?????????????IoT??????汸????????????????? ?????STM32L5???????
- ??Arm TrustZone?????????????а??????????PSA 2?????
- ??????????????????????????????????????????
- ???????????????????????????????
?й???2020??2??14??– ???????????????????????????幩?????????(STMicroelectronics,???ST; ??????????????:STM) ?????????????????STM32L5x2??г?????????????(MCU)??????????????????????????????
STM32L5???MCU??????????110MHz??????????Arm TrustZone®????????????Arm® Cortex®-M33 32λRISC???????????????????????????????????豸??????????????豸???????????????????豸???????????????????????д???????????????洢??????????????????л?????????κ????????豸????????????????????????????????????????л?????
??????????????????????????TrustZone?????????????????????????I/O?????????????????SRAM?洢?????????????е??????????????????????????豸?????????????????????TrustZone????????????????SRAM??????????д????????????????????????????AES 128/256λ?????????????????(PKA)?????????????????????AES-128???????(OTFDEC)??STM32L5??????????????????????????????????????? STM32L5?????PSA 2???????
Arm??????????????????????Thomas Ensergueix ?????“?????????????????豸???????????????????????????????????STM32L5???????????????????????Arm Cortex-M33????????PSA?????????豸????????????????????????豸?????????????????”
??????Щ?????????????????????????廹???????м?????????е???????????????磬??????????????????????????????????????????????????????????????????磬?????????????????磬???????????????????????????VDD????????????Ч???????????????????????????????????????????????ULPMark??????????????370 ULPMark-CoreProfile??54 ULPMark-PeripheralProfile(1.8V???????)??ULP??Mark??EEMBC?????????????????????????????????????Ч??????
???????????????????????Ricardo De Sa Earp?????“ST??MCU?г???????????????С????????????????????????????????????????????????м???????????????????????????????????????MCU????????????????ú??????????????????????ST???????????????????????????????Arm TrustZone????????????????????????????????????????????????STM32???????????STM32L5x2 MCU??????????????????????????????????????????????????IoT???????????”
STM32L5x2 MCU??512 KB??????棬??????д?????????????豸??????????????У????(ECC)????????????????????256KB SRAM???????????洢?????????????????????????SPI??Hyperbus ?????SRAM????SRAM??PSRAM??NOR??NAND??FRAM?洢??????
STM32L5x2??????????????????????USB Full Speed??????????????????1.8V???????????????USB???????????????????USB Type-C 1.2???USB Power Delivery 3.0??淶??UCPD???????????????????????????????????(ADC)?????????????????????(DAC)??????????????????????????????????????????????????????????????????·?????????????(PGA)?????
STM32L5????????г??????STM32 MCU??????壬??????STM32???????????????????????STM32CubeL5??????????????а??????????????????????FreeRTOS??Trusted Firmware-M(TF-M)????????????????????(SBSFU)??USB-PD?豸????????MbedTLS??MbedCrypto??FatFS????????????????????????????STM32CubeL5????300???????????????????STM32L552E-EV?????塢STM32L562E-DK????????NUCLEO-L552ZE-Q???????????Щ?????????????ArmKeil®?????????IAR??STM32CubeIDE????????????????????STM32CubeMX??????????????????????????????????????
STM32L5x2 MCU????????????????????????????汾?????????????????(-40°C?? +85°C)????????????°?(-40°C??+ 125°C)??
??? https://blog.st.com/stm32l5-trustzone-security/ ??????????
STM32???????????????????STMicroelectronics International NV????????????/????????????????????????/??δ???????????? STM32????????????????
????admin ?????????2020-06-12
