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壕侔断尤墉到埒澧伊IBM AT婿兔彳并信倒利噫MC146818B DS1287J娓咐嬉盘乖侔娘彳并嘶卓博断画尤喷J10封侣赛堀孑包佥嗦凳侔仍阮利埒伶喷嗽彳并哀偃疥［奢嗪噂嗦嫣喷喝宥噂翻奠箜丹侣鹤贡2100〜〜ST〜〜〜乐亚嫁倍蠡宕呢灌呢位加嚓短兔唉客奠箜U BCD娘兔疥取宥宕讣奇宕娘兔土兄先122411IX12D11AM PM断好婷雷吁廛峰讣1做蜒嫁赐端兔取宥尉夜坤翁加倍官尉夜偿嫁MOTOROLA INTEL一坐！再崩J128RAM尊蒯［客［宕切但嗦-14II I尊蒯堰赐-114RAM做丙仁倪士分彳么J却］震实俞朝云圃咔哀姬悻…伶咔堂姬伟灾俞尉夜利嘴夹俞口熊宥做丙仁实俞/IRQ-宫嗪废案俞伶122ms500ms-困客修商蒯坟卖俞UOT VccsowNC蚊管官/坤勤偿蜴尉夜ADQKAD7ENC坟鹿奄NCI AD1NC蚊尉夜蜥樊娇婷MDT M3KMLV INTEL3CS炊暖娇牙蚊ALEAD3蚊婢尉夜博尤墉/般蚊婢AD4OSR WINTEL DSINITLAD5NC尉夜博尤墉蚊偿堞奠兑蚊夹/RD RESETIRQ丽ADS俞哪噗圻彳么AD7ASGND GS蚊倪圻彳么24-PiN eNCAPSULATEDPACKAGESQW J蚊隹娱MC+5蚊侔娱传CNDerwinrommel@21cn.com买尤堤墉伊厥僻协埃1DS12887回隹/侥隹彳巨VCC像端
4.25V200ms晶IX量暖题蜒丫盘乖仁妍买尤〃彳巨VCC倍端
4.25VIX畲暖伴端奏冉寡蜒焊娘饼场噫勤墩奂埋焊娘土用么亿像杂寡蜒〃彳巨侑端B VVIIX8!VCC3V畲暖剌封伴《傍隹倪士卜嘲冠墉嫌院乖隹仍傍侔QIX信制像唏彳巨伞副窗伶Vcc府1彳并圮MOTOROLA尉夜困妍〃（尉夜峰讣娇婷）回岑到合修灌乒制®娴剔并圮尉夜［®妍QMOT IIXINTEL（倪圻俗-彳巨倍端咐娘尤婷QSQW JVCC
4.25VB1宫嗪废灾俞吃兔倪灾俞哩吃］J3t1切但嗦实彳并［宕堞A I宫嗪夹俞宫嗪分彳么哩吃PI SQWtRS3RS2RS1RS00000擞墩
00013.90625ms256Hz
00107.8125ms128Hz
0011122.070Ns
8.192kHz
0100244.14ms
4.096kHz
0101488.281因
2.048kHz
0110976.5625Ms
1.024kHz
01111.953125ms512Hz
10003.90625ms256Hz
0017.8125ms128Hz
1101015.625ms64Hz
101131.25ms32Hz
0062.5ms16Hz1101125ms8Hz111110250ms4Hz1111500ms2Hz（炯夯坤翁加修官偿赐尉夜）AD0-AD7（传官重但）AS—ALEDS DataStrobe orRead Input-RD彳巨壳埸坏场并圮尉夜哗讣尤巨塔堪奂［犬孑宗婢座INTEL HIXDSY41^^1^^12887尉夜圻彳么坤勤奠兑夜婢但寒嗦畲暖间丫＜尤奠兑夜0QRD OER/W（Read/Write Input）-WR（暖娇均噫）cs-cs彳巨倍端伦院乖力守俣盘乖《并买尤Q伞客兔但丫Vcc
4.25VIHIXDS12887L CSRAM冉嗟卯0B（突俞哪口巽圻彳么）-IRQ彳巨灾俞寡蜒堞兔俣嫁伊实俞嬷妈堞娘奂彳并圻彳么介墉侑口偿堞兔俐切BIIXIRQ BC但感蜒嘲仲IRQ实俞奠兑Q咐娘实俞IXIRQ亿像杂寡蜒IX嗓垂灾俞娱采做蜒僻期伶但嗦实俞尉夜间0嫡端圮吠胤圻彳么洋蜒妃威基期间高隹杂0IRQ IX偿士梁偿堞制俣客哮牖、墩奂Q壳埸间侔］偿堞副威介僧隹嵩RESET HI〜RAM gB蜒回200msDS12887乜断蜒掠亘倒］尤CH巨偿堞倒墉俏丹嘟Vcc像端IIX蜒博嘶卓倏圃/
4.25V宫嗪灾俞嬷妈堞嘲A.PIE
0.唉客灾俞嬷妈壕嘲B.AIE
0.修商填灾俞并实堞嘲C.IA UF
0.夹俞琳巽寡蜒豆夫士梁嘲D.IRQF
0.彳巨墉俏乒做买尤.F.RESET DS12887宫嗪夹俞并穴堞嘲E.PF
0.唉客灾俞井夫士梁嘲G.AF
0.亿像杂寡蜒.H.IRQ.倪圻彳么嬷妈堞嘲1J SQWE
0.修商填△夹俞姨妈堞嘲J.UIE
0.埴亘嘶卓博＜〈偿堞V RESETVI兔侔娱VVccVI恭制0传官偃乓堤圮侪传官偃乓堤旱娘传官卤尊崩随婚尊蒯赐端干娱展］却2DS12887U114RAM〜10噂羸唉客彳并蜒凳再蒯侪置宕~寡蜒焊堪尊蒯但做蜒婶仲蜒博饼嘶卓T〜RAM4RAMQ博…期俐奏Q切但嗦墉央俐Q
1.C〜D.切但嗦饼例墉夫俐02A7哀尊蒯彳并像堞墉突俐
03.却噂嬴兔唉客嘱娼H T蜿蜒埴健俐姓嫁彳并但件嗦型饵去力、哮矗奠箜倒鹿奏姓嫁彳并但件嗦囱宅11CH B1噂点兔唉客彳并坤翁加莫讣Table2传官像唏圄副宕做端倍副宕坤翁加年讣坤翁加年土卜BCD0哀0-5900-3B00-591哀唉客0-5900-3B00-592偃客0-5900-3B00-593偃客唉客0-5900-3B00-59疥［5V121宕VI1-1201-0C AM,81-8C PM01-12AM,81-92PM4奇［f|V24廛|宕VI0-2300-1700-23m唉客V121D宕VI1-1201-0C AM,81-8C PM01-12AM,81-92PM5困唉客V24HI宕VI0-2300-1700-236奢嗪V奢嗪望=1VI1-700-0700-077嚓喙1-3101-OF1-318嫣偶1-1201-0C1-129口贡0-9900-6300-99沏哮〜a傍始［RAM尊蒯用奔嬉废埴踢咐堪摩屯像唏酗绅押兹俐奏0114HI RAMIX切但嗦婚饱偌［宕切但嗦墩遁蜒咽鬼DS12887I IX偃客唉客兔哀唉客但圮她无咔哀实俞嬉侔QIX切但嗦ABIT7BIT6BIT5BIT4BIT3BIT2BIT1BITOUIP DV2DVI DV0RS3RS2RSI RSOdWW森僧堞OxcO—Oxff墉埠购并坤O喇暴疥ffl唉客墉OxcO—OxffIX她先实俞娘侔〃嗨傣疥困咔唉疥客兔偃客唉客但圮她先咔偃客夹俞嬉侔〃喔像疥困唉客〜OxcO—OxffIXUIP修商堞蜴卯邪穴畲暖圮供出剌蠡潇修商0UIP11彳巨堞墉修商出剌勿圣〃UIP1m IX巨塔墉加光娓皮团院畲暖乒准修商伞［仇客~嶂翻兔唉客奠箜断蜒1OBIIX244Pts IX511堰健俐奏姓嫁彳并再蒯津但兔囱宅0堞墉突俐堞丹嘟乒玩偿堞奠兑并焯天恒健《切但嗦夹彳并堞囱UIP VRESETVH CHB SET宅墉班蜒力守修商丹剌堞嘲1L UIPonDVO,DV1,DV2子堞圮蜴卯勿儒荔堀孑包佥嗦兔偿堞偃哩嗦03[巨召堀胞佥嗦勿嗣丹嘟介（客孀褊〃[DV0DV1DV2]=
[010][SlIX B8[巨赛堀抱佥嗦勿嗣作偃皇嗦介偿堞寡蜒0[DV0DV1DV2]=[11X][S]IX IXII BRS3,RS2,RS1,RS0尤城N
1.囱宅宫嗪夹俞嬷妈堞VPIEVI〃
2.囱宅倪J玲彳么嬷妈堞VSQWEVI〃取堞埋廛囱宅墉娘奂丹嘟囱宅口皇吃〃
3.1口琴乖力守Q
4.L叩彳么古断堰偏切但嗦好嬉彳并宫嗪夹俞彳并嗅吃兔倪彳并嗅啊0子饱彳悉做俐3n RSJ奏伊堞乒玩偿堞奠兑伊焯天Q切但嗦BBIT7BIT6BIT5BIT4BIT3BIT2BIT1BITOSET PIEAIE UIESQWE DM24/12DSE右像堞森僧堞SET[巨畲暖修商捺亘蠡愉〃SET=OIX彳巨畲暖修商丫加守0SET=1IX堞朝俐奏丹乒准玩偿堞奠兑彳并焯天0SET IXPIE彳巨PIE=OIX扎守宫嗪灾俞扮彳么伶IRQ〃彳巨PIE=1IX嬷妈宫嗪灾俞圻彳么伶IRQ OAIE彳巨AIE=OIX力L守唉客夹俞士用么伶IRQ〃[巨嬷妈唉客卖俞士分彳么伶AIE=1IX IRQQUIE彳巨UIE=OIX扎守修商副坟夹俞圻彳么倍IRQ〃彳巨UIE=1IX嬷妈修商蒯坟夹俞圻彳么伶伞堞婢偿堞灌囱宅墉像困嘲IRQQ SET00SQWE彳巨制墉侑〃SQWE=OIXSQW彳巨均依囱彳局口皇口牙并倪SQWE=1IXSQW JaDM倍蠡［宕〃DM=OIX I伞堞乒玩偿堞奠兑焯天QDM=11XBCDO伞堞墉］宕〃墉疥11X24101X12ffll24/12DSE鄙子嬷妈井穴Q婶饱埸并例嬉偲奢嗪喇并客侨伶〃婢111:59:59AMiX513:00:00AM圄嫣侏徐忿姬彳悉奢嗪口朝并客侨伶1:59:59AMiX gl1:00:00AM0切但嗦CBIT7BIT6BIT5BIT4BIT3BIT2BIT1BITOIRQF PFAF UF0000彳巨堪蜒博嘶卓实彳并嬉宥濯击宥倏圃IX灾俞哪口巽井大堞VIRQFVI宅像/IRQFPF=PIE=1AF=AIE=1UF=UIE=1IRQF=PF•PIE+AF•AIE+UF•UIE姆佚墉像制圻彳么侑QIRQF IRQ墀娘井大堞婢俐切但嗦濯偿堞能嘲C00PF宫嗪夹俞井穴QAF唉客夹俞井穴QUF修商夹俞井穴nBIT0THROUGH BIT3例梁伶例堞墩嫁乒唏奏噫突俐嘟俐彳么伊完念墉ot3ix ixon切但嗦D林修堞就侑堞BIT7BIT6BIT5BIT4BIT3BIT2BIT1BITOVRT0000000VRT彳巨无吃宅侔仍唏变克加伞知并坤枷并孑宗噢废勘乒唏孳古0VRT=0gm IXB1RAM BBIT6THROUGH BIT0例堞倍例堞擞嫁突俐嘟俐彳么彳并完念墉6IX IX00。
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