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?? VSS - ?????
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?? ??????:?????????4????
?? ALE/PROG:???????????/???EPROM???????
?? ALE?????????????P0????????8λ???
?? PROG??????????EPROM??о?????EPROM?????????????????????塣
?? PSEN:??ROM????????
?? RST/VPD:??λ/????????
?? RST??Reset?????????λ?????????
?? VPD???????Vcc???????????????????
?? EA/Vpp:????ROM???/???EPROM???????
?? EA?????????ROM?????
?? Vpp??????????EPROM??о?????EPROM?????????????Vpp??
?? I/O??
<?XML:NAMESPACE PREFIX = ST1 />
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1?? ???????????????????????????????5V???????????????40???????????????20????
2?? ?????·????????????????·????????????????????????????????????????????????????????????????18??19?????????????????????????????????????1??????ɡ?
3?? ??λ???????1?л?????????????λ??κ??弰???????????λ?????????????н????
4?? EA????EA????????????? ?????????????????????磬????????????????
?????????????????????????????????????LED??????????LED??????????????????????????????????????????????????????????????????????????????????5??????????35????????????LED??1?????????????1??????R1?????????裩
????????????????1??????????LED?????????1??????????LED???????????1?????????????????????????????????1?????????????????????????????1???????????????????????????????????????????????51о???INTEL?????????????????P1.0?????ǹ涨???????????????????
?1
????admin ?????????2018-05-08
