document controlled ?? : ?} : PAC7010 lu specification s pec . : 01 page 1 of 5 Y ? ? , ? S ? } ? D ? ? . this specification is the property of pixart and shall not be reproduced, copied or transformed to any other forms without permiss ion. 1 general description: this mot is a motion tracing asic with high quality cmos image sensor, dsp and uart protocol . the sensor can track object smartly with sub - pixel accuracy and outpu t the object features including center coordinate, object size, object border, object shape, object vector, object aspect ratio, object label, object brightness sum, object movement etc . these object features can be transferred to external pr ocessor throu gh uart interface. mot performs gain and exposure setting and can be programmed by setting internal registers via uart. by program ming these internal register sets, we can change the function in cis, dsp and uart, such as frame rate, exposure control , object center resolution, and uart speed etc. 2 features: ? sensor color type: black and white ? pixel size: 11um * 11um ? optical format : 1/1 0 ? pixel depth: 8 bits ? number of array elements: 128*96 ? s/n ratio: 40db @940nm, gain= 3.25x ? sensitivity: 3364 uw*sec/cm^2 @940nm, gain= 3.25x ? programmable object center coordinate resolution: up to 1024*768 ? scan mode: progressive ? programmable exposure - gain contro l ? ae(auto exposure): semi - auto - ae, automatic - ae ? system clock: 16mhz~40mhz (external clock) ? interface: uart ? progra mmable uart baud rate , baud rate up to 5 mbps ? early rejection mode ? object number: up to 8 ? programmable frame rate control: 10fps~200fps under enough luminance ? object features: object center coordinate, object size, object brightness sum, object movement (ac tive in nearest distance mode), object shape, object boundary, object label, object vector, object aspect ratio etc ? object tracking mode: no assignment mode, nearest distance mode ? t hree modes for power management ? fast mode ( 200 fps ) : current consumption typical 15 ma, (maximum 20ma) @27mhz @ddmain=3.6v
document controlled ?? : ?} : PAC7010 lu specification s pec . : 01 page 2 of 5 Y ? ? , ? S ? } ? D ? ? . this specification is the property of pixart and shall not be reproduced, copied or transformed to any other forms without permiss ion. ? skip mode ( 100 fps is 1 skip p ed ) current consumption typical 10ma, (maximum 13ma) @27mhz @vddmain=3.6v ? power down : t ypical 2 0ua, max. 6 0 a ( wake up by uart ) @27mhz @vddmain= 2.8 v current consumption est imate for operating at 16mhz @vddmain=3.6v : power management mode frame rate (fps) current consumption (ma) fast mode 120 fps 10.7ma skip mode 60 fps (skip 1 frame) 7.9ma skip mode : user can set how many frame data to ignore to save power based on fas t mode frame rate. however, vsync signal is keeping ouput based on the fast mode frame rate. for example, when user set skip n frames, the current consumption will become: ((10.5*x/27 + 4.5) + (1*x/27 + 4.5)*n)/(1+n) . and sensor will output 1st frame data, then skip n frame data w/o data output. w here n= skip frame number; x = system clock (mhz) ? power supply and io voltage ? (main power voltage, io voltage)=( 2 .0 v ~ 3. 6 v) ? package: csp
document controlled ?? : ?} : PAC7010 lu specification s pec . : 01 page 3 of 5 Y ? ? , ? S ? } ? D ? ? . this specification is the property of pixart and shall not be reproduced, copied or transformed to any other forms without permiss ion. 3 ball description : ? 1 4 - balls c sp ball no. name type definition a1 rstn in res et pin, low active a3 atpg in test mode select; active high a4 vdday in internal voltage reference b1 clken out control external oscillator enable pin; if high ? clk input b2 rxd in rxd for uart b3 vdda18v pwr regulator output for analog power b4 vssa gnd analog ground c1 vsync out sensor vsync c2 omdo/gpo out reg_0x28 bit[7]: if reg_0x28 bit0=1; bit7=0 ? output low, bit7=1 ? output high reg_0x28 bit[0] defined omdo/gpo pin as: 0: omdo output ? object motion detect output pin. 1: gpo ? generation purpose output (defined by reg_0x28 bit [4:0] ) c 3 vddmain pwr 2.0v ~ 3.6v external provide for pac 7010 r egulator power c4 vddd18v pwr regulator output for digital power d1 vssd gnd digital ground d3 txd out txd for uart d4 clk in oscillator input for system c lock,
document controlled ?? : ?} : PAC7010 lu specification s pec . : 01 page 4 of 5 Y ? ? , ? S ? } ? D ? ? . this specification is the property of pixart and shall not be reproduced, copied or transformed to any other forms without permiss ion. 4 sensor array format (coordinates 0,0 in upper left of array ) 1 2 8 ( h ) x 9 6 ( v ) a c t i v e p i x e l ( 1 2 8 , 9 6 ) ( 0 , 0 ) r o w a d d r e s s c o l u m n a d d r e s s ( 0 , 9 6 ) ( 1 2 8 , 0 )
document controlled ?? : ?} : PAC7010 lu specification s pec . : 01 page 5 of 5 Y ? ? , ? S ? } ? D ? ? . this specification is the property of pixart and shall not be reproduced, copied or transformed to any other forms without permiss ion. 5 uart interface: 5.1 baud r ate contro l baud rate (bps) = sysclk/reg_div, which reg_div is a 1 2 bits div ider . default baud rate i s 19200bps @27mhz sys tem cl oc k. maximum baud rate = 5mbps the m inimum bit rate is limited by the formula, object data count * object number * frame rate * 12 bps. 5.2 uart timing diagram: ? start bit: 1 bit ? stop bit: 1 bit ? data: 8 bit ? non use parity bit note: host write registers by uart command . the interval timing between byte to next byte must be wait two bits. ? wait 2 bits ? m c u p a c 7 0 1 0 t x d r x d c l o c k ( 1 6 m ~ 4 0 m h z ) d 0 d 1 d 2 d 3 d 4 d 5 d 6 d 7 s t a r t b i t s t o p b i t d a t a ( 8 b i t )
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