is v i rtu a l frame. the rea d o u t ro w a n d c o l u m n i s p r o g ram m ed by wo i ( wc p, wr p, wc w , w r d ) , su b- sam p l i ng(c f , r f ) an d re ado u t directio n( rrc , r r r ) . t h e rea d o u t ro ws a n d c o lum n s are shown in th e fo llowing figu res.
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw 4.3 sub-sampling 4.3.1 sub-sampling?in color mode p a s005 b can b e pr og r a mm e d t o ou tpu t i n v g a an d cif size. in vga su b- sam p lin g m o d e , bo th v e r tical and ho ri zo nt al pi xe l s are su b-s a m p l e d at 1/ 2, wh i l e i n c i f su b- sam p l i ng m o d e , su b-sam p l e d at 1/ 4. b y p r o g ram m i n g ro w fre qu ency (r f), col u m n fr eque ncy ( c f ) an d c o l o r m ode(c m ) , p a s 0 0 5 b per f o r m s sub - s a m p l i ng. the m a xim u m su b-sam p lin g rate is 1 / 8. as sh own in fig. 4 . 3 , b y setting cm=1 , rf=01 and cf=01 , p a s00 5 b ou tpu t s in vga sub - sam p l i ng m ode. ** i n c o l o r m ode p a s0 0 5 b o u t p ut s i n b a y e r pat t e r n whi l e m ono m ode o u t put s m o n o dat a . fi g 4. 3. 1 4.3.2 sub-sampling?in mono mode p a s005 b can also b e pr og rammed to o u t pu t in v g a and ci f size in m o no m o d e . i n v g a sub - sam p lin g m o d e , bot h vert i cal and h o ri z ont al p i xel s are s u b-s a m p l e d at 1/ 2 , whi l e i n c i f s u b - sam p l i ng m ode su b- sam p led at 1/ 4 . b y pro g r am mi ng ro w fre qu ency (r f) , c o l u m n freq u ency (cf ) an d c o l o r m ode(cm ) , p a s 0 0 5 b per f o r m s sub- sam p l i ng. th e m a xim u m sub- sam p l i ng rat e i s 1/ 8. fi g 4. 3. 2
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw **w i ndowing and sub-sam p ling can be used independently . 4.3.3 sub-sampling with average--in color mode p a s005 b supp orts av erag e d a ta ou tpu t in sub - sam p lin g m o d e in co lor m o d e . in th i s m o d e , th e p a s0 05 b av erag es t h e pix e l d a ta with surrou nd ing p i x e ls t h at are with t h e sam e color . for e x am ple, in vga-s u b- sam p lin g , in wh ich bo th v e rtical an d horizon tal p i x e ls are sub - sam p l e d at 1/ 2 , t h e s u b - sa m p l e d pi xel da t a are [i,j] - = ( [i,j] + [i,j+2] + [i+2 , j ] + [ i +2 ,j +2 ] ) / 4 , whi l e i n c i f - s u b - sam p l i ng, t h e s u b-sam p l e d pi xel dat e are [i,j] - = ( [i,j] + [i,j+2] + [i,j+ 4 ] + [i,j+ 6 ] + [i +2,j] + [i+ 2 ,j+ 2 ] + [i+ 2 ,j+4] + [i+2,j+ 6 ]) / 8. $'" dp mp s np e f s g d g wh b@ bw f @ &o b 7(" $* ' sg dg fi g 4. 3. 3 4.3.4 sub-sampling with average?in mono mode p a s0 0 5 b s u p p o r t s a v era g e dat a out put i n su b - sam p l i ng m ode i n m ono m ode. i n t h i s m ode, t h e p a s 0 0 5 b av erag es t h e pix e l d a ta with surrou nd ing p i x e ls t h at are with t h e sam e color . for e x am ple, in vga-s u b- sam p lin g , in wh ich bo th v e rtical an d horizon tal p i x e ls are sub - sam p l e d at 1/ 2 , t h e s u b - sa m p l e d pi xel da t a are
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw [i,j] - = ( [i,j] + [i+1 ,j] ) / 2, whi l e i n c i f - s u b - sam p l i ng, t h e s u b-sam p l e d pi xel dat e are [i,j] - = ( [i,j] + [i,j+2] + [i+2 , j ] + [ i +2 ,j +2 ] ) / 4 , .'" .pop . pef sg d g sg d g sg d g 7( " sg d g w h b @ bw f@& o b sp x@ bwf @ & o b $*' fi g 4. 3. 4 4.3.5 output timing of sub-sampling 4.3.5.1 sub-s a mpling vga(640x480) fr om (1288 x 968 ) wind owing: (with 4 co l u m n and 2 row for co lor in terpo l atio n) cf [1 :0 ] = 1 , rf [1 :0 ]=1, su b- sam p l i n g r a te (1 /2 ,1 /2) , wcp [ 10: 0] =0, wcw _ i n [ 10: 0] =12 8 7 , c o l u m n pi xel s 6 4 4 =( 1 2 8 7 + 1 )/ 2, wr p[ 1 0 : 0 ] = 0 , w r d [ 1 0 : 0 ] = 96 3, ro w pi xel 4 84= (9 6 3 +1 )/ 2, cm =1, si ngl e _ pat h = 1 , ro w _ ave= 1, c d s _ e x t 2 _i n = 1 .
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw )tzod y y y y y y y y qjyfmtvu y y y y mjofujnf y
%
y
qjydmlt y y y qjydmlt 1jydml@b qjyfmtpvu /pufyjoejdbuftepoudbsf19%<> %ebsl y % % % % % % % % fi g 4. 3. 5. 1- 1 i n ter - l i n e ti mi ng (de f a u l t) )tzod y y y y y y y y qjyfmtvu y y y y mjofujnfdpw<> y
%
y
qjydmlt y y y dpw<> 1jydml@b qjyfmtpvu /pufyjoejdbuftepoudbsf19%<> %joejdbuftebsl y % % % % % % % % fig .4 .3 .5 .1 -2 in t e r - lin e t i min g ( p r o g r a m ma b l e) 7bmjegsbnfebub mjoft
%bsl )tzod 1jydmlt 1jydmlt 'sbnfujnf njo
mjoft
7tzod # ( # ( ( 3 ( 3 %bsl %bsl %bsl # ( # ( fi g 4. 3. 5. 1- 3 i n ter -fr ame ti mi ng (de f a u l t ) 7bmjegsbnfebub mjoft
)tzod 1jydmlt 'sbnfujnfmqg<>mjoft 7tzod %bsl %bsl %bsl 7bmjegsbnfebub mjoft
%bsl fi g 4. 3. 5. 1- 4 i n ter -fr ame ti mi ng (pr ogr a mmabl e ) 4.3.5.2. sub- sampling qvga(318x240) fr om (1288 x 968 ) wi ndowing: (with 4 co l u m n and 2 row for co lor in terpo l atio n) cf[ 1 : 0 ] = 2, r f [ 1 : 0 ] = 2 , s u b - sa m p li ng rat e ( 1 / 4 , 1 / 4 ),cm =1, s i ngl e_ pat h = 1, r o w _ a v e= 1, c d s_e x t 2_i n =1. wcp [ 10: 0] =0, wcw _ i n [ 10: 0] =12 8 7 , c o l u m n pi xel s 3 2 2 =( 1 2 8 7 + 1 )/ 4, wr p[ 1 0 : 0 ] = 0 , w r d [ 1 0 : 0 ] = 96 7, ro w pi xel 2 42= (9 6 7 +1 )/ 4,
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw )tzod y y y y y y y y qjyfmtvu y y y y mjofujnf y
%
y
qjydmlt y y y qjydmlt 1jydml@b qjyfmtpvu /pufyjoejdbuftepoudbsf19%<> %ebsl y % % % % % % % % fig .4 .3 .5 .2 -1 . in t e r - lin e t i min g ( d ef au lt ) )tzod y y y y y y y y qjyfmtvu y y y y mjofujnfdpw<> y
%
y
qjydmlt y y y dpw<> 1jydml@b qjyfmtpvu /pufyjoejdbuftepoudbsf19%<> %joejdbuftebsl y % % % % % % % % fi g 4. 3. 5. 2- 2 i n ter - l i n e ti mi ng (pr o gram mabl e) 7bmjegsbnfebub mjoft
%bsl )tzod 1jydmlt 1jydmlt 'sbnfujnf njo
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7tzod # ( # ( ( 3 ( 3 %bsl %bsl %bsl # ( # ( fi g 4. 3. 5. 2- 3 i n ter -fr ame ti mi ng (de f a u l t ) 7bmjegsbnfebub mjoft
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%bsl fig .4 .3 .5 .2 -4 in t e r - f r a me t i min g ( p r o g r amma b l e) 4.4 snapsh o t mode t y p i cally , th e sn ap sho t m o d e m u st w o r k w i th th e aid of an ex tern al m e c h n i cal shu tter . p a s005 su ppor t two t y pes o f s n a p s hot m ode t o fi t t h e di f f e r e n t e x p o s u re t i m e reque st . snapsh o t mod e 1 : regi st er se q_e x p =1 wh en t h e ex po sure tim e is l o ng er th an t h e m ech an ical sh u tter sp eed li mita tio n , sn apsh o t m o d e 1 is cho s en. the e x p o s u re peri od i s n o w cont rol l e d by t h e m echani s m s of sh ut t e r o p e ni n g a nd cl os e as sh o w n i n fi g. 4 . th e m ech an ical sh u tter can b e trig g e r b y th e clo c k ed g e o f o u t p u t sign al vsyn c an d all p i x e ls will b e ex po su re
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw conc u rre nt l y . the s hut t e r cl osi n g ed ge m u st be earl i e r t h an t h e v s y n c edge by p r o g r a m m i ng p r o p e r re gi st er v a lu e lpf (li n e-p e r - fram e). th e sug g e sted settin g of ny (n e) in t h is m o d e is 0 to g u a ran t ee simu ltan e ou s exp o s u re i n t h e sh ut t e r ope ni n g peri od . ho w e ver , di f f er ent set t i ng i s acc pt abl e de pe nd o n ap pl i cat i on. snapsh o t mod e 2 : regi st er se q_e x p =0 wh en th e expo sure ti m e is less th an th e mech an ical shu tter sp eed lim i t atio n , sn ap sho t m o d e 2 is ch osen . th e exp o s u re pe ri o d i s n o w c ont r o l l e d by ex po s u re st a r t p o i n t and sh ut t e r cl o s i ng e d ge as s h o w n i n fi g. 5. t h e ex po su re starti n g po in t is setted b y reg i ster n y an d n e , an d th e sen s or array will b e started t o exp o s ure sim u l t a neousl y . agai n, t h e s h ut t e r cl osi n g e dge m u st be ea rl i e r t h a n t h e v s y n c e dge . al l t h ese t w o s n ap sh ot m odes can be e x t e r n a l t r i gge red by p i n ?sy n c? as s h ow n i n fi g. 4. 4 - 1 an d 4. 4- 2. mechanical shutter o p enin g p erio d non - v a lid data vsync active exposure tim e start point end point v a lid data ar ray leakage ar ray leakage mechanical shutte r ny=0, ne=0 im age exposure and readout tim in g vsync extension p ro g ramm ed b y lpf external sync fi g. 4. 4- 1 sn a p sho t m o de o n e ? e x pos u r e ti me c o n t r o l l ed b y sh ut ter .
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw mechanical shutter o p enin g p erio d vsync non - v a lid data v a lid data ar ray leakage array reset start point active exposure tim e end point mechanical shutte r exposure start point p ro g ramm ed b y n y , ne im age exposure and readout tim in g vsync extension p ro g ramm ed b y lpf external sync fi g. 4. 4- 2 sn a p sho t m o de t w o ? e x p o s u r e ti me sm al l e r th an shu tter s p eed l i m i t a t i o n. 4.5 external synchr oniz ation contr o l th e sensor core ti m i n g can be reset b y ex tern al ?syn c? p i n . th e i n ternal coun ter will st art fro m in itial po in t at th e rising edge of trigg e r si g n a l ?syn c?. mean wh ile, vsyn c sign al is reset to zero . w a iting th e comin g of vsyn c pu lse, a v a lid fram e will b e o u t p u t after th e pu ls e with th e programmed n y , n e an d g a in cod e , as sho w n in figs. 4 . 4 - 1 an d 4.4-2 . 4.6 fram e rate fram e rate = line t lpf _ ) 2 1 ( 1 ? + +
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw 7(" b w f s b h f
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pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw writing t h e registers fo llowed b y setting ?fl a g ? reg i ster to 1. reg i sters 4 ~ 15 are so me critical reg i st ers t h at i n fl ue nt t h e se nso r cel l array . if t h e rea d out pi xel s aare c h a nge d, regi st er 16 (m ode_c h g _ r eg ) sh o u l d be set t o 1 to reset th e fu l l array . so th e p r og ramm in g sequ en ce is writin g th e reg i st ers, set m o d e _ch g , th an set flag . if m o d e _ c hg _ e n a reg i ster is 1, th ese reg i sters will b e p r o t ected un ch ang e d till settin g m o d e _ c hg fo ll o w ed b y settin g flag . 4.7 exposur e pr ogram m i ng the exposure t i m e calculation of p a s005 is based on the following sequence: 1. system clk 2. pxclk 3. fram e rate 4. exposure tim e 5. equivalent exposure line and pixel num b er 6. register (ny)of fset_ny ,(ne) of fset_ne for a given sysclk, pxclk and ex-tim e: np = sysclk / pxclk. th e exp o sure t i m e calcu lati o n of p a s005 i s b a sed on th e fo llowing reg i ster: regis t e r r e g i s t e r r/w def a ult (decim a l) descripti o n r e g_3 [5 :0] np[ 5 :0 ] r/w 2 pi xel rat e = f r e que ncy of i _ sy scl k / np pro g r am m i ng r a nge o f n p : 1~ 63 r e g_4 [7 ] sing le_pat h r/w 0 a n al o g sign al p r o cessi n g sing le or do ub le path 0: d o ubl e pat h , 1: si ngl e pat h r e g_4 [6 ] cm r/w 1 c o l o r m ode or m o n o m ode( u se d onl y i n su b - sam p l i ng m ode) 0: m o n o m ode, 1: c o l o r m ode r e g_4 [3 :2] cf [1 :0 ] r/w 0 colum n fre que n cy 00 : no rm al read ou t with ou t su b-sam p lin g , 01 : 1/ 2 s u b - sa m p li ng 10 : 1/ 4 s u b - sa m p li ng, 11 : 1/ 8 s u b - sa m p li ng r e g_4 [1 :0] rf [1 :0 ] r/w 0 ro w fre q u ency 00 : no rm al read ou t with ou t su b-sam p lin g , 01 : 1/ 2 s u b - sa m p li ng 10 : 1/ 4 s u b - sa m p li ng, 11 : 1/ 8 s u b - sa m p li ng r e g_5 [2 :0] w c p_i n [ 1 0: 8] r / w 0 w i n d o w c o l u m n poi nt e r r e g_6 [7 :0] wcp_ in[7 :0] r / w 0 w i n d o w c o l u m n poi nt e r r e g_7 [2 :0] wcw_ in[ 1 0 : 8] r/w 1 287 w i nd ow co lu m n w i d t h r e g_8 [7 :0] w c w _ in[7 :0 ] r/w 1 287 w i nd ow co lu m n w i d t h r e g_9 [2 :0] wrp[ 10 :8 ] r/w 0 w i nd ow r o w po in ter
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw r e g_1 0[7 : 0 ] wrp[ 7: 0] r/w 0 w i nd ow r o w po in ter reg _ 1 1[ 2: 0] wrd r/w 1 027 w i nd ow r o w dep t h r e g_1 2[7 : 0 ] wrd r/w 1 027 w i nd ow r o w dep t h r e g_1 3[5 ] cd s_e x t 2 _in r/w 0 c d s t i m i ng e x t e nsi on t o 2 t i m e s of no r m al c d s t i m i ng fo r 48 m pi xel rat e r e g_1 3[4 ] r o w _ ave r/w 0 r o w av e r ag e for row su b- s a mp lin g r e g_1 3[0 ] s n a p _ ena r/w 0 r e g_1 4[2 : 0 ] c o v [ 10 :8 ] r/w 0 colum n overhe ad: us ed to i n crease line tim e r e g_1 5[7 : 0 ] c o v [ 7: 0] r/w 0 colum n overhe ad: us ed to i n crease line tim e r e g_1 7[5 : 0 ] lpf[ 13: 8] r/w 1 027 lin e p e r fram e : to tal fram e ti me = (lpf+1)+2 lin es r e g_1 8[7 : 0 ] lpf[7:0] r/w 1 027 lin e p e r fram e : to tal fram e ti me = (lpf+1)+2 lin es r e g_1 9[5 : 0 ] ny[ 1 3: 8] r/w 0 exp o s ure tim e start po in t o f fset in lin e reso lu tio n r e g_2 0[7 : 0 ] ny[ 7 :0 ] r/w 0 exp o s ure tim e start po in t o f fset in lin e reso lu tio n r e g_2 1[5 : 0 ] ne[1 3: 8] r/w 0 exp o s ure tim e start po in t o f fset in p i x e l resolu tio n r e g_2 2[7 : 0 ] ne[7 :0 ] r/w 0 exp o s ure tim e start po in t o f fset in p i x e l resolu tio n example_1: mega exposur e time setting
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw when system clock 48m hz pxclk 24m hz exposure tim e 8/120 sec please keep l_p_f = 1027 and calculate ny = ? and ne = ? , application system _clk np pixel_clk(mhz) 2 24 power frequency ex_tim e (x/120) ); 8 l_p_f cov fra m e_rate<10 1027 register setting cm row_averag e cdsx2 single_path 1 wcw wr d cf rf key in register l_p_f ny ne t_lin e 1027 &yqptvsf5jn\< -1'
/ z >u@mjof/ f ^1ydml 2. t_line = (active_ line_pixel + t_nov + 12) = 1300 + 480 + 12 = 1780 pxclk t_nov = 480 + cov pxclk 3. ny = int[(l_p_f+3) - (( ex _t im e * pxclk ) / t_ line ) ] 131 = int [(1027+3 ) - (( 8/120 * 24 m ) / 1780 )] 4.ne = res[(l_p_f + 3) - (( ex_t im e * pixe l_ clk ) / t_line )] * active_ line_p i xel 159 = res[(1027 +3) - (( 8/120 *24 m ) / 1780 )] * 1300 line t lpf _ ) 2 1 ( 1 ? = 1/(1027+3)* 1780 = 13 (per/sec) 5. fram e rate =
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw example_2: vga exposur e time setting when system clock 48m hz pxclk 16m hz exposure tim e 4/120 sec please keep l_p_f = 483 and calculate ny = ? and ne = ? , a pplication system _clk n p p i x e l _ c l k power frequency ex_tim e (x/120) ); 4 l_p_f c_nov fra m e_rate<30 483 register setting cm row_averag e cdsx2 single_path 1 wc w wr d cf rf key in register l_p_f ny ne t_lin e 483 &yqptvsf5jn\< -1'
/ z >u@mjof/ f ^1ydml 2. t_line = (activ e_line_pixel + t _nov + 12) = 644 + 480 + 12 = 1 136 pxclk t_nov = 480 + cov pxclk 3. n y = in t[(l_p_f+3) - (( ex _t im e * pxclk ) / t_ line ) ] 16 = int [(483+3 ) - (( 4 /120 * 16 m ) / 1 136 )] 4.ne = res[(l_p_f + 3) - (( ex_t im e * pi xel_ clk ) / t_line )] * active_ line_p i xel 332 = res[( 483 + 3 ) - (( 4/120 * 16 m ) / 1 136 )] * 644 line t lpf _ ) 2 1 ( 1 ? = 1/(483+3)* 1 136 = 29 5. fram e rate =
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw example_3: qvga exposur e time setting when system clock 48m hz pxclk 12m hz exposure tim e 2/120 sec please keep l_p_f = 241 and calculate ny = ? and ne = ? , a pplication system _clk n p p i x e l _ c l k power frequency ex_tim e (x/120) ); 2 l_p_f c_nov fra m e_rate<60 241 register setting cm row_averag e cdsx2 single_path 1 wc w wr d cf rf key in register l_p_f ny ne t_lin e 241 &yqptvsf5jn\< -1'
/ z >u@mjof/ f ^1ydml 2. t_line = (activ e_line_pixel + t _nov + 12) = 322 + 486 + 12 = 820 pxclk t_nov = 480 +cov pxclk = 486 pxclk 3. n y = in t[(l_p_f+3) - (( ex _t im e * pxclk ) / t_ line ) ] 0 = int [(241 + 3 ) - (( 2/120 * 12 m ) / 820 )] 4.ne = res[(l_p_f + 3) - (( ex_t im e * pi xel_ clk ) / t_line )] * active_ line_p i xel 31 = res[(241 +3) - (( 2/120 *12 m ) / 820 )] * 322 line t lpf _ ) 2 1 ( 1 ? = 1/(241+3)* 820 = 60 5. fram e rate =
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw example_4: sunlight mode exposur e time setting mega setting when system clock 48m hz pxclk 12m hz exposure tim e < one line pxclk (sec) please keep l_p_f = 1027 and calculate ny = ? and ne = ? , a pplication system _clk np pixel_clk(mhz) 4 12 power frequency ex_tim e (x/120) ); x_t l_p_f cov 1027 register setting cm row_averag e cdsx2 single_path 1 wc w wr d cf rf key in register l_p_f ny ne<1300 t_lin e 1027 9@/f &yqptvsf5jn 9@u
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line t lpf _ ) 2 1 ( 1 ? = 1 / (1027+3) * 1780 = 13 2. fram e rate =
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw 4.8 dac & pga lagging %" $ 1 (" mbh pof gsbnf 7tzo d oz of %" $ (h $ h vq ebu f o f x oz o f pqfsb u f of x %"$ (h $ h pqf sbu f norm ally the readout of current frame will be e xposed in the re adout of the previous fra me. t o easily pro g ram the sensor , one can sen d exposure re gi sters(ny , ne), dac and ga in registers(gg, cg) followed by s e tting t h e ?flag? register , the new update d dac, gg, cg will operate 1 fram e after new updated n y , n e automatically b y progra mming the ?dac_pg_lag? register . 4.9 pow e r down mb t u s px -1' /fx g s bn f %l mbt u s p x s fbepv u fyq@g s bnf@stu sfh@ vqe oz@fob@dm l oz @dml m b t u s p x tobq $podvss f ou f yqpt vsf oz m b t u @ sp x _ -1' 4 f rvfou j b m fyqptvs f o z _ - 1 ' $%41pxfs epxo "4 1 1 p xfs epxo /p w sp x @ b e e s pow e r do wn is classif i ed as dsc_ pd , cds_p d and asp_ pd . dsc_pd is t o disab l e th e d i g i t a l ti m i n g ( co lum n ad d r ess, c d s tim in g ) in red und an t ro ws. cds_pd p u lls t_ cd s_enl to 1 in redu nd an t rows. asp _ pd is to c l ose dac, p g a, a n d adc in re du n d ant ro w s .
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw 4.10 reset management there are fi ve kinds of reset: ?pu? , ?cs b?, ?s fpd?, ?sfrst?, ? s yn c?. ?pu ? is t h e m o st strong reset. it reset fu ll ch ip. ?csb ? reset th e fu ll ch ip , bu t retain th e reg i st er settin g. ?sfpd ? reset th e senso r core, bu t i2c in terface is liv e. ?sfrst? is an reg i ster si g n a l. ev ery tim e it is p r og ramm ed to ?1 ?, all th e i2c reg i sters are reset. after th at, it will b e reset to zero. ?syn c? reset t h e sen s o r core ti min g . t o avo i d th e recov e ri ng tim e p r ob lem, clo c k o s cillati n g is d e sign ed to start a little ti m e a f ter ?p u ? , ?csb? and ?sfpd ? reset is released. * $ d p o u sp m t gst u *$ 3fhj t u f s t %j hj ub m $ p sf $4 # 16 tg q e 4zod m fw fm t j h ob m
" # % "ob m ph 1spd f ttjo h $mpd l 3ft f u * $@ t b n 1 6 $4 # dl qyd l 16 $4# t gqe 3f t f u $ " ] tgqe
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw 5. i 2 c b u s p a s0 0 5 b s u p p o rt s i 2 c - bus t r ansfe r p r ot ocol an d i s act i n g as sl ave de vi ce . t h e 7 bi t s un i que sl ave ad d r ess i s 1000000 a n d s u pports receivi ng / tr a n sm itting s p ee d up to 400khz. 5.1 i2c bus overview ? on ly two wires sda (serial data) and scl (serial clo c k) ca rry inform ation bet w een t h e devices c o nnec t ed t o t h e i 2 c b u s. no rm al ly bot h s d a a n d sc l l i n es are ope n col l ect o r st r u ct ure a nd p u l l hi g h by e x t e r n al pull-up re sistors. ? on ly th e m a ste r can in itiates a tran sfer (start), g e n e rates clock si g n a ls, and term in ates a tran sfer (stop ) . ? s t art and st op con d ition : a h i gh to low tran sitio n of t h e sda lin e while scl is h i gh d e fi n e s a start co nd itio n. a lo w to h i g h tran sitio n of t h e sda lin e wh il e scl is h i gh d e fi n e s a stop co nd itio n. please refe r to fig 5 . 1 . ? v a lid d a ta: the d a ta on th e sda lin e m u st b e stab le du ring t h e h i gh p e ri o d o f th e scl clo c k . w i t h in each by te, m s b is alway s trans f e rre d fi rs t. read /write co n t ro l b it is th e lsb o f t h e first b y te. please refer to fi g 5. 2. ? both t h e m a ste r a n d slave ca n transm it and receive data from the bus. ? acknowle dge: the recei ving device s h ould pull down the sda line duri ng high pe riod of the sc l cl ock line whe n a c o m p lete byte was tra n s f erre d by tra n sm i tter . in t h e case of a m a ster received data from a slave, the m a ster does not ge nerate a n acknowle dgm en t on th e last b y te to in dicate the end of a m a ster read cycle. 4 4ubsu $poejujpo 4%" 4$- 1 4upq $poejujpo fig 5.1 s t art and s t op co nditions
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw fig 5.2 v a lid data 5.2 data t r ansfer form a t 5.2.1 master transmits da ta to slave (w rite cycle) ? s : s t art ? a : ac knowledge by slave ? p : s t op ? rw : t h e l s b o f 1 st by t e t o deci de w h et he r cu rre nt cycle is rea d or write cycle. r w = 1 read cycle, r w =0 write cycle. ? suba d d res s : t h e a d dress value s of p a s 0 05b i n ternal cont rol registe r s (please refe r to p a s 0 0 5 b regi ster de scripti o n ) s slave id (7 bit) rw a subaddress (8 bit) a data p a 1st byte 2nd byte n bytes + a msb lsb=0 a data data stable data change allowed sda scl during write cycle, the m a st er ge nera tes st art condition a nd t h en places the 1 st byte data that are com b ined slav e add r ess (7 b its) wit h a read /write con t ro l b it to sda lin e. after sl ave(p a s005b) is sues acknowle dgm ent, the m a ster places 2 nd by t e ( s ub -a dd ress ) da t a on s d a l i n e. a g ai n f o l l o w t h e p a s 0 05 b ack no wl ed g m ent , t h e master places the 8 bits data on sda line a nd t r ansm it to p a s005b cont rol re gister (address was a ssigne d by 2 nd b y te). after p a s0 05 b issue ackno wled gmen t, th e m a ster can g e n e rate a stop cond itio n to end of this write cycle. in the c o ndition of multi-byte write, the p a s005 b sub-a d dress i s autom a ti call y increm ent after each da t a b y te tran sferred . th e d a ta and a cy cles is rep eat u n til last b y te write. ev ery co n t ro l reg i sters v a lu e in sid e p a s005b can b e p r og ra mmin g v i a th i s w a y . ( p lease r e f e r to fig 5.3.)
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw ? n o te t h er e is no ack now ledgmen t f r om m a s t er after last by te read du ri ng read cycle, th e master g e n e rates start co nd ition and th en p l ace th e 1 st byte data that are com b ined fig 5.3 data t r ansfer form at 5. 2. 2 sl ave tr a n smi t s da ta to mas t er (r ead cycle) ? the s u b-a d dres s was take n from previous wri t e cycle ? th e sub - add r ess is au t o m a tica lly increm ent a f ter eac h byte read ? am : ack n o w l e dge by m a st er slav e add r ess (7 b its) with a read /write co n t ro l b it to sda lin e. after issue ack now ledgmen t, 8 b its da t a was al so pl ace d o n sd a l i n e by p a s0 0 5 b . t h e 8 bi t dat a wa s read from p a s005b internal control re gister that address was as signe d by pre v ious write cycle. follow th e master acknowledgm ent, the p a s0 0 5 b pl ac e t h e next 8 b its d a ta (address is in crem e n t au t o m a tica l l y ) on sda line and th en t r ansmit to m a ster serially . th e da t a and am cycles is r e p eat un til th e last b y te read . after last b y te read, am is n o lo ng er g e n e rat e d b y m a ster bu t in stead b y k e ep sda lin e h i gh . th e slav e (p as005 b) m u st releas es sda lin e t o m a ster to g e n e rate st op co nd itio n. (please refe r to fig 5. 3. ) s slave address (7 bits) rw a data (8 bit) am data 1 p 1st byte 2nd byte n byte no ack in last byte am data 4%" 4$- 4 4ubsu $poejujpo 1 4upq $poejujpo "$, gspn 3fdfjwfs %bub "$, gspn 3fdfjwfs %bub "$, gspn 3fdfjwfs 38 "eesftt
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw 5.3 i2c bus t i ming 4%" 4$- u g u )%45" u -08 u s u )%%"5 u )*() u 46%"5 u g u 4645" u )%45" u 41 u 46450 u #6' u s 14 4 s 4 fig 5.4 i2c bus t i ming 5.4 i2c bus t i ming spec i fication st an dar d-m o d e p a ra mete r symbol min . m a x . unit scl cloc k fre quency f scl 1 0 4 0 0 k h z ho l d tim e (repeated ) st ar t co nd itio n. aft e r t h i s peri o d , t h e fi rst cl oc k pul se i s ge ne rat e d. t hd:s t a 4 . 0 - u s low p e r i od of th e scl clo c k t low 4 . 7 - u s hi gh pe ri o d o f t h e sc l cl oc k t high 0 . 7 5 - u s set-up tim e for a re peated st ar t c o ndition t su;st a 4 . 7 - u s data ho ld tim e . fo r i2 c-b u s dev i ce t hd;da t 0 3 . 4 5 u s data set-u p time t su;da t 2 5 0 - n s rise ti m e o f both sd a an d sc l sign als t r 3 0 n . d . ns(note1) fall ti m e o f both sd a an d sc l sign als t f 3 0 n . d . ns(note1) set-up tim e fo r st op con d itio n t su;st o 4 . 0 - u s bus free tim e between a st op a n d st ar t t buf 4 . 7 - u s cap acitiv e lo ad for each b u s lin e c b 1 1 5 p f n oise m a r g in at low le vel for each c o nnecte d devi ce (i ncl udi ng hy st ere s i s ) v nl 0 . 1 v dd - v n oise m a r g in at hi gh level for eac h c o n n e c t e d devi ce (i ncl udi ng hy st ere s i s ) v nh 0 . 2 v dd - v not e : it de pe n d s on t h e "hi g h " pe ri o d t i m e of sc l .
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw 6. specifica tions abs o lute maximum rati ngs s y m b o l p a r a m e t e r m i n m a x u n i t vd d dc su pp ly vo ltag e -0 . 5 3 . 8 v v i n dc i n p u t v o l t a ge 0. 5 vd d+ 0. 5 v v out dc o u t put v o l t a ge -0 . 5 v d d+ 0. 5 v t s t g s t ora g e tem p e r a t u r e t b d t b d
dc electrical charac teristic s ( v d d = 3 . 0 v 2 0 %, t a =1 0 c ~ 40c ) s y m b o l p a r a m e t e r m i n . t y p . ma x. unit t y pe :p wr vd d anal og an d di gi t a l ope rat i n g vol t a ge 2. 4 3. 0 3. 6 v i d d o p erating curren t 8 m a i s tb y s t an db y cu rr e n t 1 0 0 u a t y pe :i n & i/ o re set an d s y s c lk vi h i n p u t v o ltage hi g h 2. 0 vd d v v i l i n p u t v o l t a ge lo w 0 0. 8 v c i n i n p u t c a p a c i t o r 1 0 p f ilkg input leaka g e c u rrent tbd ua t y pe : out & i/o for p xd0 :7 , p x c k , h/vs yn c & sd a, l o a d 10 p f , 1. 2k ? , 3 . 0vo lt s vo h o u t put v o ltage hi g h vd d- 0. 2 v v o l o u t put v o l t a ge lo w 0. 2 v a c operat ing co ndit i o n s y m b o l p a r a m e t e r m i n . t y p . ma x. unit sysc l k m a st er cl oc k f r e que ncy 4. 5 48 m h z pxc k pi xel cl oc k o u t put fre q u ency 1. 5 m h z sensor char acteristics par a meter symb ol t y p . u n i t n o te ph ot o res p o n se n o n - uni f o rm ity pr n u 1 . 4 0 % satu ration ou tpu t vo ltag e sat . 6 9 6 level dark ou tpu t voltag e vda r k 1 7 level / s e c dar k si gnal n o n - u ni fo rm i t y ds n u 1 . 8 7 level fix e d pattern no ise f p n 7 . 0 5 level sig n a l t o no ise ratio snr 4 2 db dy nam i c range dr 4 8 db
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw 7 . package information 7.1. pin con n ection diagram nc v dda v ssa x_ v r e f ex tr es p ex tr es n vs sx i_ px o n x _ v ddd v dda vss_esd v ssd v ddd csb vs yn c nc sy n c px c l k hs y n c sy sc l k px8 px1 sda scl v ddd v ssd vs say x _ v dda y 29 28 27 26 25 24 23 22 21 20 19 6 5 4 3 2 1 48 47 46 45 44 43 30 31 32 33 34 35 36 37 38 39 40 41 42 18 17 16 15 14 13 12 11 10 9 8 7 x_ v c m x_ v c m x_ v r t x_ v r b vdd x vs sx i_ px ip i_ p x in i_ px o p v l r s t px9 px7 px6 px5 vss q vd dq px4 px3 px 2 px0 -- t o p v i ew --
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw 7.2. packag e outline 14 8 6 7 30 19 42 31 43 11. 18 1.0 2 1. 58 0. 19 0. 08 0. 13 1 48 30 19 -- b o ttom v i e w -- 1. 06 0. 15 7 18 43 6 42 31 -- t o p v i e w -- ( a ll d i m e ns i ons ar e in m ill im et er s ) typ . typ. ref ref r0 . 1 9 48 p l c s -- s i de v i e w -- 14 .2 2sq 0. 30 0. 13 1. 02 0. 2 0. 0 5 0. 51 0. 0 5 0. 64 0. 0 5 0. 51 0. 55 0. 0 5 pi n no .1 inde x 0.5 1 0. 08 typ. 2. 16 0. 25 re f 30
pixart imag ing inc. p a s005b cmos image sensor ic al l righ ts st ri ct l y res e rv ed an y p o r ti on in thi s p a p e r sh al l no t be r e pr od uce d , c o p i e d o r tra n sf orm e d to a n y ot her f o rm s w ith ou t p e r m i s s i on . pi xar t im a g i n g i n c. e -ma il: fae _ se rvice@ pix a rt.c om .tw PAS005B sensor board a1 pas005-sensorboard.dsn b 11 wednesday, may 22, 2002 title size document number rev date: sheet 8. refer e ncing application cir c uit of vddd vdday vdda vddd vdday vddd vdda vddd pxclk hsync vsync px0 px4 px7 px2 csb sda px5 sysclk px6 px8 px9 px3 px1 scl px6 px8 pxclk hsync csb px5 csb px9 scl px1 vsync px4 sysclk px7 sda px2 px3 px0 jp1 jumper 1 2 c10 0.1uf c11 0.1uf jp1 header 11x2 12 34 56 78 91 0 11 12 13 14 15 16 17 18 19 20 21 22 c1 10uf c12 10uf led1 led r1 1.5k c14 0.1uf c7 0.1uf c4 0.1uf r2 27k c13 0.1uf c9 0.1uf c16 0.1uf l1 fb c15 0.1uf c5 0.1uf c6 10uf l2 fb c3 0.1uf c2 0.1uf r3 300k r4 300k l3 fb l4 fb 1 2 r5 300k c17 1uf r7 4.7k r8 4.7k PAS005B u1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 csb vddd vssd vss_esd vdda x_vddd vl rst i _ pxon i _ pxop i _ pxi n i _ pxi p vssx vddx x_ vrb x_ vrt x_ vcm vssx x_ vcm extresn extresp x_vref vssa vdda nc x_vdday vssay vssd vddd scl sda px0 px1 px2 px3 px4 vddq vssq px5 px6 px7 px8 px9 sysclk hsync pxclk sync nc vsync csb_sw

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