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silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 1 1-memory/2-memory tone/pulse dialer description the sc9302 series tone/pulse dialers are cmos lsis for the telecommunication system. they are designed to meet various dialing specifications through resistor options matrix. the sc9302 series tone/pulse dialers are offered in four different versions. they are sc9302x normal version, sc9302/f/g/h simple version, sc9302xt key-tone version and sc9302xlt key-tone/lock functions version. the sc9302x normal version provides the pin- selected lock function; the sc9302xt version provides the key-tone function; the sc9302xlt version provides both the key-tone function and key board-operated idd lock function. all of the above three versions also supply the following functions: hold-line, hand-free and lcd dialing number display interface, all of which are suitable for feature phone applications. however, the sc9302f/g/h version is simpler than the other three versions. it provides only a redialing memory for a simple low-cost system application. sdip-24 sc9302d package features *universal specification *operating voltage: 2.0v~5.5v *low stand-by current *low memory retention current:0.1 a(typ.) *tone/pulse switchable *interface with lcd driver *32 digits for redialing *32 digits for the sa memory dialing *one-key redialing *pause and p t key for pbx *4x4 keyboard matrix *3.58mhz crystal or ceramic resonator *hand-free control *hold-line control *pause, p t can be saved for redialing *lock function *key tone function *resistor options: -m/b ratio -flash function and flash time -pause and p t duration -pulse number -keyboard operated idd lock function
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 2 pin configurations sc9302x normal version 1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 12 11 10 sc9302a r1 r2 r3 r4 hks dtmf x2 v ss v dd c4 c3 c2 c1 po xmute lock x1 mode 1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 12 11 10 sc9302b r1 r2 r3 r4 hks dtmf hdo x2 v ss v dd c4 c3 c2 c1 po xmute lock x1 mode 22 21 20 19 hdi hfi hfo 1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 12 11 10 sc9302c r1 r2 r3 r4 hks dtmf x2 v ss v dd c4 c3 c2 c1 po xmute lock x1 mode 19 20 dout clock 1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 12 11 10 sc9302d r1 r2 r3 r4 hks dtmf hdo x2 v ss v dd c4 c3 c2 c1 po xmute lock x1 mode 22 21 20 19 hdi hfi hfo 24 23 dout clock sc9302a dip-18 sc9302d sdip-24 sc9302c dip-20 sc9302b sdip-22 sc9302xt/xlt version 1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 12 11 10 sc9302at/alt r1 r2 r3 r4 hks dtmf x2 v ss v dd c4 c3 c2 c1 po xmute kt x1 mode 1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 12 11 10 sc9302bt/blt r1 r2 r3 r4 hks dtmf hdo x2 v ss v dd c4 c3 c2 c1 po xmute kt x1 mode 22 21 20 19 hdi hfi hfo 1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 12 11 10 sc9302ct/clt r1 r2 r3 r4 hks dtmf x2 v ss v dd c4 c3 c2 c1 po xmute kt x1 mode 19 20 dout clock 1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 12 11 10 sc9302dt/dlt r1 r2 r3 r4 hks dtmf hdo x2 v ss v dd c4 c3 c2 c1 po xmute kt x1 mode 22 21 20 19 hdi hfi hfo 24 23 dout clock sc9302at/alt dip-18 sc9302dt/dlt sdip-24 sc9302ct/clt dip-20 sc9302bt/blt sdip-22
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 3 sc9302f/g/h simple version 1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 12 11 10 sc9302f/h r1 r2 r3 r4 hks dtmf x2 v ss v dd c4 c3 c2 c1 po xmute nc x1 mode sc9302f/h dip-18 1 2 3 4 5 6 7 8 9 16 15 14 13 12 11 10 sc9302g r1 r2 r3 r4 hks dtmf x2 v ss v dd c3 c2 c1 po xmute x1 mode sc9302g dip-16 block diagram key column key row divider fsm key function encoder encoder debounce clock generator m/b clock control addrl wrm counter control sram timer flash check tone encoder converter tone out pulse out mode in hd/hf key-tone generater c1 c2 c3 c4 r1 r2 r3 r4 x1 x2 lock kt mode hfo hdo hfi hdi hks xmute po dtmf clock dout
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 4 keyboard information sa f p r 3 6 9 # 2 5 8 0 1 4 7 */t c4 c3 c2 c1 sa f p r 3 6 9 # 2 5 8 0 1 4 7 */t r1 r2 r3 r4 c4 c3 c2 c1 st hks r1 r2 r3 r4 f p r 3 6 9 # 2 5 8 0 1 4 7 */t c4 c3 c2 c1 r1 r2 r3 r4 f r/p 3 6 9 # 2 5 8 0 1 4 7 */t c4 c3 c2 c1 r1 r2 r3 r4 f p r 3 6 9 # 2 5 8 0 1 4 7 */t c3 c2 c1 hks r1 r2 r3 r4 sc9302x and sc9302xt sc9302xlt SC9302H sc9302f sc9302g
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 5 selection table function lock function item keytone pin selection keyboard operated hold-line hand-free lcd interface memory no. package sc9302x (normal version) sc9302a -- -- -- -- -- 2 dip-18 sc9302b -- -- -- 2 sdip-22 sc9302c -- -- -- -- 2 dip-20 sc9302d -- -- 2 sdip-24 sc9302xt(key-tone version) sc9302at -- -- -- -- -- 2 dip-18 sc9302bt -- -- -- 2 sdip-22 sc9302ct -- -- -- -- 2 dip-20 sc9302dt -- -- 2 sdip-24 sc9302xlt (key-tone/lock function version) sc9302alt -- -- -- -- 2 dip-18 sc9302blt -- -- 2 sdip-22 sc9302clt -- -- -- 2 dip-20 sc9302dlt -- 2 sdip-24 sc9302f/g/h (simple version) sc9302f -- -- -- -- -- -- 1 dip-18 sc9302g -- -- -- -- -- -- 1 dip-16 SC9302H -- -- -- -- -- -- 1 dip-18 absolute maximum ratings (tamb=25 c, fosc=3.5795mhz,unless otherwise specified) characteristic symbol value unit supply voltage v dd -0.3 ~ 5.5 v input voltage v in vss-0.3v ~ v cc +0.3v v operating temperature topr -20 ~ +75 c storage temperature tstg -50 ~ +125 c
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 6 electrical characteristics (tamb=25 c, fosc=3.5795mhz,unless otherwise specified) test conditions parameter symbol v dd condition min typ max unit operating voltage v dd -- -- 2 -- 5.5 v pulse -- 0.2 1 ma operating current i dd 2.5v tone off-hook keypad entry no load -- 0.6 2 ma stand-by current i stb 1v on-hook, no load, no entry -- -- 1 a memory retention voltage v r -- -- 1 -- 5.5 v memory retention current i r 1v on-hook -- 0.1 0.2 a input low voltage v il -- -- vss -- 0.2 v dd v input high voltage v ih -- -- 0.8 v dd -- v dd v xmute leakage current i xmo -- v xmute =12v, no entry -- -- 1 a xmute sink current i olxm 2.5v v xmute =0.5v 1 -- -- ma hks pin input current i hks 2.5v v hks =2.5v -- -- 0.1 a hfi pull-low resistance r hfi 2.5v v hfi =2.5v -- 200 -- k hdi pull-high resistance r hdi 2.5v v hdi =0v -- 200 -- k keypad pin source current i oh1 2.5v v oh =0v -4 -- -40 a keypad pin sink current i ol1 2.5v v ol =2.5v 200 400 -- a hfo pin source current i oh2 2.5v v oh =2v -1 -- -- ma hfo pin sink current i ol2 2.5v v ol =0.5v 1 -- -- ma hdo pin source current i oh3 2.5v v oh =2v -1 -- -- ma hdo pin sink current i ol3 2.5v v ol =0.5v 1 -- -- ma control key -- 0.2 -- pause time after flash t fp -- digit key -- 1 -- s one-key redialing pause time t rp -- one-key redialing -- 1 -- s key-in debounce time t db -- -- -- 20 -- ms break time for one-key redialing t brk -- one-key redialing -- 1.2 -- s key-tone duration t kt -- -- 34 -- -- ms key-tone frequency f ktc -- -- 1.2 -- -- khz system frequency fosc -- crystal =3.5795mhz 3.5759 3.5795 3.5831 mhz
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 7 pulse mode electrical characteristics (tamb=25 c, fosc=3.5795mhz,unless otherwise specified) test conditions parameter symbol v dd condition min typ max unit po output source current i poh 2.5v v oh =2v -0.2 -- -- ma po output sink current i pol 2.5v v ol =0.5v 0.2 0.6 -- ma mode pin is connected to v dd -- 10 -- pulse rate pr -- mode pin is opened. -- 20 -- pps a resistor is linked between 2 r and 1 c . -- 33:66 -- make/break ratio m/b -- no resistor is linked between 2 r and 1 c . -- 40:60 -- % m/b ratio =40:60 -- 40(10pps) 20(20pps) -- pre-digit-pause time t pdp -- m/b ratio =33:66 -- 33(10pps) 17(20pps) -- ms pulse rate =10pps -- 800 -- inter-digit-pause time t idp -- pulse rate =20pps -- 500 -- ms a resistor is linked between 2 r and 1 c . -- 33(10pps) 17(20pps) -- pulse make duration t m -- no resistor is linked between 2 r and 1 c . -- 40(10pps) 20(20pps) -- ms a resistor is linked between 2 r and 1 c . -- 66(10pps) 33(20pps) -- pulse break duration t b -- no resistor is linked between 2 r and 1 c . -- 60(10ps) 30(20pps) -- ms
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 8 tone mode electrical characteristics (tamb=25 c, fosc=3.5795mhz,unless otherwise specified) test conditions parameter symbol v dd condition min typ max unit dtmf output dc level v tdc -- -- 0.45v dd -- 0.7v dd v dtmf sink current i tol 2.5v v dtmf =0.5v 0.1 -- -- ma dtmf output ac level v tac -- row group, r l =5k 0.12 0.155 0.18 vrms dtmf output load r l 2.5v thd -23db 5 -- -- k column pre-emphasis a cr 2.5v row group = 0db 1 2 3 db tone signal distortion thd 2.5v r l =5k -- -30 -23 db others -- 82.5 -- minimum tone duration t tmin -- auto-redial 9302g -- 100 -- ms others -- 85.5 -- minimum inter-tone pause t itpm -- auto-redial 9302g -- 106 -- ms thd (distortion)(db)=20log ) v + v / v + ... + v + v ( 2 h 2 i 2 n 2 2 2 1 vi, vh: row group and column group signals v 1 ,v 2 , vn: harmonic signals (bw=300hz~3500hz) approximate internal connection circuits nmos out cmos in/out v dd cmos in cmos out v dd cmos in pull-high v dd cmos in pull-low en 10pf 20pf 10m x1 x2 oscillator
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 9 pin description pin name i/o internal connection description 1 c ~ 4 c 1 r ~ 4 r i/o cmos in/out these pins construct a 4x4 keyboard matrix to perform the keyboard input detecting and dialing specification setting functions, when on-hook ( hks =high) all the pins are set to high. while off-hook the column group ( 1 c ~ 4 c ) stays low and the row group ( 1 r ~ 4 r ) is set to high for key input detecting. an inexpensive single contact 4x4 keyboard can be an input device. pressing a key connects a single column to a single row, and actuates the system oscillator to result in a dialing signal output. if more than two keys are pressed at the same time, no response can be brought about. the key-in debounce time is 20ms. refer to the keyboard table for keyboard arrangement and to the functional description for dialing specification selection. x1 i x2 o oscillator the system oscillator consists of an inverter, a bias resistor and the necessary load capacitor on chip. connecting a standard 3.579545mhz crystal or ceramic resonator to x1 and x2 terminals can implement the oscillator function. the oscillator is turned off in the stand-by mode, and is actuated whenever a keyboard entry is detected. xmute o nmos out the xmute is an nmos open drain structure pulled to v ss during dialing signal transmitting. otherwise, it is an open circuit. the xmute is used to mute the speech circuit when transmitting the dial signal. hks i cmos in this pin is used to monitor the status of the hook-switch and its combination with hfi/ hdi can control the po pin output to make or break the line. hks =v dd : on-hook state ( po =low). except hfi/ hdi (hand-free / hold-line control input), other functions are all disabled. hks =v ss : off-hook state ( po =high). the chip is in the stand-by mode and ready to receive the key input. (to be continued)
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 10 (continued) po o cmos out this pin is a cmos output structure, it receives hks and hfo/hdo signals to control the dialer so as to connect or disconnect the telephone line. po outputs low to break line when hks is high (on-hook) and hfo/hdo is low. po outputs high to make line when hks is low (off- hook) or hfo is high or hdo is high. during the off-hook state, the pin also outputs the dialing pulse train in pulse mode dialing. while in the tone mode, this pin is always high. mode i/o cmos in/out this is a three-state input/output pin, provided to the user for selecting a dialing mode among tone/20pps/10pps. mode=v dd : pulse mode, 10pps. mode=open: pulse mode, 20pps. mode=v ss : tone mode. during the pulse mode dialing, switching this pin to the tone mode changes the following entrance of digits to the tone mode. when the chips are working in the tone mode, the switching from tone to the pulse mode will be recognized. dtmf o cmos out this pin is active only when the chip transmits tone dialing signals. otherwise, it always outputs low. the pin outputs tone signals to drive the external transmitter amplifier circuit. the load resistor should not be less than 5k . hdi i cmos in pull-high this pin is a schmitt trigger input structure. active low. applying a negative going pulse to this pin can toggle the hdo output once. an external rc network is recommended to use for the input debouncing. the pull-high resistance is 200k typically. hdo o cmos out the hdo is a cmos output structure. its output is toggle controlled by a negative transition on hdi . when hdo is toggled to high, po keeps high to hold the line. the hold function can be released by setting hfo high or by an on-off hook operation or by another hdi input. the hdo pin can directly drive the melody generator to produce hold-line background melody. refer to the functional description for the hold-line function. kt o cmos out key-tone output pin. it outputs 1.2khz tone carrier when any key is pressed in the pulse mode or when the function keys are pressed in the tone mode. (to be continued)
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 11 (continued) hfi i cmos in pull-low this pin is a schmitt trigger input structure. active high. applying a positive going pulse to hfi can toggle the hfo once and hence control the hand-free function. the pull-low resistance of hfi is 200k typically. an external rc network is recommended to use for the input debouncing. hfo o cmos out the hfo is a cmos output structure. its output is toggle controlled by a positive transition on hfi pin. when hfo is high, the hand-free function is enabled and po outputs high to connect the line. the hand-free function can be released by setting hdo high or by an on-off-hook operation or by another hfi input. refer to the functional description for the hand-free functional operation. lock i/o cmos in/out this is a three-state input/output pin, provided to the user for controlling the long distance call function with a lock-switch. lock=open: normal dialing (no lock). lock=v dd : 0,9 is inhibited for use as the first key input. lock=v ss : 0 is inhibited for use as the first key input. dout o nmos out this is an nmos open drain output pin. it outputs the bcd code of the dialing digits to the lcd driver chip (sc16xx series) or c for dialing number display. refer to the functional description for the detailed timing. clock o nmos out nmos open drain output. when dialing, it outputs a series of pulse train for the d out data synchronization. the d out data is valid at the falling edge of clock. v dd i -- positive power supply, 2.0v~5.5v for normal operation. v ss i -- negative power supply. function descriptions 1. keyboard matrix the 1 c ~ 4 c and 1 r ~ 4 r make up of a keyboard matrix. together with a standard 4x4 keyboard, the keyboard matrix is used for dialing entrance. in addition, the keyboard matrix provides resistor option for different dialing specification selections. the keyboard arrangement for each of the sc9302 series are listed in keyboard information.
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 12 2.tone frequency output frequency (hz) tone name specified actual %error 1 r 697 699 +0.29% 2 r 770 766 -0.52% 3 r 852 847 -0.59% 4 r 941 948 +0.74% 1 c 1209 1215 +0.50% 2 c 1336 1332 -0. 30% 3 c 1477 1472 -0. 34% % error does not contain the crystal frequency drift. 3. dialing specification selection by means of adding resistors across keyboard matrix pins, various dialing specifications can be selected. the allowable option resistor connections are shown right. c4 c3 c2 c1 r1 r2 r3 r4 r k21 r k31 r k41 r k12 r k13 r k14 all the resistors are 330k . the resistor option functions and the default specifications (without option resistors) are listed below. option resistor option function default (no resistor) r k12 make/break ratio selection 40:60 r k13 r k14 flash function and flash time selection flash = control function flash time = 600ms r k21 pause & p t duration selection t p = 3.6s , t p t = 3.6s r k31 r k41 pulse number selection or idd lock selection n or keyboard operated lock 4. m/b ratio selection table r k13 m/b ratio(%) no 40:60 yes 33.3:66.6
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 13 5. flash function/time(duration) selection table r k13 r k14 flash function flash time (tf) no no control 600ms no yes digit 600ms yes no digit 98ms yes yes digit 300ms 6. pause and p t duration selection table r k21 t p (sec) t p t (sec) no 3.6 3.6 yes 2 1 7. pulse number selection table ? this table shows pulse number selections for sc9302x and sc9302xt. the table for sc9302xlt is used to select idd lock function. r k31 r k41 pulse number no no n no yes n + 1 yes no 10-n yes yes -- ? sc9302g has different selection method listed in the table below. r k31 pulse number no n yes 10-n
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 14 8. pulse number table keypad output pulse number digit key normal n new zealand (10-n) sweden/denmark(n+1) 1 1 9 2 2 2 8 3 3 3 7 4 4 4 6 5 5 5 5 6 6 6 4 7 7 7 3 8 8 8 2 9 9 9 1 10 0 10 10 1 */t p t p t p t # ignored ignored ignored 9. hand-free function operation ? hand-free function table current state input next state hks hfo hdo hdi hfi hks hfo hdo h l x h l an l an h l x h an h l h h x h an l an h x l h l l l l l l x h l an l an l l x h an h l l h l h an l an l x x h l h an an x x l l an l h h: logic high x: dont care l: logic low an: unchanged : rising edge : falling edge
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 15 ? hand-free function execution when hfo is low, a rising edge triggers the hfi, asserting the hand-free function (hfo becomes high). ? reset hand-free function when hfo is high, the hand-free function is enabled and can be reset by: * off-hook * applying a rising edge to hfi * changing the hdo pin from low to high 10. hold-line function operation ? hold-line function execution when hdo is low, a falling edge triggers the hdi , asserting the hold-line function (hdo becomes high). the xmute remains low when hdo is high. ? reset hold-line function when hdo is high, the hold-line function is enabled and can be reset by: * off-hook. * applying a falling edge to hdi . * changing the hfo pin from low to high. ? hold-line function table current state input next state hks hdo hfo hfi hdi hks hdo hfo h l x l h an l an h l x l an h l h h l l an l an h x x l h l l l l l x l h an l an l l x l an h l l h l l an l an l x x l h h an an x x l h an l h h: logic high x: dont care l: logic low an: unchanged : rising edge : falling edge
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 16 11. dout bcd code when dialing, the corresponding 4-bit bcd codes are serially presented on dout from msb to lsb. the data of the dout is valid at the falling edge of the clock pin. the following table lists the bcd codes corresponding to the keyboard input. key-in bcd code key-in bcd code 1 0001 8 1000 2 0010 9 1001 3 0011 0 1010 4 0100 */t 1101 5 0101 # 1100 6 0110 f 1011 7 0111 p 1110 12. lock function the function aims to detect locked dialing number to prevent a long distance call. the dialing output of the chip is disabled if the first input key after on-off-hook is the locked number when the lock function is enabled. the lock function selection is listed below. the sc9302x version is the pin-selected type; on the other hand, the sc9302xlt is the key-board operated type. however, the sc9302xt version does not support any lock function. ? sc9302x version lock pin function open normal dialing (no lock) v dd 0, 9 is inhibited vss 0 is inhibited ? sc9302xlt version r k31 r k41 function no no keyboard operated idd lock no yes lock 0 yes no lock 0,9 yes yes all keys are locked
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 17 13. key definition key name function 0,1,2,3,4,5,6,7,8,9 numerical keys these are dialing number input keys for both the pulse mode and the tone mode operations. */t this key executes the p t function and waits a t p t duration in the pulse mode. on the other hand, the */t key executes the * function in the tone mode. # this is a dialing signal key for the tone mode only, no response in the pulse mode. sa pressing this key can save the preceding dialing telephone numbers. the saved number is redialed if it is pressed again. sa will also redial the saved number if it is the first key depressed at the off-hook state. during the dialing signal transmission, the sa key is inhibited. f the flash key can be selected as a digit or a control key by the option resistors r k13 &r k14 . pressing the flash key will force the po pin to be low for the t f duration and is then followed by t fp (sec). tf can also be selected by r k13 , r k14 . p pause key. the execution of the pause key pauses the output for the t p duration. t p can be selected by r k21 . r redial key. it executes the redialing as well as one-key redial function. st this key can store lock number with personal code in idd lock operation. r/p redial and pause function key. if it is pressed as the first key after off-hook, this key executes the redial function. otherwise, it works as the pause key.
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 18 14. keyboard operation the following operations are all described under an on-off-hook or on-hook with the hand-free active condition. ? normal dialing ---pulse mode a) without */t keyboard input: d1 d2 dn dialing output: d1 d2 dn rm: d1 d2 dn sam: unchanged b) with */t keyboard input: d1 d2 dn */t dn +1 dm dialing output: d1 d2 dn t p t dn +1 dm pulse tone rm: d1 d2 dn */t dn +1 dm sam: unchanged ---tone mode a) without */t keyboard input: d1 d2 dn dialing output: d1 d2 dn rm: d1 d2 dn sam: unchanged b) with */t keyboard input: d1 d2 dn */t dn +1 dm dialing output: d1 d2 dn * dn +1 dm rm: d1 d2 dn * dn +1 dm sam: unchanged note : the maximum capacity of the rm memory is 32 digits. when over 32 digits are entered, the signal is transmitted but the redial function is inhibited. ? redial ---pulse mode a) without */t rm content: d1 d2 dn keyboard input: r (or r/p) dialing output: d1 d2 dn rm: unchanged sam: unchanged b) with */t rm content: d1 d2 dn */t dn +1 dm keyboard input: r (or r/p) dialing output: d1 d2 dn t p t dn +1 dm pulse tone rm: unchanged sam: unchanged ---tone mode a) without */t rm content: d1 d2 dn keyboard input: r (or r/p) dialing output: d1 d2 dn rm: unchanged sam: unchanged b) with */t rm content: d1 d2 dn */t dn +1 dm keyboard input: r (or r/p) dialing output: d1 d2 dn * dn +1 dm rm: unchanged sam: unchanged
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 19 ? one-key redial ---pulse mode a) without */t keyboard input: d1 d2 dn r dialing output: d1 d2 dn t brk t rp d1 d2 dn rm: d1 d2 dn sam: unchanged b) with */t keyboard input: d1 d2 dn */t dn +1 dm r dialing output: d1 d2 dn t p t dn +1 dm t brk pulse tone t rp d1 d2 dn t p t dn +1 dm pulse tone rm: d1 d2 dn */t dn +1 dm sam: unchanged ---tone mode a) without */t keyboard input: d1 d2 dn r dialing output: d1 d2 dn t brk t rp d1 d2 dn rm: d1 d2 dn sam: unchanged b) with */t keyboard input: d1 d2 dn */t dn +1 dm r dialing output: d1 d2 dn * dn +1 dm t brk t rp d1 d2 dn * dn +1 dm rm: d1 d2 dn * dn +1 dm sam: unchanged note: if the dialing number is over 32 digits, the redialing is inhibited and po = v dd . ? sa copy ---pulse mode a) without */t keyboard input: d1 d2 dn sa dialing output: d1 d2 dn rm: d1 d2 dn sam: d1 d2 dn b) with */t keyboard input: d1 d2 dn */t dn +1 dm sa dialing output: d1 d2 dn t p t dn +1 dm pulse tone rm: d1 d2 dn */t dn +1 dm sam: d1 d2 dn */t dn +1 dm ---tone mode a) without */t keyboard input: d1 d2 dn sa dialing output: d1 d2 dn rm: d1 d2 dn sam: d1 d2 dn b) with */t keyboard input: d1 d2 dn */t dn +1 dm sa dialing output: d1 d2 dn * dn +1 dm rm: d1 d2 dn * dn +1 dm sam: d1 d2 dn * dn +1 dm note: the maximum capacity of the rm memory is 32 digits. when over 32 digits plus the sa key are entered, the save function will not be executed, and all the existing data in the save memory will not be changed.
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 20 ? sa dialing ---pulse mode a) without */t sam content: d1 d2 dn keyboard input: sa dialing output: d1 d2 dn rm: unchanged sam: unchanged b) with */t sam content: d1 d2 dn */t dn +1 dm keyboard input: sa dialing output: d1 d2 dn t p t dn +1 dm pulse tone rm: unchanged sam: unchanged ---tone mode a) without */t sam content: d1 d2 dn keyboard input: sa dialing output: d1 d2 dn rm: unchanged sam: unchanged b) with */t sam content: d1 d2 dn * dn +1 dm keyboard input: sa dialing output: d1 d2 dn * dn +1 dm rm: unchanged sam: unchanged ? flash ---flash as a digital key a) the intervenient key keyboard input: d1 d2 dn f dn +1 dm dialing output: d1 d2 dn t f t fp dn +1 dm rm: d1 d2 dn sam: unchanged b) the first key keyboard input: f d1 d2 dn dialing output: t f t fp d1 d2 dn rm: unchanged sam: unchanged ---flash as a control key keyboard input: d1 d2 dn f dn +1 dm dialing output: d1 d2 dn t f t fp dn +1 dm rm: dn +1 dm sam: unchanged note: t f : break a flash time ? pause keyboard input: d1 d2 dn p dn +1 dm dialing output: d1 d2 dn t p dn +1 dm rm: p dn +1 dm sam: unchanged ? note rm: redial memory sam: save dialing memory d1 d2 dn: 0~9 dn +1 dm: 0~9, *, #
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 21 ? idd lock operation by the keyboard (2 lock numbers, 3 digits/number at maximum) ---personal / lock no.1 / lock no.2 input operation a) personal code doesnt exist stores personal code: st d1 d2 d3 st * 0 stores lock no.1: st d4 d5 d6 st * 1 stores lock no.2: st d7 d8 d9 st * 2 b) personal code exist changes personal code: st d1 d2 d3 st # st d4 d5 d6 st * 0 (old personal code) (new personal code) changes lock no.1: st d1 d2 d3 st # st d4 d5 d6 st * 1 (personal code) (lock no.1) changes lock no.2: st d1 d2 d3 st # st d7 d8 d9 st * 2 (personal code) (lock no.2) changes personal code, lock no.1 and lock no.2 at one time st d1 d2 d3 st # st d4 d5 d6 st * 0 (continued) (old personal code) (new personal code) st d7 d8 d9 st # st d10 d11 d12 st * 2 (lock no.1) (lock no.2) ---personal / lock no.1 / lock no.2 cancel operation cancels personal code: st d1 d2 d3 st # st # 0 cancels lock no.1: st d1 d2 d3 st # st # 1 cancels lock no.2: st d1 d2 d3 st # st # 2 ---temporary release both of the lock numbers (lock no.1, lock no.2): st d1 d2 d3 st # dm dm+1 dm+2 dldn (personal code) note: d1~d12=0~9 dm dm+1 dm+2 = 0~9 dldn = 0~9, *, # ? note : rm: redial memory sam: save dialing memory d1 d2dn: 0~9 dn+1dm: 0~9, *, # dm+1dl: 0~9, *, # dl+1dk: 0~9, *, #
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 22 operation timing 1. normal dialing ? pulse mode hks key in xmute po t db d1 d2 r t pdp t idp t m t kt 20ms 20ms 1.2khz carrier xmute dtmf kt x2 high impedance t db t db t idp -t m t idp -t m t pdp t idp -t m t kt t idp -t m t kt others sc9302g ? tone mode hks key in xmute po t db d1 d2 r 20ms 20ms dtmf kt x2 high impedance t itpm t tmin t db t itpm t itpm t itpm
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 23 2. dialing with pause key ? pulse mode hks key in xmute others po t d b d1 d2 p t p +t pdp t idp t pdp t kt 20ms 1.2khz carrier xmute sc9302g dtmf kt x2 high impedance d3 t m t idp -t m t kt t m t idp -t m ? tone mode hks key in xmute po t db 20ms dtmf kt x2 high impedance t itpm t tmin d1 d2 p d3 t p t itpm t itpm
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 24 3. flash key operation hks key in xmute po t d b 20ms dtmf kt x2 high impedance t f f t fp t k t 1.2khz carrier 4. pulse tone operation d1 d2 */t d3 hks key in xmute po t d b 20ms dtmf kt x2 high impedance t k t 1.2khz carrier t pd p t idp +t pdp t id p t p-- >t t tmi n t itp m
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 25 5. one key redial operation d1 d2 r hks key in xmute po t d b 20ms dtmf kt x2 high impedance t k t t itp m t brk(2 secs) t rp (1 secs) t d b t itp m t d b t itp m t itp m 6. clock & dout operation d1 hks key in xmute po t d b 20ms clock dout x2 high impedance kt t pd p t b t m t kt (34ms) 1.2khz carrier f clock =2.4kh z data note: d1=d3=3, d2=2.
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 26 typical applications 1. sc9302a (dip-18) hks v dd c4 c3 c2 c1 po xmute 15 16 17 18 sa f p r 3 6 9 # 2 5 8 0 1 4 7 */t 1 2 3 4 r4 r3 r2 r1 5 0,9 no lock 0 v ss lock 9 vdd 10pps tone 14 mode 20pps 10pf 10pf 6 7 x1 x2 39pf 39pf 3.58mhz resonator speech network 8 1f 13 dtmf 1a bridge tip ring 11 10 12 v dd 0.1f 100f rk rk 100k' 47k' vdd 3.3k 22m' 100k' 2.2k' in4148 in4148 5.1v 270k' hook off hook on 1f 100k' 200k' 1.5k' 150' a42 a92 sc9302a (dip-18) * r k for dialing signal option. (refer to the functional description) * unmarked transistors are of 8050 type. * a 1 f capacitor between xmute and vss (gnd) is recommended.
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 27 2. sc9302b (sdip-22) hks v dd c4 c3 c2 c1 po xmute 21 18 19 20 sa f p r 3 6 9 # 2 5 8 0 1 4 7 */t 6 2 3 4 r4 r3 r2 r1 5 0,9 no lock 0 v ss lock 10 vdd 10pps tone 17 mode 20pps 10pf 10pf 7 8 x1 x2 39pf 39pf 3.58mhz resonator 12 16 dtmf 1 22 v dd rkrk 150! sc9302b (sdip-22) 9 speech network 1f hfo 14 melody ic 13 11 15 hook off hook on 1a bridge tip ring hdi hdo hfi 1.5k! 47k! 100k! 1f 270k! 0.1f 220k! in4148 in4148 2.2k! 100f 5.1v 0.1f vdd 0.1f 22k! 22k! hold 1f 16v in4148 330k! in4148x4 0.1f 4.7k! 220k! 33k! 100k! 10f 50v 10k! handfree a42 3.3k! a92 100k! 220k! 100k! 22m! 0.02f * r k for dialing signal option. (refer to the functional description) * unmarked transistors are of 8050 type. * a 1 f capacitor between xmute and vss (gnd) is recommended. * the melody ic provides a melody during the hold period.
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 28 3. sc9302c(dip-20) hks v dd c4 c3 c2 c1 po xmute 17 18 19 20 sa f p r 3 6 9 # 2 5 8 0 1 4 7 */t 1 2 3 4 r4 r3 r2 r1 5 0,9 no lock 0 v ss lock 9 vdd 10pps tone 16 mode 20pps 10pf 10pf 6 7 x1 x2 39pf 39pf 3.58mhz resonator 8 15 dtmf 1a bridge tip ring 13 12 14 v dd 0.1f 100f r k r k 100k& 47k& vdd 3.3k& 22m& 100k& 2.2k& in4148 in4148 5.1v 270k& hook off hook on 1f 100k& 200k& 1.5k& 150& a42 a92 sc9302c (dip-20) sc16xx lcd driver (see sc16xx data) 10 11 speech network 1f clock dout in4148 * r k for dialing signal option. (refer to the functional description) * unmarked transistors are of 8050 type. * a 1 f capacitor between xmute and vss (gnd) is recommended.
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 29 4. sc9302d (sdip-24) hks vdd c4 c3 c2 c1 po xmute 23 20 21 22 sa f p r 3 6 9 # 2 5 8 0 1 4 7 */t 6 2 3 4 r4 r3 r2 r1 5 0,9 no lock 0 v ss lock 10 vdd 10pps tone 19 mode 20pps 10pf 10pf 7 8 x1 x2 39pf 39pf 3.58mhz resonator 12 9 dtmf 1 24 v dd rk rk 150 sc9302d (sdip-24) 13 speech network hfo 16 melody ic 15 11 17 hook off hook on 1a bridge tip ring hdi hdo hfi 1.5k 47k 100k 1f 270k 0.1f 220k in4148 in4148 2.2k 100f 5.1v 0.1f vdd 0.1f 22k 22k hold 1f 16v in4148 330k in4148x4 0.1f 4.7k 220k 33k 100k 10f 50v 47k handfree a42 3.3k a92 100k 220k 100k 22m 0.02f 14 18 1f sc16xx lcd driver (see sc16xx data) dout clock in4148 47k * r k for dialing signal option. (refer to the functional description) * unmarked transistors are of 8050 type. * a 1 f capacitor between xmute and vss (gnd) is recommended. * the melody ic provides a melody during the hold period.
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 30 5. sc9302at/alt (dip-18) hks c4 c3 c2 c1 po xmute 15 16 17 18 sa f p r 3 6 9 # 2 5 8 0 1 4 7 */t 1 2 3 4 r4 r3 r2 r1 5 v ss kt 9 vdd 10pps tone 14 mode 20pps 10pf 6 7 x1 x2 39pf 39pf 3.58mhz resonator speech network 8 1f 13 dtmf 1a bridge tip ring 11 10 12 v dd 0.1f 100f r k r k 100k 47k+ vdd 3.3k+ 22m+ 100k+ 2.2k+ in4148 in4148 5.1v 270k+ hook off hook on 1f 100k+ 200k+ 1.5k+ 150+ a42 a92 sc9302at/alt (dip-18) st to buzzer * r k for dialing signal option. (refer to the functional description) * unmarked transistors are of 8050 type. * a 1 f capacitor between xmute and vss (gnd) is recommended.
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 31 6. sc9302bt/blt (sdip-22) hks c4 c3 c2 c1 po xmute 21 18 19 20 sa f p r 3 6 9 # 2 5 8 0 1 4 7 */t 6 2 3 4 r4 r3 r2 r1 5 v ss kt 10 vdd 10pps tone 17 mode 20pps 10pf 7 8 x1 x2 39pf 39pf 3.58mhz resonator 12 16 dtmf 1 22 v dd rk rk 150 sc9302bt/blt (sdip-22) 9 speech network 1f hfo 14 melody 13 11 15 hook off hook on 1a bridge tip ring hdi hdo hfi 1.5k 47k 100k 1f 270k 0.1f 220k in4148 in4148 2.2k 100f 5.1v 0.1f v dd 0.1f 22k 22k hold 1f 16v in4148 330k in4148x4 0.1f 4.7k 220k 33k 100k 10f 50v 47k handfree a42 3.3k a92 100k 220k 100k 22m 0.02f 47k sa to buzzer * r k for dialing signal option. (refer to the functional description) * unmarked transistors are of 8050 type. * a 1 f capacitor between xmute and vss (gnd) is recommended. * the melody ic provides a melody during the hold period.
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 32 7. sc9302ct/clt (dip-20) hks c4 c3 c2 c1 po xmute 17 18 19 20 sa f p r 3 6 9 # 2 5 8 0 1 4 7 */t 1 2 3 4 r4 r3 r2 r1 5 v ss kt 9 vdd 10pps tone 16 mode 20pps 10pf 6 7 x1 x2 39pf 39pf 3.58mhz resonator 8 15 dtmf 1a bridge tip ring 13 12 14 v dd 0.1f 100f rk rk 100k# 47k# vdd 3.3k 22m# 100k# 2.2k# in4148 in4148 5.1v 270k# hook off hook on 1f 100k# 200k# 1.5k# 150# a42 a92 sc9302ct/clt (dip-20) sc16xx lcd driver (see sc16xx data) 10 11 speech network 1f clock dout in4148 st to buzzer * r k for dialing signal option. (refer to the functional description) * unmarked transistors are of 8050 type. * a 1 f capacitor between xmute and vss (gnd) is recommended.
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 33 8. sc9302dt/dlt (sdip-24) hks c4 c3 c2 c1 po xmute 23 20 21 22 sa f p r 3 6 9 # 2 5 8 0 1 4 7 */t r4 r3 r2 r1 v ss kt vdd 10pps tone mode 20pps 10pf x1 x2 39pf 39pf 3.58mhz resonator 14 18 dtmf 1 24 v dd rk rk 150 sc9302dt/dlt (sdip-24) 9 speech network 1f hfo 16 melody ic 15 11 17 hook off hook on 1a bridge tip ring hdi hdo hfi 1.5k 47k 100k 1f 270k 0.1f 220k in4148 in4148 2.2k 100f 5.1v 0.1f vdd 0.1f 22k 22k hold 1f 16v in4148 330k in4148x4 0.1f 4.7k 220k 33k 100k 10f 50v 47k handfree a42 3.3k a92 100k 220k 100k 22m 0.02f 47k sa to buzzer clock 12 dout 6 2 3 4 5 10 19 7 8 13 sc16xx lcd driver (see sc16xx data) * r k for dialing signal option. (refer to the functional description) * unmarked transistors are of 8050 type. * a 1 f capacitor between xmute and vss (gnd) is recommended. * the melody ic provides a melody during the hold period.
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 34 9. SC9302H (dip-18) hks c4 c3 c2 c1 po xmute 15 16 17 18 f r/p 3 6 9 # 2 5 8 0 1 4 7 */t 1 2 3 4 r4 r3 r2 r1 5 v ss nc 9 vdd 10pps tone 14 mode 20pps 10pf 6 7 x1 x2 39pf 39pf 3.58mhz resonator speech network 8 1f 13 dtmf 1a bridge tip ring 11 10 12 v dd 0.1f 100f r k r k 100k) 47k) vdd 3.3k) 22m) 100k) 2.2k) in4148 in4148 5.1v 270k) hook off hook on 1f 100k) 200k) 1.5k) 150) a42 a92 SC9302H (dip-18) * r k for dialing signal option. (refer to the functional description) * unmarked transistors are of 8050 type. * a 1 f capacitor between xmute and vss (gnd) is recommended.
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 35 10. sc9302g (dip-16) hks c3 c2 c1 po xmute 13 14 15 16 f p r 3 6 9 # 2 5 8 0 1 4 7 */t 1 2 3 r4 r3 r2 r1 v ss 7 vdd 10pps tone 12 mode 20pps 10pf 4 5 x1 x2 39pf 39pf 3.58mhz resonator speech network 6 1f 11 dtmf 1a bridge tip ring 9 8 10 v dd 0.1f 100f r k r k 100k) 47k) vdd 3.3k) 22m) 100k) 2.2k) in4148 in4148 5.1v 270k) hook off hook on 1f 100k) 200k) 1.5k) 150) a42 a92 sc9302g (dip-16) * r k for dialing signal option. (refer to the functional description) * unmarked transistors are of 8050 type. * a 1 f capacitor between xmute and vss (gnd) is recommended.
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 36 11. sc9302f (dip-18) hks c4 c3 c2 c1 po xmute 15 16 17 18 f p r 3 6 9 # 2 5 8 0 1 4 7 */t 1 2 3 4 r4 r3 r2 r1 5 v ss nc 9 vdd 10pps tone 14 mode 20pps 10pf 6 7 x1 x2 39pf 39pf 3.58mhz resonator speech network 8 1f 13 dtmf 1a bridge tip ring 11 10 12 v dd 0.1f 100f rkrk 100k) 47k) vdd 3.3k) 22m) 100k) 2.2k) in4148 in4148 5.1v 270k) hook off hook on 1f 100k) 200k) 1.5k) 150) a42 a92 sc9302f (dip-18) * r k for dialing signal option. (refer to the functional description) * unmarked transistors are of 8050 type. * a 1 f capacitor between xmute and vss (gnd) is recommended.
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 37 chip topography 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 24 23 22 21 20 chip size: 1.90 x 1.73 mm 2 pad coordinates (unit: m) pad no. symbol x y pad no. symbol x y 1 p1 -934.05 -225.30 13 p13 927.70 234.85 2 p2 -956.65 -503.00 14 p14 927.70 463.25 3 p3 956.65 -800.20 15 p15 890.75 619.10 4 p4 -668.20 -879.95 16 p16 937.55 839.50 5 p5 -391.80 -879.95 17 p17 761.90 875.45 6 p6 -137.60 -861.45 18 p18 363.20 875.45 7 p7 589.50 -845.65 19 p19 35.90 873.65 8 p8 846.10 -847.35 20 p20 -679.90 873.35 9 p9 899.15 -469.80 21 p21 -956.65 779.70 10 p10 954.35 -283.90 22 p22 -956.65 521.30 11 p11 927.70 -117.95 23 p23 -956.65 244.90 12 p12 927.70 71.75 24 p24 -940.35 -5.70 note: the original point of the coordinate is the die center.
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 38 package outline dip-16-300-2.54 unit:mm 6.40 2.54 3.51 5.08 3.30 7.62 0.25 15 degree 0.46 19.4 1.50 dip-18-300-2.54 unit:mm 6.40 2.54 3.51 5.08 3.30 7.62 0.25 15 degree 0.46 22.95 1.50
silan semiconductors sc9302 series hangzhou silan microelectronics joint-stock co.,ltd rev: 2.0 2001-11-01 39 dip-20-300-2.54 unit:mm 6.40 2.54 3.51 7.62 0.25 15 degree 0.46 22.95 1.50 5.08 3.30 sdip-24-300-2.54 unit:mm 2.54 7.62 0.25 15 degree 0.46 34.50 1.50 5.08 3.30 6.40 3.51

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