?a òa

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1??ü×?￡o2???μ??ú X-Y1¤×÷ì¨ μ￥???ú ?￠?????÷


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?a òa I
ABSTRACT II
1 ?°?? 1
1.1 ??ìaéè???D??±3?°oíòaò? 1
1.2 ?D??μ??úèY 1
1.3 ?D??μ???ê??·?? 1
2 ×üì?·?°?μ?è·?¨ 2
2.1 ?úDμ′??ˉ2??tμ????? 2
2.1.1 μ?1ì?±μ???ó? 2
2.1.2 ?????Y???±μ???ó? 2
2.1.3 ???ù×°??μ???ó? 2
2.1.4 ??·tμ??ˉ?úμ???ó? 2
2.1.5 ?ì2a×°??μ???ó? 2
2.2 ?????μí3μ?éè?? 3
2.3 ????×üì?·?°?í? 3
2.4 ±???D??á 3
3 ?úDμ′??ˉ2??tμ?????ó?éè?? 4
3.1 μ?1ìé?ò??ˉ2??tμ???á?1à?? 4
3.2 ?3?÷á|μ????? 4
3.3 ?±??1??ˉμ?1ì?±μ?????ó???Dí 4
3.3.1 ???é3Dêü1¤×÷??oéFmaxμ??????°μ?1ìDío?μ???è? 4
3.3.2 ?àà????¨êù?üLμ????? 5
3.4 1??é???ü?Y???±μ?????ó???Dí 5
3.4.1 ×?′ó1¤×÷??oéFmμ????? 5
3.4.2 ×?′ó?ˉ??oéFQμ????? 5
3.4.3 3???Dío? 5
3.4.4 ′??ˉD§?ê|?μ????? 6
3.4.5 ???èμ??é?? 6
3.4.6 ?1???è?¨D?D￡o? 6
3.5 2???μ??ˉ?ú???ù??μ???ó? 6
3.6 2???μ??ˉ?úμ?????oí??Dí 7
3.6.1 ?????ó?ú2???μ??ˉ?ú×a?áé?μ?×ü×a?ˉ1?á?Jeq 7
3.6.2 ?????ó?ú2???μ??ˉ?ú×a?áé?μ?μèD§?o??×a??Teq 7
3.6.3 2???μ??ˉ?ú×?′ó?2×a??μ????¨ 9
3.6.4 2???μ??ˉ?úμ?D??üD￡o? 9
3.7 ??á?ê???×a±à???÷μ???ó? 10
3.8 ????????′??ˉ?μí3ê?òaí? 11
3.9 ±???D??á 11
4 ?????μí3ó2?tμ??·éè?? 12
4.1 ?????μí3?￠?????÷μ?????ó?ê1ó? 12
4.1.1 AT89C52μ￥???ú?÷òaD??ü2?êy?°1|?üì?D? 12
4.1.2 AT89C52μ￥???úμ?òy??1|?ü 14
4.1.3 AT89C52μ￥???ú?′??μ??· 16
4.1.4 AT89C52μ￥???ú??μ′μ??· 16
4.2 ?????μí3μ?μ??′éè??ó????? 17
4.2.1 ?????μí3μ?μ??′ó2?t?-àíí? 17
4.2.2 ??à?μ??′μ????? 17
4.2.3 ?????μí3μ?μ??′éè??ààDí???? 18
4.2.4 AT89C52?°??à??1D???μ??′éè?? 18
4.2.5 TLP521-11a??o??÷ê?è???μ??′éè?? 20
4.3 1aμ???à?μ??·éè?? 21
4.3.1 1a??o??÷μ???ó? 21
4.3.2 TLP521-11a??o??÷μ??÷òa2?êy?°1¤×÷2?êy 21
4.4 ?a1?á?ê?è?í¨μàμ??·éè?? 22
4.4.1 ?a1?á?ê?è?í¨μà×üì?ó2?tμ??·í? 23
4.4.2 ?a1?á?ê?è?í¨μàμ??··??? 23
4.5 I/O?ó?úD???μ?ó|ó?μ??·éè?? 23
4.5.1 74LS373à??18??2￠DDê?3??ú 23
4.5.2 74LS244à??18??2￠DDê?3??ú 24
4.5.3 74LS240à??18??2￠DDê?3??ú 24
4.5.4 8255A?é±à3ì2￠DDê?3? 24
4.6 2???μ??ú?????μí3éè?? 28
4.6.1 2???μ??úμ?1¤×÷?-àí 28
4.6.2 2???μ??ú??3?·???D?o?μ?éè?? 29
4.6.3 2???μ??ˉ?úμ??y?ˉμ??′ 30
4.6.4 2???μ??ˉ?ú?????μí3μ??·í? 31
4.7 ?ü?ìó?LED??ê?μ??·éè?? 31
4.7.1 ?ü?ìμ??·éè?? 31
4.7.2 ??ê?μ??·éè?? 32
4.8 ±???D??á 34
5 ·????????μí3ó2?tμ??·éè?? 35
5.1 Proteus?ò?é 35
5.2 Keil?ò?é 35
5.3 ·????????μí3ó2?t?-àíí? 35
5.4 ±???D??á 36
6 ?????μí3è??ú?ó?úèí?téè?? 37
6.1 ?ü?ìó???ê?×@@ìDò 37
6.1.1 ?ü?ìó???ê?×@@ìDòá÷3ìí? 37
6.1.2 ?ü?ìó???ê?×@@ìDò?-àí 37
6.2 ??ê?3ìDò 37
6.2.1 ??ê?3ìDòá÷3ìí? 37
6.2.2 ??ê?3ìDòá÷3ìí??aêí 37
6.2.3 LED??ê??-àí 38
6.3 ?ü?ìé¨?è3ìDò 39
6.3.1 ?ü?ìé¨?è3ìDòá÷3ìí? 39
6.3.2 ?ü?ìé¨?è3ìDò?aêí 39
6.4 ±???D??á 39
7 ?á??ó??1í? 41
2??????× 42
?? ?? 43
????A è??ú????3ìDò 43
????B ía?????×·-ò??-?? 47
????C ía?????×·-ò?ò??? 52




?°??
1.1 ??ìaéè???D??±3?°oíòaò?
??×???′úD??￠??ê?μ?·￠?1￡????ìòμμ?μ?á??ì?ù·￠?1￡?′ùê1?úDμ?ó1¤??ê?·￠éúé??ìμ?±??ˉ￡??óòμ2?μ?×·?ó??D§?êμ?éú2ú?￡ê?￡??ü×·?ó??±ê×?μ??êá?òa?ó￡?òò′??aê1μ??úDμéè±?μ?1|?üòa?ó??à′????′ó￡????á11?°1|?ü????ò2±?μ??′?ó?￡?ùò??ü1?éè??3?1|?üè????￠D§?ê???￠?í?1D???￡??ó1¤???è??μ??úDμ?ó1¤éè±?ê????ìòμ?D×???òaμ???ìa??ò?￡??ò??′?′??D??μ???ìa?aX-Yêy??1¤×÷ì¨ê?óú?????ü?ó1¤μ?o?D?2??t￡??üμ?′??ˉ2??tμ??¨?????è?±?óó°?ì?μí3μ??ó1¤???è?￡


2??????×
[1] òü????￡??úμ?ò?ì??ˉ?μí3éè????3ìéè????μ?êé[M]￡?±±??￡o?úDμ1¤òμ3?°?é?￡?2007￡?9-190￡?
[2] à?èa?a￡?μ￥???ú?-àíó?ó|ó?êμày·???[M]￡?±±??￡o±±??o???o?ìì′ó?§3?°?é?￡?2009￡?7-235￡?
[3] à?è?à?￡?3ùèù??￡?μ￥???ú?-àí?°?ó?ú??ê?[M]￡?±±??￡o??μè?ìóy3?°?é?￡?2004￡?16-30￡?
[4] à??à??￡?μ??·oíμ?×ó??ê?￡¨??￡?[M]￡?±±??￡o±±??àí1¤′ó?§3?°?é?￡?2004￡?140-142￡?
[5] ???÷áá￡?ì??°??￡?51μ￥???úó|ó?éè??ó?·???￡o?ùóúKeil Có?Proteus [M]￡?±±??￡o±±??o???o?ìì′ó?§3?°?é?￡?2009￡?2-143￡?
[6] áo?°?-￡???ó??è￡??úμ?ò?ì??ˉ??ê?ó??μí3[M]￡?±±??￡o?úDμ1¤òμ3?°?é?￡?2006￡?106-110￡?
[7] ???μ??￡??úμ?ò?ì??ˉ?μí3éè??ó?ó|ó?[M]￡?±±??￡o±±??àí1¤′ó?§3?°?é?￡?2006￡?201-212￡?
[8] ??òúé?￡?á??÷ó?￡??úμ?ò?ì??ˉ1¤3ìרòμ??3ìêμ?ù?ì3ì[M]￡?o?·ê￡oo?·ê1¤òμ′ó?§3?°?é?￡?2007￡?180-185￡?
[9] ?üèó?°￡???à??è￡?á?ó3..