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ĸQoC(j)ϵy(tng)O(sh)ӋԭO(sh)Ӌ
l(f)rg2011-11-24 11:43:14

1 Ŀǰ(ni)SSa(chn)늄ӶSĸQoC(j)Qo_(d)a(chn)Ҫܲ(wn)Ҫԭǣ(sh)ùI(y)ӋC(j)ӸN忨MɿƺÿɾPLC@ɷN΢C(j)PLC푑(yng)ٶݱӰ푔Qo

ԓϵy(tng)÷ֲʽY(ji)(gu)_l(f)89C51ĵλf(xi){(dio)ԪSƆԪڔQo^ÿԪԱC푑(yng)λԪ(j)ˇҪf(xi){(dio)SgQoEͬrôͨcӋC(j)QϢȱC˔Qo־ӋC(j)O(jin)ؼ(sh)(j)

2ϵy(tng)(gu)ɼԭ 늄ӶSĸQoC(j)ϵy(tng)Ę(gu)ɣʮSϵy(tng)ӋC(j)O(sh)ÔQoš(sh)QoD(zhun)ʼŤD(zhun)ֵŤֵҪ`ȣϵy(tng)(ni)(sh)ϵy(tng)ÿQo^ʹõٶNo(h)(sh)(sh)(j)ݔ?sh)gȣMI(y)Յf(xi){(dio)Ԫ͵ĸSQo^̼QoY(ji)딵(sh)(j)ДQoY(ji)IJҼӡܣՅf(xi){(dio)Ԫ͵ָSQo^r@ʾЃrֵɸ(j)ҪӲPSr{(dio)@ʾ/p>

?ӳŤ½^̼crڷQoIJϺͼӹrӋC(j)߀|(zh)ܛ(j)惦ĔQoY(ji)Ӌij¡ջĔQo|(zh)ֲDֱD(j)惦ĔQoY(ji)ˇҪO(sh)IJɘӷֽMֵB(ti)ֲ㷨ӋQo|(zh)څ݈DUCLLCLCpCpkȷֵ@ʾӡָ(do)a(chn)⚈ƷijF(xin)

f(xi){(dio)ԪзʧRAM惦ϵy(tng)š(sh)̓(ni)(sh)䱾펧LED(sh)aܺСIP@ʾ޸@Щ(sh)ϵy(tng)늻򅢔(sh)׃r(sh)ͨ^ÿƆԪf(xi){(dio)ԪД(sh)ݔڽԄӔQo̖ͶSQo̖ݔ룬ڗlMrͨ^ƆԪl(f)Qoָf(xi){(dio)Ԫѭh(hun)ƆԪĠB(ti)(dng)ԪB(ti)l(f)׃rͨ^пӋC(j)ʹSĠB(ti)ԄӔQo^̽Y(ji)r@ʾΔQoǷɹI(y)y(tng)Ӌ(sh)ԄӔQo^бO(jin)ҕSĠB(ti)ȫ_(d)D(zhun)Ťؕrl(f)ͬD(zhun)ǔQoָ(j)(sh)O(sh)ԄӔQo^жrxȡָSĔQoӑB(ti)ŤغͽǶֵͨ^пڂͽoӋC(j)

ƆԪ(ni)O(sh)һƬ8155ڴ惦(sh)̈́ӑB(ti)ֵf(xi){(dio)Ԫͨ^M(jn)x8155RAM(dng)QoB(ti)l(f)׃rf(xi){(dio)Ԫ(dng)ǰĠB(ti)ŤؼǶȌRAMʹf(xi){(dio)ԪrxƆԪLED(sh)aŔ(sh)aքe@ʾ(dng)ǰŤغͽǶQoY(ji)r@ʾΔQoY(ji)LED@ʾԴD(zhun)D(zhun)QoY(ji)ŤظɹŤصͣƆԪĔ(sh)ݔڽՆSD(zhun)Qo̖ģMݔڽՆSęzyԪ̎Ťݔ룬ݔɽŷԪl̎ĽǶ}_̖ӋD(zhun)(sh)ݔģMݔݔ̖oŷԪŷ늙C(j)ɔQo^ 3ϵy(tng)Ҫg(sh)c 3.1 ԶxČF(xin) ϵy(tng)ֲʽY(ji)(gu)ĺϵy(tng)

څf(xi){(dio)ԪcƆԪ֮gͨcǿƆԪɔQoֲ^̣f(xi){(dio)ԪƔQoEƆԪĔ(sh)(j)͵ӋC(j)]@һcƬC(j)89C51YԴrO(sh)ӋԹ8155256ֹ(ji)RAMĵĿY(ji)(gu)

D2f(xi){(dio)Ԫ·ԭDĿӿڲ(dng)f(xi){(dio)ԪҪxijһƆԪrȸ(j)GAL16V874LS273ַS̖0-31Ϳʹ̖ZBE74LS273iȻzƆԪķ̖ANSǷЧƽЧ󼴿ɸ(j)GAL16V8ĿRAMČַx˿ƆԪ8155ă(ni)ݡ

ƆԪ·ԭDĿӿڲ8155RAMǹYԴ횱Cf(xi){(dio)ԪͿƆԪͬrx

څf(xi){(dio)Ԫ8155RAMx(ni)^Ոrgǰ(yu)ȵԭtռɹtȴY(ji)ƆԪO(sh)Гܴa_P(gun)DIP1O(sh)ÿƆԪS̖

(dng)ʹBEЧZ0-Z4S̖cܴa_P(gun)O(sh)һ•r74HC521ݔZHCSЧ89C51(j)ZHCS̖zyf(xi){(dio)Ԫռ8155ͬrGAL16V8Mϳ̖iU2ʹU5U6ЧƆԪ8155xrșzyZHCSǷЧЧtȴY(ji)oЧtl(f)RMZYiANSݔ

˱ͬrzy_ͻƆԪ(yng)ȴ4ZHCSǷF(xin)F(xin)(yng)ȡRMZY̖ȴf(xi){(dio)ԪxY(ji)^m(x)m(x)

f(xi){(dio)Ԫx8155r_J(rn)ANSЧҲ(yng)ȴ4ԱCxĿɿ 3.2 ͨеČF(xin) ڶSQo^څf(xi){(dio)ԪҪӋC(j)ÿSĔQoB(ti)ͬr߀Ҫ(sh)(j)˱_һͨž_^(q)

ϵy(tng)(gu)һͨʽʹͨŲЧɿM(jn)ȶxͨŸʽϵy(tng)ͨŞֹ(ji)ʽһֹ(ji)(bio)RaD0-FFڶֹ(ji)ֹ(ji)锵(sh)(j)E0-EAһ̖Sʮ̖S(sh)(j)һֹ(ji)Ťֵڶֹ(ji)Ƕֵ

RAM_256ֹ(ji)ͨž_^(q)ͬrxָᘺָ͂(dng)ɂָȕrf]Д(sh)(j)Ҫ(dng)Д(sh)(j)͕rCPU(sh)(j)(dng)ǰָо_^(q)޸Ĵָ(dng)пڰl(f)ͼĴՕrCPUzָcָᘣ粻ȄtĂָλȡһֹ(ji)l(f)ͬr޸Ăָ

 

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