STM32??AHB?????APB2?????APB1??????Щ?????
??????????STM32??AHB?????APB2?????APB1??????Щ????????
??ν???????????о????洢?? ????I/O???????????????????????????????
?????????????????????????C????????????????????????????????????????ü???????????
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?????з???????P2^0 =0xFF; TMOD =0xFF???????????????????????????????????
????????????????????????????Cortex-M3????????????????Cortex-M3??32??????????????????????С?2^32
bit=4GB??(??????32???????????????????????????ó???4G????????)
???APB2???????????????ε?????磺0x4001 0000—XXXX
?????????\STM32 ????\????III??\??5?? ???????? \LED????????.pdf??????
?????
?????????豸?д??????????????·???е?????????????????ǹ???????????÷?????????????е????????????·??????????·??????·??????????÷??????????
??????????????????(bus)??????????????????
?????п????????????????????????????????????????????????????????????????CPU???????棬???????????????????????????????ν32λ?????????????CPU????????????32???????????????????????????(0??1)???????????2??32?η????????檔???????????????????CPU?????????????ж????????????????????????У?32λ?????????????????CPU??????32??????????????????????????????????32λ??????????ξ???????2???????????
CPU?е?λ?????CPU??????δ?????????????????32λCPU??ο??????32λ???????64λCPU??ο??????64λ???????
64λCPU????????64λ?????????????????????32λ??????????????????δ????????????????λ?????????CPU??λ??
??????????????????? ?????? ?????
????admin ?????????2018-05-18
