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SC9641 hangzhou?silan?microelectronics?co.,ltd rev:1.0???????2008.03.24 http:?www.silan.com.cn ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?1?of?15 block?diagram cd?digital?servo?signal?processor(slave?mode) description the?SC9641?is?a?single-chip?cd?processor?for?digital?servo?and?asic circuit.?this?lsi?incorporates?cd?servo?controller,?cd?signal?processor, digital?audio?dac?and?built-in?cpu?interface. features *?supports?1x?to?2x?speed?playback *?command?and?sub?code?transmission?adopts?tri-line?communication or?parallel?communication *?built-in?mcu?controls?the?cd?and?state?feedback?by?communication instructions?of?the?communication?bus.*?supports?format?of?cd-a/v, cd-r,?cd-r/w?and?cd-rom applications *?cd,?vcd?and?mp3?player *?desk?audio?system qfp-64-14?x?14-0.8 ordering?information device package SC9641 qfp-64-14x14-0.8
SC9641 hangzhou?silan?microelectronics?co.,ltd rev:1.0???????2008.03.24 http:?www.silan.com.cn ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?2?of?15 absolute?maximum?ratings ?(t amb =25 c) characteristic symbol value unit supply?voltage v dd -0.5??~?+5.5 v input?voltage?on?pins v in -0.5?~?v dd ?+?0.5 v operating?temperature t max -20?~??+75 c electrical?characteristics (v dd =3.4~5.5v;v ss =0v;t amb =-10~+60 c) characteristics symbol test?condition min. typ. max. unit supply?voltage v dd 4.5 5.0 5.5 v supply?current i dd 5v;?1x?speed 45 ma rfin?input?signal v rfin 1.0 v reference?voltage v ir 0.5v dd v common?mode?dc v vcom 2.0 2.5 v output?adc?reference?voltage v vadc v vcom + 0.462 v vcom + 2.313 v input?current?of?central?diode?b i b 0 10 m a input?current?of?central?diode?a i a 0 10 m a input?current?of?central?diode?c i c 0 10 m a input?current?of?central?diode?d i d 0 10 m a input?current?of?satellite?diode?f i f 0 5 m a input?current?of?satellite?diode?f i e 0 5 m a data?slicer?feed-back?current output i idata 1.9 5.5 m a ldon?low?level?output?current i ldon 0 2 ma err?output?current i err 0 1 ma data_out wclk_out sclk_out output?current i oh1 i ol1 0 1 ma data_out wclk_out sclk_out low?level?output?voltage v ol1 iol1=1ma 0 0.4 v data_out wclk_out sclk_out high?level?output?voltage v oh1 ioh1=-1ma v dd -0.4 v dd v rad?output?current i rad 0 1 ma foc?output?current i foc 0 1 ma sled?output?current i sled 0 1 ma (to?be?continued)
SC9641 hangzhou?silan?microelectronics?co.,ltd rev:1.0???????2008.03.24 http:?www.silan.com.cn ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?3?of?15 (continued) characteristics symbol test?condition min. typ. max. unit moto?output?current i moto 0 10 ma rad,?foc,?sled?low?level output?voltage v ol iol=1ma 0 0.4 v rad,?foc,?sled?high?level output?voltage v oh ioh=-1ma v dd - 0.4 v dd v moto?low?level?output?voltage v olmoto ? iolmoto=10ma 0 1.0 v moto?high?level?output?voltage v ohmoto iohmoto=-10ma v dd -1 v dd v rad,?foc,?sled,?moto?output 3-state?leakage?current i zo -10 0 +10 m a ack,? wr,? rd,? data0 7,? high level?input?voltage v ilh 2.8 3.0 - v ack,? wr,? rd,? data0 7,? low level?input?voltage v ihl 0.6 0.7 v data_in,? wclk_in,? sclk_in, high?level?input?voltage v ohda 0.7v dd v dd +0.5 v data_in,? wclk_in,? sclk_in, low?level?input?voltage v olda -0.5 0.3v dd v dac??total?harmonic?distortion plus?noise (thd+n)/s 60 65 70 db 0~19?khz - - 0.001 db 19~20?khz - - 0.03 db 24khz 25 - - db 25?~?35?khz 40 - - db 35?~?64?khz 50 - - db 64?~68?khz 31 - - db 68khz 35 - - db da?filter?attenuation filter_da 69~?88khz 40 - - db crystal?frequency fsystem 16.9344 mhz sclk?frequency fsclk_in 2.8224 mhz wclk?frequency fwclk_in 44.1 khz
SC9641 hangzhou?silan?microelectronics?co.,ltd rev:1.0???????2008.03.24 http:?www.silan.com.cn ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?4?of?15 pin?configuration pin?description pin?no. pin?name descriptions 1 vssa1 analog?ground?1 2 vdda1 analog?supply??1 3 b central?diode?current?signal?input 4 a central?diode?current?signal?input 5 c central?diode?current?signal?input 6 d central?diode?current?signal?input 7 f satellite?diode?current?signal?input 8 e satellite?diode?current?signal?input 9 vcom dc?voltage?input 10 vadc adc?reference?voltage?output 11 idata data?signal?feed-back?current?output ?(to?be?continued)
SC9641 hangzhou?silan?microelectronics?co.,ltd rev:1.0???????2008.03.24 http:?www.silan.com.cn ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?5?of?15 (continued) pin?no. pin?name descriptions 12 rfin efm?signal?input 13 rfref comparator?common?mode?input 14 ir reference?current?output 15 vssa2 analog?ground?2 16 vdda2 analog?supply?2 17 crin crystal? oscillation? circuit? input.? when? the? master? clock? is? input? externally,? input? it from?this?pin. 18 crout crystal?oscillation?circuit?output. 19 mode connect?ground. 20 mot_ctrl control?the?spindle?motor?(during?focusing?and?jumping,?if??mot_ctrl?output?high level?signal,?it?can?control?the?mot?control?port?of? sa9529?after? through?3?voltage drop? diodes,? then? prevent? the? spindle? reverse;? in? other? condition,? the? mot-ctrl output?low?level). 21 wclk_out d/a?interface.?lr?clock?output. 22 sclk_out? d/a?interface.?bit?clock?output. 23 data_out? d/a?interface.?serial?data?output 24 err c2?error?flag 25 wclk_in d/a?interface.?lr?clock?input. 26 sclk_in d/a?interface.?bit?clock?input. 27 data_in d/a?interface.?serial?data?input 28 ack acknowledge?signal?output?pin?(drain?open,?with?pull?up?resistor). 29 mclk_in dac?system?clock?input?(16.9344mhz) 30 cl16 16.9344mhz?clock?output 31 data?\?wr? data?i/o?port,?it?is?shared?with?write?port?of?parallel?communication. 32 stb?\?rd control? i/o? port,?it?is? shared? with? read?port? of? parallel?communication.(drain? open, with?internal?pull-up?resistor). 33 ack acknowledge?signal?port?(drain?open,?with?internal?pull-up?resistor). 34 io.7?\?data7 general?i/o?port,?it?is?shared?with?data?bit?7?(drain?open,?with?internal?pull?up?resistor). 35 io.6?\?data6 general?i/o?port,?it?is?shared?with?data?bit?6?(drain?open,?with?internal?pull?up?resistor). 36 io.5?\?data5 general?i/o?port,?it?is?shared?with?data?bit?5?(drain?open,?with?internal?pull?up?resistor). 37 io.4?\?data4 general?i/o?port,?it?is?shared?with?data?bit?4?(drain?open,?with?internal?pull?up?resistor). 38 io.3?\?data3 general?i/o?port,?it?is?shared?with?data?bit?3?(drain?open,?with?internal?pull?up?resistor). 39 io.2?\?data2 general?i/o?port,?it?is?shared?with?data?bit?2?(drain?open,?with?internal?pull?up?resistor). 40 io.1?\?data1 general?i/o?port,?it?is?shared?with?data?bit?1?(drain?open,?with?internal?pull?up?resistor). 41 io.0?\?data0 general?i/o?port,?it?is?shared?with?data?bit?0?(drain?open,?with?internal?pull?up?resistor). 42 test test?pin. 43 reset reset?pin?(active?low) 44 vdda analog?supply 45 vsso analog?ground 46 vdd0 analog?supply ?(to?be?continued)
SC9641 hangzhou?silan?microelectronics?co.,ltd rev:1.0???????2008.03.24 http:?www.silan.com.cn ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?6?of?15 (continued) pin?no. pin?name descriptions 47 vref internal?reference?voltage?for?output?channels 48 r digital?audio?right?channel?output?pin. 49 cr digital?audio?right?channel?filter?pin. 50 cl digital?audio?left?channel?filter?pin. 51 l digital?audio?left?channel?output?pin. 52 rad tracking?drive?output 53 foc focus?drive?output 54 sled sled?drive?output 55 vssp ground 56 status shake?signal?output?(high?active,?used?for?anti-seismic?system) 57 bclk 75hz?frame?sync?signal?output?pin. 58 moto spindle?drive?output. 59 vddp digital?power?supply. 60 vdd digital?power?supply. 61 gnd digital?ground. 62 tray_sw? tray?loading?position?monitor?signal?input 63 sled_sw? sled?motor?position?monitor?signal?input 64 ldon laser?control?signal?output?(active?high) function?description the?system?controller?sets?the?mode?and?readout?the?status?of?signal?processor?and?digital?servo?by?the standard?cpu?interface.?the?detail?of?command?and?interface?timing?is?explained?in?the?following?tables. 1. system?write?command?table: command (hex) parameter (bin) function?descriptions 01 xxxxxxxx set? up?8?general?i/o? ports,?one?bit?control?one?i/o?port,?when?the?bit?is?1, the?corresponding?port?is?set?input,?and?it?was?set?output?port?when?it?is?0. io.7~io.0? corresponding?the? high? bit? to?least? bit.? all? ports? set? input? status when?power?on. 03 xxxxxxxx set?the?data?of?output?port.?if?it?is?input?port,?the?data?is?io.7~io.0. 08 xxxxxxxx set?motor?speed?standard?(the?initial?value?is?efh); motor?rotate?speed?when?stable?playing:?10000b the?low?5?bits?set?motor?rotate?speed?lower?limit:?range?(00000b~10000b) the?high?3?bits?set?motor?rotate?upper?limit?:?(10000b~10111b) according? to? the? initial? value,? if? the? motor? speed? is? in? the? range? of 01111b~100111b?,?it?consider?the?motor?is?stable,? and?can?carry?the?next operation. (to?be?continued)
SC9641 hangzhou?silan?microelectronics?co.,ltd rev:1.0???????2008.03.24 http:?www.silan.com.cn ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?7?of?15 (continued) command (hex) parameter (bin) function?descriptions 0c xxxxxxxx set? shield? time? of? the? motor? error? signal? (the? initial? value? is? 40h),? the parameter? is?00h~ffh,? the?internal?reference?is?8ms,? so?the?shield?time?is 0~2? seconds;? if? the? motor? rotate? speed? is? detected? in? the? set? range,? and detect?the?shield?time?of?motor? error? signal?is?exceed,?the?system?consider the?servo?is?abnormally?and?need?restart. 00000010 start? play,? if? not? read? toc,? then? store? the? toc? data;? when? play? at? the export? section,? if? the? sub-controller? at? normal? play? state,? the? system? will receive?the?command?of??master?controller. 00000011 read?and?save?toc?information?again,?and?stay?in?the?lay?in?section. 00000100 pause. 00000101 fast? play,? at? this? time,? playing? at? fast_step,? and? fast_time? interval, after? fast? forward? to? export? section,? it? entry? pause? mode,? wait? for? the? next command. 00000110 fast? backward,? playing? at? fast_step,? and? fast_time? interval.? after fast? backward? to? import? section,? it? enter? pause? mode? and? wait? for? the command?of?master?controller. 00000111 stop?play,?and?switch?bare?head?to?inside?track. 00010000 if?it?is?in?the?lay?in?section,?then?jump?out?the?lay?in?section,?and?play?at?the target?track. the?target?track?set?command:?0x11 00010001 if?it?is?in?the?lay?in?section,?then?jump?out?the?lay?in?section,?and?play?at?the target?track. the?target?track?set?command:?0x12,?0x13,?0x14 00010010 if?it?is?in?the?lay?in?section,?then?jump?out?the?lay?in?section,?and?play?at?the relative?time?of?target?track. set?command:?0x11,?0x12,?0x13,?0x14 00010011 initialize?the?servo 00010100 closed?cd?data?output. 00010101 open??cd?data?output 00100000 jump? to? the? next? session;? if? there? are? a? next? session,? then? store? the? start address? of? program? to? the? next_amin,? next_asec,? next_afrm;? if there? are? no? next? session,? then? the? next_amin,? next_asec, next_afrm?remain?original?value?or?is?0xff. 00100001 stop?at?the?former?play?point,?the?sled?motor?will?not?return. 0f 00100010 this?command?used?for?control?sled?motor?in?or?out?after?servo?stop: 5fh?+?81h,?0fh?+?21h ? ?sled?motor?sled?inside. 5fh?+?7fh,?0fh?+?21h ? sled?motor?sled?outside. 5fh?+?00h,?0fh?+?21h ? sled?motor?stop. (to?be?continued)
SC9641 hangzhou?silan?microelectronics?co.,ltd rev:1.0???????2008.03.24 http:?www.silan.com.cn ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?8?of?15 (continued) command (hex) parameter (bin) function?descriptions 60 xxxxxxxx set? the? high? 8? bits? (0ffh~00h,? it? need? complement? code? and? the? default code? is? 0fdh)? of? track? when? the? import? section? (toc)? jump? to? normal play?section. 61 xxxxxxxx set?the?time?of?jump?to?the?next?session;?if?it?is?not?jump?to?the?next?session in?the? set? time,? the? sub?controller? will? set? the? next_amin,?next_asec, next_afrm?is?0xff;?this?command?is?treat?with?the?copy?disc.(he?unit?of the?time?is?100ms). 63 xxxxxxxx bit2,? bit1,? bit0------set? SC9641? internal? dac? data? input? format,? the default?is?b110; bit2:??1----single?data?input. ???????????0----double?data?input. bit1,?bit0:?00---i2s-bus ???????????????????10---lsb?fixed?16?bits ????????????????????01---lsb?fixed?18?bits ????????????????????11---lsb?fixed?20?bits bit7,?bit6:?improve?play?capability?of?difficult?read?disk. 00---normal?(default) 01---?one?step?higher?than?00 10---?one?step?higher?than?01 11---? one? step? higher? than? 11? (? this? setting? is? the? easiest? read disk,?if?the?disk?is?not? readable?in?one?time?in?the?normal?setting, this?two?bits?can?set?to?11?to?read?the?disk?easily?) bit5:?improve?play?capability?of?difficult?readable?disk,?can?set?with bit6,?bit7. ????????????0---?normal(default) ????????????1---?read?disk?more?easy?(the?setting?is?the?same?as?bit6,?bit7) 10110011 set?1x?speed?play 10111011 set?2x?speed?play 1010xxxx set?voltage?vadc 00111010 set?data?output?format:?i 2 s-bus?cd-rom?mode 00111011 set?data?output?format:??eiaj?cd-rom?mode 00111110 set?data?output?format:?i 2 s-bus?16-bit?fs?mode 0d 00110010 set?data?output?format:?eiaj?16-bits?fs?mode 11 xxxxxxxx set?target?tno 12 xxxxxxxx set?target?minute 13 xxxxxxxx set?target?second 14 xxxxxxxx set?target?frame 15 xxxxxxxx set?jump?frame?range. 16 xxxxxxxx set?fast?forward?and?fast?backward?steps?(track). 17 xxxxxxxx set?step?time?(10ms) 18 xxxxxxxx set?neg?frame?of?jump?target?(0~255)
SC9641 hangzhou?silan?microelectronics?co.,ltd rev:1.0???????2008.03.24 http:?www.silan.com.cn ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?9?of?15 2. system?read?command?table: command (hex) parameter (bin) function?descriptions 02 xxxxxxxx read?the?value?of?io.7~io.0d,?if?it?as?output?port,?it?read?the?output?data. 81 mintno the?minimum?target(hex) 82 maxtno the?maximum?track?no?(hex) 83 next_amin the?absolute?time?(minute)?of?the?next?session?(bcd). 84 next_asec the?absolute?time?(second)?of?the?next?session?(bcd). 85 next_afrm the?absolute?time?(frame)?of?the?next?session?(bcd). 86 maxmin maximum?play?time-?min(hex) 87 maxsec maximum?play?time-?sec(hex) 89 maxfrm maximum?play?time-?frame(hex) xxxxxx0x not?store?toc?information xxxxxx1x store?toc?information xxxxx0xx not?enter?play?status xxxxx1xx enter?play?status xxxx0xxx not?enter?pause?status xxxx1xxx enter?pause?status xxx0xxxx not?enter?pause?status xxx1xxxx enter?fast?forward?status xx0xxxxx not?enter?fast?backward?status xx1xxxxx enter?fast?backward?status x0xxxxxx not?enter?stop?status x1xxxxxx enter?stop?status 0xxxxxxx not?initialize?servo?parameter 8a 1xxxxxxx initialize?servo?parameter xxxxxxx0 1x,?2x?speed?switch?over. xxxxxxx1 1x,?2x?speeds?not?switch?over. xxxxxx0x not?find?the?set?target?and?playing. xxxxxx1x find?the?set?target?and?playing. xxxxx0xx servo?normal. xxxxx1xx servo?stop,?resuming. xxxx0xxx not?detect?no?disc xxxx1xxx detect?no?disc+ xxx0xxxx play?not?at?the?target?track. xxx1xxxx playing?at?the?target?track. xx0xxxxx open?cd?output. xx1xxxxx close?cd?output. x0xxxxxx 1x?speed?play?status. x1xxxxxx 2x?speed?play?status. 0xxxxxxx not?fast?forward?the?export?section?or?not?fast?backward?the?import?section. 8b 1xxxxxxx it?is?have?been?fast?forward?the?export?section?or?fast?backward?to?the?lay?in section?or?play?to?the?export?section. (to?be?continued)
SC9641 hangzhou?silan?microelectronics?co.,ltd rev:1.0???????2008.03.24 http:?www.silan.com.cn ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?10?of?15 (continued) command (hex) parameter (bin) function?descriptions xxxxx0xx tray_sw=0 9a xxxxx1xx tray_sw=1 a0 qcode0 ctrladr?(bcd)disc?mode?code. a1 qcode1 tno?(bcd)?tone?no. a2 qcode2 ix?(bcd)?index?no. a3 qcode3 rmin?(bcd)?relative?time-minute a4 qcode4 rsec?(bcd)?relative?time-second a5 qcode5 rsec?(bcd)?relative?time-?frame a6 qcode6 zero?(bcd) a7 qcode7 amin?(bcd)?absolute?time-minute a8 qcode8 asec?(bcd)?absolute?time-second a9 qcode9 aframe?(bcd)?absolute?time-frame aa qcode0~9 continue?read?ten?q?sub-code?(bcd?code),?this?command?is?active?in?the parallel?mode. dd 000xxxxx read? motor? speed? information,? normal? play:? b00010000,? stop? : b00000000 when? the? motor? is? accelerated? from? 0? to? stable? play,? if? it? is exceed?the?b00010000,?it?will?stabilization?at?b00010000.
SC9641 hangzhou?silan?microelectronics?co.,ltd rev:1.0???????2008.03.24 http:?www.silan.com.cn ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?11?of?15 3. cpu?interface?timing n ote: the?interface?protocol?adopt?fixed?communication?format.?every?frame?includes?24?bits,?where?16?bits?data?code, and?8?bits?verify?code. command?(8bits)?+?check(4bits)?+?data(8bits)?+?check(4bits) 4?bits?verify?code?is?obtained?from?high?4?bits?xor?low?4?bits?of?the?former?8?bits?code. the? 8? bits? data? code? is? the? master? controller? send? to? SC9641,? or? the? SC9641? request? read? code.? if? the command? not? set? value,? then? the? data? after? command? is?invalid,? but?the? data?cannot? omit.?? command and? data?send? code? from? msb? to? lsb.? SC9641?operation? according?the?master? controller? command? and?it? is single?initiative?communication.
SC9641 hangzhou?silan?microelectronics?co.,ltd rev:1.0???????2008.03.24 http:?www.silan.com.cn ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?12?of?15 4. interface?description mcu SC9641 data s tb ack da ta stb ack data?(pin?31):?synchronization?and?data?transmission. stb?(pin?32):??low?level?active. ack?(pin?33):?acknowledge?signal 1 master?controller?transmit?data 1)? the?master?controller? transmitted?data?is? command? or? parameter.? every?frame? of? data?transmit, the?master?controller?start? to? synchronize,? transmit? the?8? bits? command,? then?transmit? the? 4? bits? check data,?if?sub-controller?pass?the?check?data,?following?transmit?continuance?or?read?the?command. 2)? the? ack? send? out? acknowledge? signal,? if? the? sub-controller? received? data? is? match? to? check? data, ack?signal?become?low?indicate?the?check?passed;?if?it?is?not?match,?ack?signal?keep?high?level,? then exit?this?communicate.?the?master?controller?will?operating?with?the?ack?station,?the?data?line?keep?high when?checking?the?data. 3)? in? the? transmitting,? if? the? master? controller? or? sub-controller? not? response? the? request? in? some? time (t<1000us),?the? system? regard? this?transmit? error.? the?master? controller? will? exit? and? repeat? again? or produce?other?errors. 4)? in?the?transmitting,?the?master?controller?transmits?the?data?when?the?ack?is?low,?and?the?transmitted data?is?available?at?stb?is?high,?SC9641?complete?write?1?bit?after?ack?become?high. 2 master?controller?receive?data 1)? after?master? controller? transmitted?the?data? code,? the?sub-controller? check?the?8?bits?command,?if?it?is match? the? check? data,? then? send? the? request? data? to? master? controller.? the? stb? of? master? controller complete?this?process. 2)? after? transmit? the? 12? bits? data,? the? sub-controller? complete? this? communication.? the? master? controller check? the? 12? bits? data,? if? it? is? match? the? check? data,? this? communication? complete,? the? receive? data available.? and?if?it?is?not?match,?the?receive?data?invalid,?the?master?controller?transmit?the?read?again command,?but?it?won?t?transmit?check?data. 3)? in? the? receiving,? if? the? master? controller? or? sub-controller? not? response? the? request? in? some? time (t<1000us),? the? system? regard? this? receive? error.? the? master? controller? will? exit? and? repeat? again? or produce?other?error. 4)? in?the?receiving,?the?sub-controller?receive?the?data?when?the?ack?is?low,?and?the?data?is?read?out?at stb?is?high,?SC9641?complete?read?1?bit?after?ack?become?high.
SC9641 hangzhou?silan?microelectronics?co.,ltd rev:1.0???????2008.03.24 http:?www.silan.com.cn ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?13?of?15 5. parallel?communication?timing?waveform note:?wr? (pin? 31),? rd? (pin? 32)? is? controlled? by?system?(master?controller),? and? ack?(pin? 28)? is? controlled? by SC9641?(sub-controller),?normal?state?is?high?level,?and?data?is?controlled?by?all?above. 1)? write?mode:??ack_h a.?the?system?set?wr:?begin?to?write?operation:?msb?(t1). b.?the?system?wait?SC9641?acknowledge:?msb?(t2) c.?after?the?system?write?data?to?the?data?port,?set?the?wr:?lsb?(t3). d.?the?system?wait?for?the?response?of?SC9641:?lsb?(t4) (after?SC9641?read?the?data,?set?ack:?lsb) e.?after?write?one?byte,?according?to?the?a ? ?b ? ?c ? ?d?order?write?the?next?byte. 2)? read?mode:?ack_h a.?the?system?set?rd:?msb?(t1),?and?begin?to?read?operation. b.?the?system?wait?for?sc9461?response?ack:?msb?(t2)?(SC9641?set?ack?after?data?ready: msb) c.?after?the?system?read?out?the?data,?set?the?rd:?lsb?(t3). d.?the?system?wait?for?the?response?of?SC9641:?lsb?(t4). e.? after? read? one? byte,? according? to? the? a ? ?b ? ?c ? ? d? order? perform? the? next? byte? read operation. 3)? time?of?communication?protocol: a.?system?read?(sys?read): t2-t1:?>=7us t3-t2:?=5us?(typ.),?related?with?the?execute?speed?of?master?controller. t4-t3:?>=6us
SC9641 hangzhou?silan?microelectronics?co.,ltd rev:1.0???????2008.03.24 http:?www.silan.com.cn ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?14?of?15 b.?system?write?(sys?write): t2-t1:?>=6us t3-t2:?=5us?(typ.),?related?with?the?execute?speed?of?master?controller. t4-t3:?>=4us 4)? processor?of?communication?error. in? order? to? keep? the? communication? normally,? SC9641? design? the? error? process? in? the? program communicate? protocol.? during? the? communication,? the? max? time? of? SC9641? wait? system? command (wr,?rd)?is?130us,?if?the?wait?time?is?more?than?130us,?SC9641?regard?this?communication?error,?and end?this?operation,?wait?the?next?communication. typical?applications?circuit v s s a 1 v a d c v c o m e f d c a b v d d a 1 i o . 7 \ d a t a 7 v d d a 2 v s s a 2 i r r f r e e r f i n i d a t a t e s t i o . 0 \ d a t a 0 i o . 1 \ d a t a 1 i o . 2 \ d a t a 2 i o . 3 \ d a t a 3 i o . 4 \ d a t a 4 i o . 5 \ d a t a 5 i o . 6 \ d a t a 6 r v r e f v d d 0 v s s 0 v d d a r e s e t a c k
SC9641 hangzhou?silan?microelectronics?co.,ltd rev:1.0???????2008.03.24 http:?www.silan.com.cn ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?15?of?15 package?outline qfp-64-14x14-0.8 unit:?mm handling?mos?devices: electrostatic?charges?can?exist?in?many?things.?all?of?our?mos?devices?are?internally?protected?against electrostatic?discharge?but?they?can?be?damaged?if?the?following?precautions?are?not?taken: persons?at?a?work?bench?should?be?earthed?via?a?wrist?strap. equipment?cases?should?be?earthed. all?tools?used?during?assembly,?including?soldering?tools?and?solder?baths,?must?be?earthed. mos?devices?should?be?packed?for?dispatch?in?antistatic/conductive?containers. note:?silan?reserves?the?right?to?make?changes?without?notice?in?this?specification?for?the?improvement?of?the?design?and?performance. silan?will?supply?the?best?possible?product?for?customers.

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