8051??????????
?????????????????????????????8051????????Щ?????????????????????????????8051??????????????????????????8051?????????塣
8051???????????1981?????????8λ????о??????????????MCS-51??о???????INTEL?????MCS51???????????????????????????????8051???????????????????8051??????????о????????1T8051??е??????
???8051??????????
8051????????????????????????????У?
8?????о??8051???о???5????????rom?洢????c????????cmos?????5???????1???о?????????????С??
??80??????????У???51???????????1?????????洢????С
eg??51:1??4k=4k
52:2??4k=8k
????8051??????????????????????
8086??16λ?????CPU,8051??8λ????????????????????????????????????8051?????CPU???????????RAM??ROM?????????I/O??????????:8086??CPU??8051????????---8255?????????????I/O???о???
????admin ?????????2017-11-16
