51??????????ú????
????32λ????ARMδ??????????????????紐?????51?????????????????????????????????????????ò????51?????????????????檔???????????????51????????????????????????51???????о??????????????????С?????????51??????????????????????????????8λ????????????????????????
????51??????????????
????51?????????????????
??????8λCPU??4kbytes ????洢????ROM?? ??52?8K??
??????256bytes??????洢????RAM?? ??52??384bytes??RAM??
??????32??I/O?????111?????????????????
??????21????ü????
??????2????????/????????5???ж????2?????????52??6????
?????????????????????
????????????洢????????64kB
????????????洢????????64kB
?????????????λ?????????????40PinDIP???
?????????+5V???????
????CPU????????????????????????????ж????????????????????;
????RAM????????????д???????????????м?????????????????????????;
????ROM????????????Щ??????????;
????I/O??????8λ????I/O????????????????????????;
????T/C?????????/???????????????????????????????????????;
????????ж?????ж??????;
???????????UART???????????????????????I/O????????????????????????????????????;
?????????????????????·????????????????????????????????12M??
????admin ?????????2018-05-08
