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GM8141/2 ??y spi tm ??? uart ??1e??? y?y?2 2006.6 3??1??e?t1???
3??1??e?t1??? GM8141/2 y?y?2 ? 1 3 12 23 3 2006 ? 6 ?a GM8141/2 ????a? o 1.1 ?????? o 2006 ? 6 ?a ea???????? o ?? ????3y ???? ????3y ?a ? o??????a?? ? 22 24 8141 - so a???a sop20 ?1??e??? ? ??????????????o??a ? ??a?3??1??e?t1?????1??1????? ? ? ?????????? o www.gticc.com ? e?e? ? ???? o 2006 ? 6 ?a 3??1??e?t1???2? 2??? o 3?? 3??1??e?t1?????e ?
3??1??e?t1??? GM8141/2 y?y?2 ? 2 3 12 23 3 2006 ? 6 ?a ??a? 1 ??? ................................ ................................ ................................ ................................ .......... 3 2 ?? ................................ ................................ ................................ ................................ .......... 3 3 a??y??1|??? ................................ ................................ ................................ ............... 3 4 1|??? ................................ ................................ ................................ ................................ .. 5 4.1 spi ?? ................................ ................................ ................................ .................... 5 4.2 1??? ................................ ................................ ................................ ................... 5 4.2.1 ??2 ................................ ................................ ................................ ........... 5 4.2.2 1|????? ................................ ................................ ................................ ....... 6 4.3 uart ? ? ................................ ................................ ................................ ................ 10 4.4 ?e?? ................................ ................................ ................................ ........................ 10 4.5 shutdown ??? ................................ ................................ ................................ ...... 11 4.5.1 ?t shutdown ??t?2?? ................................ ................................ ........... 12 4.5.2 ?t shutdown ???e???t?2?? ................................ ............................... 12 4.5.3 2?t shutdown ??t?2?? ................................ ................................ ........... 12 4.5.4 2?t shutdown ??? e???t?2?? ................................ ............................... 12 4.5.5 ?t shutdown ?2?t shutdown ?????1?? ................................ .............. 12 4.5.6 ?t / 2?t shutdown e? ................................ ................................ ......... 12 4.6 irda ??? ................................ ................................ ................................ ................ 13 4.7 cs ????e?o????1????? ................................ ................................ ............... 13 4.8 a2????1|? ................................ ................................ ................................ ......... 14 4.9 ??? ................................ ................................ ................................ ........................ 14 4.10 ????|??a? ................................ ................................ ................................ ..... 15 5 2???e???? ................................ ................................ ................................ ........................ 18 6 2?y?? ................................ ................................ ................................ ................................ 18 6.1 ???t1??t ................................ ................................ ................................ ......... 18 6.2 ???1??t ................................ ................................ ................................ ......... 19 6.3 ??2?y ................................ ................................ ................................ ................. 19 6.4 spi ??2?y ................................ ................................ ................................ .......... 20 7 ?e3?? ................................ ................................ ................................ ................................ 20 7.1 dip16 a3??? ................................ ................................ ................................ . 20 7.2 dip20 a3??? ................................ ................................ ................................ . 21 7.3 sop20 a3??? ................................ ................................ ................................ 22
3??1??e?t1??? GM8141/2 y?y?2 ? 3 3 12 23 3 2006 ? 6 ?a 1 ??? ??e??????????? spi ????13 2 ?? ? GM8141 ? ? 4 ?? ? gm8142 ? ?? uart ? 2??????1??? o ????1???o1?2??? ? ????1???????e?????????2?a ? ??3oe??? ? ?o spi ????eey ?y? ? spi y?y?a 16bit ? ???e?? 8bit ?a??????????????o??e? ? ? ? 8bit ?a???y?y ? 1?2????? spi ???y?y?????????2?a ? ??3oe????? ??e???e ?? ?? spi ?? gm 8 14x ?y?y????e????ee ? ???????o ?1|?????????1 ? ??e????1????t??ee?? ? spi ???a???? ? ?????12?a ? y ?y??3????e???????t?? ? ???a2? mcu ? io e? ? e????1|o?? ? ?? ??????2 ? ??e????a2????? ? |? ?? ? 31??? ? o???y?????1ea?|? ? 2 ?? l 1y spi ????1 2 o 4 ?????? l 2.5v~6.5v ?1|??1?? l ?1|o? ? ??2?1|? l 1R??e?? l shutdown ???a2?y?????? l ?t shutdown 1|? l shutdown ????a3????2?? <100ua ? 3.3v 1|??1 ?? ??e???2?3?1y 25ms l ?y31????a <3ma ?1|? ? 3.3v 1|??1 ? l 1??? ? ??2?a ? ????e? ? y?y3? ? ?e???? ? ?e???? ? oa?? ? ??o??e????1y??????? ? 2??eaa2?y?? ? ????? io ? l ??????????y?y? 8 ?? fifo l ???? 16 ?? fifo ? a????y?y?? ? ??y?y?3? l 3.6864m ????a?????? 230400bps l ??y irda y?y??? l ???y?y1?21|? l ?3?2?a?2?e? 0.1% ? ??2?a?2??ee? 3.4% l ?1? dip ? sop ???a ? ?a???1????????? 3 a??y??1|??? GM8141/2 1? dip ? sop ????ae?? ? ?????y?????3?|???3????2?? ????a ? y????2???? 1 ?? o
3??1??e?t1??? GM8141/2 y?y?2 ? 4 3 12 23 3 2006 ? 6 ?a 1 2 3 4 5 6 7 8 9 10 12 11 13 14 15 16 osco osci cs sclk din dout rst gnd vdd shdn txd1 rxd1 txd2 rxd2 irq nc g m 8 1 4 1 - d p 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 osco osci cs sclk din dout rst gnd vdd irq shdn txd1 rxd1 txd2 rxd2 nc g m 8 1 4 1 - s o nc nc nc nc 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 osco osci cs sclk din dout rxd4 txd4 rst gnd vdd irq rxd3 txd3 shdn txd1 rxd1 txd2 rxd2 nc g m 8 1 4 2 - d p / s o ? 1 GM8141/2 y????2?? ??e?????y??1|????? 1 o 1 e???y??1|??? y???? ?? ?? osco out ?????3? ? osci in ?????? ? txd1 out ? 1 ????? ? rxd1 in ? 1 ?????? ? nc - - txd2 out ? 2 ????? ? rxd2 in ? 2 ?????? ? txd3 out ? 3 ????? ?? ?? gm8142 1? ? rxd3 in ? 3 ?????? ?? ?? gm8142 1? ? txd4 out ? 4 ????? ?? ?? gm8142 1? ? rxd4 in ? 4 ?????? ?? ?? gm8142 1? ? irq out ?e???3? ? ?ee ? open - drain ?3? ? ea? 30k ?-? ? gnd out ??? ? dout out spi ?eey?y?3? ? din in spi ?eey?y?? ? sclk in spi ?e?o??? ? rst in ???y?? ?
3??1??e?t1??? GM8141/2 y?y?2 ? 5 3 12 23 3 2006 ? 6 ?a shdn in ?????????y?? ? shdn=0 o e???????1|o??? 1??? ? shdn=1 o ?y31??? ? cs in chip select ? ????e?o? ? ???? spi ?eee? ? ?? ??ee ? ee? ? ?ee???????oy?y? ? ?te? ? e???2??| spi ??y?y? ? ???y3?? ??y?yo2?|?e?? ? vdd in ????1 ? 4 1|??? 4.1 spi ?? spi ????y?y??a 16bit ?y?y3? ? y?y???????y???a2??? ? y?y????e?o???a????a????? ? 16bit ?y?y?? cs ?a? ee ? ? cs - ??o ? ??y?y?? ? 2??y?y??ee?e??oeee???? ? ??a?a spi ??e? ? ?1?2?y ?? 20 ? 7 16 irq cs sclk tcss tscp tcsh tsch 1 1 x x x x x x x x x x x x x x r t x x x x x x x x x x x x x x tcl tch din dout ? 2 spi ??e? o spi ??e?e?????????1?? ? 4.2 1??? 4.2.1 ??2 ??e????2????e????1??? ? ?????2?a?? ? y?y??3o uart ? 9 ??1|????? ? ??21ye?2??1|?????????? ? ?????1|?????? ????y ? ?y?y ? a2? mcu 1y spi ???e???e?? 16bit ?y?y ? ???e?? 8 bit ?a?? ??????e?? ? ? 8bit ?a???y?y ? ??y?y ? ?e???????? 16bit ?y?y ? ???e?? 8bit ?a????????e?? ? ? 8bit ?a????y?y ? e????????1|??2|?o ? 1ya2? mcu ?e???e?? 16bit ?y?y??? ? ??y?y??? 2 ???21|????? ? ????? 2 o 3 ?
3??1??e?t1??? GM8141/2 y?y?2 ? 6 3 12 23 3 2006 ? 6 ?a 2 spi y?y??? bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 din mod1 mod0 x x x x x x x x x x x x x x dou t r t 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1????????? mod1 mod0 1|??? 1 1 e1|?????????? 0 1 ?1|?????????? 1 0 ?y?y??? 0 0 ??y?y??? 4.2.2 1|????? e????1??????e????1??? ? ?????????o????2?a?? ? ? e?????ee1???????????e? bit ???? 7 ? ??1|???????|?2??e2o?2 ? ??????y?y ? din ? bit11~bit12 ?ea???????? ?? ? dout ??oe? bit ????3??|???y?y ? 2|?y?y????? 4 ?? 6 ? 4 e1|????????? bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 din 1 1 shdn ps1 ps0 pm pem tm ir l p1 p0 b3 b2 b1 b0 dout r t 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 o 6 ?e3y? mod1,mod0,shdn 12 3 ???a????e????1|???a ? ??? pm,pem,tm,ir,l,p1,p 0,b3,b2,b1,b0 12 11 ???a??????1|??? . ? 2 o ?????ea????2?a??o ? ?|???2?a? ?ea2?a? 1bit ??3?o2? ? e ? 5 ?1|????????? bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 din 0 1 0 ps1 ps0 0 0 0 0 0 0 0 0 0 0 0 dout r t shdn 0 0 pm pem tm ir l p1 p0 b3 b2 b1 b0 6 ?? fifo ???????? bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 din 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 dout r t shdn 0 0 0 0 0 0 0 0 0 t4 t3 t2 t1 7 1|??????????? bit ?? ?? 1|??? b0~b3 0000 2?a??????? ? ????a?a 3.6864mhz ? ??2?a?
3??1??e?t1??? GM8141/2 y?y?2 ? 7 3 12 23 3 2006 ? 6 ?a 600bps~230.4kbps ? ???????2??? 10 ? ?2?a?a 76.8k bps ? p0~p1 00 e??????? ? e?????2??? 9 ? l 0 ??y?y??3???? ? ?a 0 ???y?y??3?a 10bit ? gm814x 2?|1|????? bit4 ? bit5 ? bit9 ? bit10 ???? ? ?a 1 ?y ?y??3?a 11bit ? ps0~ps1 00 ???? ? ???????? ? ??2??? 8 ? pm 0 ? p1 ? p0 ?a 11 ? |???????? ? 12 ?? y?y???2? y?y??????? ? ? 13 ?? ??y?y???? ? ?e?? 9 ??y ?yee ? ?a ? ?1? pm ?a ? 1 ? ? ? gm814x |??o??e?? ? ????????y?y? 9 ???1??a ? 1 ? ? ?????y?y??? fifo ?e ? ?1??a ? 0 ? ? ??a? ? 2???? fifo ? ?? ? ?1? pm ?a ? 0 ? ? ? ? gm814x 1?y?y??? ? ???????y?y2?1? 9 ?? ???a ? 1 ? ? ??????y?y??? fifo ?e???? spi ?? ? pem 0 e???y?y1ya????? ? ? pem= ? 1 ? ???e???1ya?1|? ? ? o ????? gm814x ?y?y?1?e?o????y?y?? ? ????a? 2??| ? ? pem= ? 0 ? ? 1??e???1ya?1|? ? ? o ??? ?? gm814x ?y?y2?1e?o ? ??y?y????? ? ?????? spi tm 0 ?y?y?e????2 ???? ? ? tm ?a 1 ? ???? fifo ?y?y?3o2??2 irq ?e?? ? ????2?e?????? (rst0~rst1 ) ? ir 0 irda e??y??????? ? ?a 0 ?????????e?a? e ? ?a 1 ?????????e?a irda ??ye??? ? shdn 0 ?t shutdown ???????? ? ?a 0 gm814x ????y31??? ? ?a 1 gm814x ???a1 o 1 o 3y???e????a ? ?1?? spi 1y?eay?y ? 2 o ?1?????eo spi ????y?y ? ????1o spi ????y?y ? 3 o ?1????y?? ????y?y ? 2??1??????? ? 4 o ????? fifo ?e?y?y? mcu ??? ? ????? fifo ?e ?y?y? txd ??? ? 3??1o ? ??? shutdown ??? ? ???????a ? gm814x ????3y?e??????|??y ? ???1|?????????y?y ? t1~t4 0 t1~t4 ?e??? 1 ?? 4 ?? fifo ???a????? ? ?a??? ??a 1 ? 2??a????a 0 ? ??a GM8141, ? t3 ? t4 ??a???? 0 ? 8 ?????????? ps1 ps0 1|??? ? 0 0 ?? 1 0 1 ?? 2 1 0 ?? 3 ?? GM8141 2?te 1 1 ?? 4 ?? GM8141 2?te
3??1??e?t1??? GM8141/2 y?y?2 ? 8 3 12 23 3 2006 ? 6 ?a 9 e????? l=1 p1 p0 e??? 1|??? 0 0 ??e? 0 1 ??e? ? spi ?? 16 ??y?y?e ? ? 8 ?? (do 7 ~do 0 ) ?ay?y?? ? ? 9 ?? (pt) ?a?te?? ? ????a ? 0 ? ? gm814x ?? 8 ??y?y??y p1 ? p0 ????ee???? e?o3y?y?? 9 ?? ? ???e??? ? ?1 ??12 11 ???????? ? ? ? ???? gm814x ?y?y??2e 11 ?? ? ??e??? ? ?1???a 9 ??y?y?? ? gm814x ??y p1 ? p 0 ????ee????e?o ? ?? 9 ??y ?y????ee?? ? ?1??? ? ?? dout ?? 16 ?????3? ? r ? ?? ? ?1?2?? ? ??e?? pem ?? o ? pem=0 ? ???y?y?? fifo ? 2???? pe o r ?? ? ? pem=1 ? ???y?y?a? ? 2?2????? pe o r ?? ? 1 0 ????1?? ??????a ? gm814x ?????? { ?a? +do 0 ~do 7+ ??????? } ?????eey?y? ? 1 1 ????? pt ? spi ?e?o??e pt ee ? gm814x ?? { ?a? +do 0 ~do 7+ pt + ?? } 12 11 ??????? ? ???????? s pi ?? 9 ??ee?y?y???? pr ?e??? spi ?? ? ??????? 7 ?e pm ??? ? 10 2?a?????? 1|????? 2?a ( ?| f osc ??t??a ) b 3 b2 b1 b0 1.8432mhz 3.6864mhz 7.3728mhz 14.7456mhz 0 0 0 0 38.4k 76.8k 153.6k 307.2k 0 0 0 1 19.2k 38.4k 76.8k 153.6k 0 0 1 0 9.6k 19.2k 38.4k 76.8k 0 0 1 1 4.8k 9.6 k 19.2k 38.4k 0 1 0 0 2.4k 4.8k 9.6k 19.2k 0 1 0 1 1.2k 2.4k 4.8k 9.6k 0 1 1 0 0.6k 1.2k 2.4k 4.8k 0 1 1 1 0.3k 0.6k 1.2k 2.4k 1 0 0 0 115.2k 230.4k 4 6 0.8 k 9 2 1.6 k 1 0 0 1 57.6k 115.2k 230.4k 4 6 0.8 k 1 0 1 0 28.8k 57.6k 115.2k 230.4k 1 0 1 1 14.4k 28 .8k 57.6k 115.2k 1 1 0 0 7.2k 14.4k 28.8k 57.6k ? [g1]:
3??1??e?t1??? GM8141/2 y?y?2 ? 9 3 12 23 3 2006 ? 6 ?a 1 1 0 1 3.6k 7.2k 14.4k 28.8k 1 1 1 0 1.8k 3.6k 7.2k 14.4k 1 1 1 1 0.9k 1.8k 3.6k 7.2k o ?e????a f osc ? 7.3728mhz ? 11 ?????????? rsr1/ rst1 rsr0/ rst0 ??o? ? 0 0 ?? 1 0 1 ?? 2 1 0 ?? 3 ?? GM8141 ???te 1 1 ?? 4 ?? GM8141 ???te gm814x ? spi ????? 16bit ?y?y ? ?e?y?y???? ? ??????????o ???y?y ?? 2e???y?y??????e ? ?o?o gm814x ???y?yo??? bit15 o bit14 ??? r o t ?? ? ?a2? mc u ?a? gm814x ?y?y???? ? ??ee?a? word ??2????? fifo ?e?y ?y ? 14 ?a?y?y????? ? 12 y?y???2?y?y??????? bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 din 1 0 sta ps1 ps0 0 0 pt do7 do6 do5 do4 do3 do2 do1 do0 dout r t rsr1 rsr0 rst1 rst0 pe pr di7 di6 di5 di4 di3 di2 di1 di0 13 ??y?y??????? bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 din 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 dout r t rsr1 rsr0 rst1 rst0 pe pr di7 di6 di5 di4 di3 di2 di1 di0 14 ?y?y?? bit ?? ?? 1| ? ? ? do0~do7 0x00 ??y?y pt 0 ??????e??? ? ? p0 ? p1 ???a???e?????? ? pt ?aa2? mcu ?????e??? ps0~ps1 00 ???? ? ?????y?y????? sta 0 send to all ???? ? ?a 1 ? ??y?y?1?2?????e???e ? gm814x 2??| rst0~rst1 ??y?y 15 ??y?y?? bit ?? ?? 1| ? ? ? di0~di7 0x00 ???y?y rsr0~rsr1 00 ??y?y????? ? ? r ee ? ??????????y?y???
3??1??e?t1??? GM8141/2 y?y?2 ? 10 3 12 23 3 2006 ? 6 ?a ?? ? ?????2??? 11 rst0~rst1 00 ????????e?????? ? ? t ee ? ???????y ?y?3? ???? ? ?????2??? 11 pr 0 ??y?y?? 9 ?? pe 0 parity error ? e??????? ? ? 1 ? ?ee t 0 ??????????? ? ? 1 ? ?ee r 0 y?y??ee???? ? ? 1 ? ee o ? gm814x ???????? fifo ?e???ty?y ? ???y?y? / ??? dout ?e? rst0~rst1 ?????2?y?????? fifo ?????o? ? 4.3 uart ?? gm814x ?????-?2??????1?? ? ? 3 ? ? 4 ?e?a???y?y2?1?? o??|??????a?y ?y??? ? 7 16 8 9 1 2 3 4 5 6 10 11 12 13 14 15 arbitrater sampler one baud period ? 3 uart 2?? d0 d1 d2 d3 d4 d5 d6 d7 idle start stop idle d0 d1 d2 d3 d4 d5 d6 d7 idle start stop idle pt d1 d2 d3 d4 d5 d6 d7 idle start stop idle stop d0 d0 d1 d2 d3 d4 d5 d6 d7 idle start stop idle parity l=1, p1=1, p0=0, l=1, p1=0, p0=x, l=1, p1=1, p0=1, l=0, p1=x, p0=x, ? 4 uart rx/tx y?y??? 4.4 ?e?? gm814x ???????e??1|? ? a? 16 ????to?? ? ?? irq ???-? ? 2?
3??1??e?t1??? GM8141/2 y?y?2 ? 11 3 12 23 3 2006 ? 6 ?a dout ?y?y?e?3??e??e?? ? ?a2? mcu 1y spi ??????e?????o?e????? ???1?e?? ? gm814x ??3y????e????2j-?? irq y?? ? ??1e????e??e?o? ? ??e?2?a????e?? ? -? irq y?? ? ?ya2? mcu ???a? ???e??e?o? ? 16 ?e????o?e???? bit ?? ?e???? ???? ?e??2??t ?? r y?y???e ? fifo ???y?yo ? ???? r ? 22 irq ?e?? ? ?? irq ?e??? mcu ?| ? ? mcu ?? gm814x ?? ee??1?2 ? ??y?y2????y?y2 ? o ? ???e??????3y ? ??? fifo ??1ey?y ? ??e????2ea? irq ?e??o???? r ? ?? fifo ??y?y??? ? t tm fifo ?e?y?y ?3 ? fifo ?a?? ? t=1 ? ?e?? fifo ??2??a?? ? t=0 ? ? fifo 2?????a?a??o ? 2 irq ?e?? ? ?? irq ?e??? mcu ?| ? ? mcu ?? gm814x ?? ee??1?2 ? ??y?y2????y?y2 ? o ? ???e??????3y ? 1 o ??????y?y????????1???? ? gm814x ????a?2?| ? 22? ??o??e???| ? 2 o ???? r ?e???o t ?e???2??e?? ? ?? irq ?e??? mcu ?| ? ? mcu ?? gm814x ??ee??1?2 ? ??y?y2????y?y2 ? o ? ???e??????3y ? r ?e??? t ?e??? irq ? 5 ?e??a??- 4.5 shutdown ??? ?1?? ??t shutdown ???a2? shdn y???-? ? gm814x ???? shutdown ? ? ? ???t shutdown 2 ? 2??? 7 ???1??? ? 2?t shutdown 2?? gm814x
3??1??e?t1??? GM8141/2 y?y?2 ? 12 3 12 23 3 2006 ? 6 ?a ?e?1?????e2 ? ???? shutdown ??? ? ??t shutdown ????a ? fifo ? ????? ? ?e???????????3y ? ? din ???? ? ? shdn=0 ? ? gm814x ????y31??? ? ? din ?????e? ? shdn=0 ? ??? ? ??? shdn y??-?? ? ?????? rxd ?e y?y?? ? |?t shutdown ??? ?? gm81 4x ?? 25ms ?????y31??? ? ?? rxd y?e???e? ? 2t?2 irq ?e?? ? ???y?y???3????? ? 4.5.1 ?t shutdown ??t?2?? 1) gm814x ?2?t shutdown e?o? shdn |????? ? 2) gm814x 2?|2?t shutdown ?? ? 3) ?a???2??? gm814x ? rx ??y?y ? 4) mcu 2??? gm814x ? spi ??y?y ? 5) mcu ??t shutdown ??? ? 6) ? gm814x ?? fifo ?eey?y ? mcu ea???ae?y?y??? ? 7) ?y gm814x ??? fifo ?e?y?y?? ? 8) ?? ??t shutdown ?? ? 4.5.2 ?t shutdown ???e???t?2?? 1) gm814x ?2?t shutdown e?o? shdn |????? ? 2) gm814x |?t shutdown ?? ? 3) mcu ??t shutdown ??e???? ? ????a???? gm814x ? rx ????e?y?y ? 4) gm814x ????e? ? 4.5.3 2?t shutdown ??t?2?? 1) gm814x 2?|?t shutdown ?? ? 2) mcu ?? gm814x ?2?t shutdown e?o? shdn ???a???? ? 3) ???2?t shutdown ?? ? 4.5.4 2?t shutdown ???e???t? 2?? 1) gm814x |2?t shutdown ?? ? 2) mcu ?? gm814x ?2?t shutdown e?o? shdn ???a????? ? 3) gm814x ????e? ? 4.5.5 ?t shutdown ?2?t shutdown ?????1?? 1) ?t shutdown ?2?t shutdown ????????1y3 ? 2) ?t shutdown ?2?t shutdown ???e????? ? 3) ?t shutdown ?????1y?t??e? ? 4) 2?t shutdown ?????1y2?t??e? ? 4.5.6 ?t / 2?t shutdown e?
3??1??e?t1??? GM8141/2 y?y?2 ? 13 3 12 23 3 2006 ? 6 ?a ? 6 ?t shutd own/ ??e?e? ? 7 2?t shutdown/ ??e?e? 17 shutdown 2?y parameter symbol min typ max unit shutdown state time t slp 17 - - us shutdown command to clk closed ts lc 17 - - us awake command to clk working t shc - - 25 ms 4.6 irda ??? irda ????a ? ??????????????a???2?????? 3/16 ? ?2?a?a 115.2kbps ????a ? ???????????a 1.6us ?? ???? ? y?y ? 0 ? ?a????? / ? a?3???ee?? ? ? tx ??? ? y?y ? 0 ? ????a??-? ? ??? rx ??? ? y?y ? 0 ? ?????a??-? ? normal.uart.tx irda.tx start stop 1 0 1 1 0 0 1 1 start stop 1 0 1 1 0 0 1 1 normal.uart.rx irda.rx data.bits uart.frame ? 8 irda e 4.7 cs ????e?o????1????? cs ????????? gm814x 1? spi ??? ? a2? mcu ????o???e?3?? gm814x ??????? ? ? cs ee? ? gm814x ??? spi ?????2?y?y ? ? cs ?te? ? gm814x ?1o spi ????y?y? ? ???????y3?????y?yo2 irq ?e??? 3? ? ??1|??e???? gm814x ?2ha1 ? ??1?????1|??? ? ?e??? ??????e???y?y ? a2? mcu ??|??? gm814x ??e??o ? ??2??e
3??1??e?t1??? GM8141/2 y?y?2 ? 14 3 12 23 3 2006 ? 6 ?a ???? gm814x ? ?o1y?? spie ??????????ee??????y?y?? ? 4.8 a2????1|? a2? mcu ?????a??1y? rst y??2???????1??e?????? ? ? ??oe? ???2??e buffer o??????y?y???????? ? o ?e??????o??? ? ?????????? ? ??1?????y?y?l?? ? invalid invalid valid gm814x rst ten parameter symbol min typ max unit enable time,rst ? to gm814x valid t en 300 - - us ? 9 ???e 4.9 ??? gm814x ?????a?e|??a?a 3.6864 mhz ??? 7.3728 mhz ? ?a??aa????? a??e?? ?? ? gm814x 22pf 22pf 7.3728mhz ? 10 a2???????a
3??1??e?t1??? GM8141/2 y?y?2 ? 15 3 12 23 3 2006 ? 6 ?a 4.10 ????|??a? gm8142 mcu 22pf 22pf 7.3728mhz txd1 rxd1 txd2 rxd2 txd3 rxd3 txd4 rxd4 din dout scl k spi bus cs irq 5v typical operating circuit 5v 10k ? 11 ?e|?
3??1??e?t1??? GM8141/2 y?y?2 ? 16 3 12 23 3 2006 ? 6 ?a gm8142 txd1 rxd1 txd2 rxd2 txd3 rxd3 txd4 rxd4 din dout sclk vcc 6n136 2k 470 |? vcc 6n136 2k 470 |? vcc 6n136 2k 470 |? 6n136 2k vcc 470 |? 6n136 2k vcc 470 |? 5v dout sclk din irq cs cs irq ? 12 1a???y?|?
3??1??e?t1??? GM8141/2 y?y?2 ? 17 3 12 23 3 2006 ? 6 ?a gm814x 22pf 22pf 7.3728mhz txd rxd din dout sclk spi bus cs irq 5v gm814x 22pf 22pf 7.3728mhz rxd txd din dout sclk spi bus cs irq 5v 2k 2k 5v 5v 470 |? 470 |? ? 13 ???1a????y?|? gm814x 22pf 22pf 7.3728mhz txd rxd din dout sclk spi bus cs irq 5v txd rxd irms6118 or hsdl-1001 ? 14 oa??|?
3??1??e?t1??? GM8141/2 y?y?2 ? 18 3 12 23 3 2006 ? 6 ?a gm814x 22pf 22pf 7.3728mhz txd rxd din dout sclk spi bus cs irq 5v 100 |? 5v 0.1uf 10k 330 |? irled irled direct ? 15 ???y? led |? 5 2???e???? gm814x ??e2?????1? GM8141 o gm8142 ???eo? ? 2???e2??? 18 ? ?? ? 18 2?e eo? ??y a GM8141 - dp 2 dip16 GM8141 - so 2 sop20 gm8142 - dp 4 dip20 gm8142 - so 4 sop20 6 2?y?? 6.1 ???t1??t ????1 - 0.5 ?? 7 ? ????1 - 0.5 ?? v dd + 0.5 ? ?3???1 - 0.5 ?? v dd + 0.5 ? ???a? ? stg - 65 ?? ? 150 ?? 1?a? ? a - 50 ?? ? 120 ??
3??1??e?t1??? GM8141/2 y?y?2 ? 19 3 12 23 3 2006 ? 6 ?a esd ???1 2.5kv 6.2 ???1??t 19 ???1??t ? o? 2? y ? e? ? ? ? ?? v cc ????1 ? v i ????1 0 v cc ? v o ?3???1 0 v cc ? t a 1?a? - 40 +85 ?? 6.3 ??2?y 20 ??2?y parameter symbol min typ max unit logic inputs (din, sclk, cs, shdn, rx) input high voltage v ih 0.7 x v dd - - v input low voltage v il - - 0.3 x v dd v input leakage i il - - 1 0 a input capacitan ce c in - 5 - pf oscillator input ( osci ) input high voltage v ih 0.7 x v dd v dd / 2 - v input low voltage v il - - 0. 2 x v dd v input current i in - - 20 a input capacitance c in - 5 - pf outputs (dout, tx) outp ut high voltage v oh (i oh = 8ma) v dd - 0.5 - - v output low voltage v o l (i ol = - 8ma) - - 0.4 v output leakage i l k - - 1 0 a output capacitance c out - 5 - pf irq output (open drain) output low voltage v o l - - 0.4 v output leakage i l k - - 1 0 a output capacitance c out - 5 - pf power requirements ? vdd=3.3v ? v dd supply current in normal mode i dd v dd =3.3v - - 3 ma v dd supply current in shutdown i dd v dd =3.3v - - 100 ua supply voltage v dd 2.5 - 6.5 v
3??1??e?t1??? GM8141/2 y?y?2 ? 20 3 12 23 3 2006 ? 6 ?a 6.4 spi ??2?y 21 spi ??2?y parameter symbol min typ max unit cs low to the first sclk time tcss 0.4 a - - us sclk period tscp 1 0 0 - - ns cs high time tcsh 0.4 a - - us the f inal sclk to cs high time tsch 0.4 a - - us sclk high time tch 50 - - ns sclk low time tcl 50 - - ns 1 o a ??????a?a 7.3728mhz ??t?a?? 2 o ?a?1?? rx 2??????y?y?????????? ? spi ??o?????eaa ???a1??2???aly?y?a o 10 tcss + 16*tscp + tcsh + tsch > ??????2?a??o 7 ?e3?? 7.1 dip16 a3? ??
3??1??e?t1??? GM8141/2 y?y?2 ? 21 3 12 23 3 2006 ? 6 ?a 7.2 dip20 a3???
3??1??e?t1??? GM8141/2 y?y?2 ? 22 3 12 23 3 2006 ? 6 ?a 7.3 sop20 a3???
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