M480 ?????????? Trust Boot????????ο??????е?????????????
???????? M480 ???????????Trust Boot
???????ο??????е?????????????
Secure Bootloader
M480???? Secure Bootloader ?????д????????????????????????????????????????????????????????????д?????????????????????????ICP Tool?????M480??У???????????????Bootloader??????????????????????趨?????????????????????????(?????д??????????)???????????????APROM??LDROM??SPIM????
???????????????????????Secure Bootloaderλ??????????????APROM??LDROM????SPIM?????????????????????????????????????????????????APROM??LDROM????????????г??????С?
?????????????????и??????????????????????????Secure ISP Tool???HSUSBD??UART 1??????????????????????IC???и????
???????????????????????????????ο?????????????????????????壬??????????????????????Trust Boot????????????????????????????????豸???????????????????????????????????????????????е??豸?????????????????????????????
???????Secure Bootloader???????
?ж?????п????????????????
????????????????????????
????????д????Hash???????
???????3???????CPU??????Bootloader??????д?δ????????????????HSUSBD??UART1 command????????????Secure ISP Tool???и??????
M480 ???
NuMicro® M480 ???????????????? Arm® Cortex®-M4F ????????????? 192 MHz ?????????????? 130 ??A/MHz??RTC ??????????? 500 nA????? DSP ????????????? (FPU??Floating-Point Unit)??????????? 256 KB ????? eXecute-Only-Memory (XOM)??????????????????????SRAM ????? 128 KB??????????????????? (Retention) ???????????? 32 KB SRAM ??????? 10 ??A??????????????
???????? M480 ???????????Trust Boot
???????ο??????е?????????????
Secure Bootloader
M480???? Secure Bootloader ?????д????????????????????????????????????????????????????????????д?????????????????????????ICP Tool?????M480??У???????????????Bootloader??????????????????????趨?????????????????????????(?????д??????????)???????????????APROM??LDROM??SPIM????
???????????????????????Secure Bootloaderλ??????????????APROM??LDROM????SPIM?????????????????????????????????????????????????APROM??LDROM????????????г??????С?
?????????????????и??????????????????????????Secure ISP Tool???HSUSBD??UART 1??????????????????????IC???и????
???????????????????????????????ο?????????????????????????壬??????????????????????Trust Boot????????????????????????????????豸???????????????????????????????????????????????е??豸?????????????????????????????
???????Secure Bootloader???????
?ж?????п????????????????
????????????????????????
????????д????Hash???????
???????3???????CPU??????Bootloader??????д?δ????????????????HSUSBD??UART1 command????????????Secure ISP Tool???и??????
M480 ???
NuMicro® M480 ???????????????? Arm® Cortex®-M4F ????????????? 192 MHz ?????????????? 130 ??A/MHz??RTC ??????????? 500 nA????? DSP ????????????? (FPU??Floating-Point Unit)??????????? 256 KB ????? eXecute-Only-Memory (XOM)??????????????????????SRAM ????? 128 KB??????????????????? (Retention) ???????????? 32 KB SRAM ??????? 10 ??A??????????????
????zzy ?????????2021-12-31
