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l(f)ڣ[2009-10-14]    [3577]ΡЇ늚ЈُW(wng)[EM39.com]{pԄӝL}
      1

ĿǰͱИI(y)y(tng)ӹ(sh)˼Qֹa(chn)Ʒ|(zh)(wn)a(chn)Чʵڄӏȴ󣬏UƷʸ

ϵy(tng)njһN늻𻨙CO(sh)ӋؓO늷ʽS~ķ_ӹĿġͨ^ԇõS~ĺēpֵóҪļӹȣӹȫҪ˼ӹٶȣC˼ӹȫȡ˂y(tng)Lĥӹ

2O(sh)Ӌ˼

(j)ӹˇӹą(sh)ɲM늙C(q)늘OƄҪʴ_Ԅӌrɘ׃M늙CĹlԿƲM늙CMo˷Ҫڼӹ^(j)ԇõĺēpֵò̷팦늘OMЌr@ǿɰ݆늙Cɵ(j)ͬĴļӹȡ(yng)lԼ\еIJ(sh)乤߉݋

(1)څM߹ЧʣڹbúM늙C횿څMӹı档

(2)˻أӹAõļӹM늙C˻صʼλ

(3)ĥڼӹߴë߹ЧxΪMдּӹּӹrM늙CԴĥٶMoͬrͨ^׃늉ГQƷ늻𻨣늿߼ӹٶȡ

(4)ĥӹߴ^С˱CĽǶȺ͹❍ȣþĥķʽĥr늻Сӹ늉ͣ@Ҳͨ^ܛ^ГQӹ늉ͷ݌F(xin)

(5)־ĥϵy(tng)Mд־ĥӹһ_ʼӹrôĥӹһԃ(ni)(3z)ϵy(tng)ԄD(zhun)Qӹ@Ӽ˼ӹٶȣֱC˾Ⱥ͹❍ϵy(tng)ڃɷNӹʽܿƻ𻨷

҂xIJM늙C(45BF3)늘OMo(q)ӲƵIJM늙CD(zhun)(M)D(zhun)(˵)ͣD(zhun)NʽD(zhun)ָвͬ\l(M˵ٶ)ҪM˵ٶǸ(j)ܛM{(dio)M늙C@MAABBBCCCAAͿɌF(xin)D(zhun)֮AACCBCBABAͿɌF(xin)D(zhun)ݔB(ti)ʼKֲ׃늙CҲֹͣ\8031P1ڵP10P11P1

늙C@M_\зʽ

ڼӹ^ͬrҪƼӹ늉ГQޏͼӹ늘OrҪГQ늙C늉@ЩܛƸ^һĕr_]F(xin)

3ϵy(tng)ӲO(sh)Ӌ

ϵy(tng)ӲĂֽM8031ƬC2764EPROMԼ74LS373MɵĻϵy(tng)(q)·ɘ·@ʾcIP·@ҪBϵy(tng)(q)·

31ϵy(tng)

ϵy(tng)O(sh)5λ@ʾ7I@ʾքe@ʾӹģʽB(ti)O(sh)ֵӹʣ߂Iքe飺λͣʮλÔ(sh)λλÔ(sh)λÔ(sh)Iӹģʽx񣬮Ô(sh)Iúɽoʮλ͂(sh)Ô(sh)ӹģʽxxĥ־ĥӹʽܛЌ199zļӹ(j)һD(zhun)QP(gun)ϵD(zhun)Q(yng)Ĕ(sh)(j)һУڼӹr(j)ͬļӹȡ(yng)ıеĔ(sh)(j)

ôݔ롢ݔλĴ74LSl64BLED@ʾcIP

32(q)·

8031P1ݔ(sh)(j)ͨ^74LS07(q)ʹM늙CD(zhun)]ϵy(tng)ڼӹ^иߵlݗ估F(xin)늾W(wng)ĸɔ_˲ù늸x

P10ݔƽt74LS071_ݔƽ˕rO܌ͨl(f)OҲͨOTҲͨʹ@Mܵ24Vļ֮tx@M늉OD1oðl(f)OD2ָʾ늙CÿĹB(ti)ҲSގ㣬ͬӿóP1λݔ74LS373Ҳ^ĿƻԺUչá

4ϵy(tng)ܛD

ϵy(tng)늏λ8000HԪ_ʼ(zh)гMϵy(tng)ʼȻM@ʾ{(dio)úI輰I̎Ô(sh)I󣬿Ɍʮλλ{(dio)O(sh)(yng)ļӹ(sh)Iϵy(tng)ӶrДMӹB(ti)ӹɺ@ʾB(ti)˵늘O˻صԭλ

(j)M늙CD(zhun)ĿƠB(ti)_(yng)ĿȻһУڳи(j)ӹĠB(ti)ȡ(yng)ĿݔM늙CIJM(sh)ҲǸ(j)M늙CIJM늘Oĺēpϵy(tng)_(yng)Ŀƅ(sh)199zĿƔ(sh)һڼӹrc(yng)ĆԪMб^M늙CD(zhun)ٵĿͨ^׃r(sh)팍F(xin)ٶȵ{(dio)
O(sh)Ӌܛ^߀M˸ɔ_Ԅӱoʩڳ\Еr8031Ķrۙ򣬮rrõλڸɔ_ʹer܉ʹ򷵻صecĶʹ^m(x)\

5Y(ji)Z

ϵy(tng)ijͱÏSͶʹ`ԓϵy(tng)ܿɿҲܷoI(y)@Ľ(jng)Ч


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