ST STM32U3
The STM32U3 family consists of ultra-low-power microcontrollers based on the Arm Cortex-M33 core. NuttX currently supports the STM32U3C5 with TrustZone disabled.
Supported MCUs
MCU |
Support |
Notes |
|---|---|---|
STM32U3C5 |
Yes |
2 MiB Flash, 640 KiB SRAM |
Peripheral Support
The following list indicates peripherals supported in NuttX:
Peripheral |
Support |
|---|---|
RCC |
Yes |
GPIO |
Yes |
EXTI |
Yes |
USART/UART |
Yes |
LPUART |
Yes |
ADC |
No |
ADF |
No |
AES |
No |
CCB |
No |
COMP |
No |
CRC |
No |
CRS |
No |
DAC |
No |
DBGMCU |
No |
DLYB |
No |
FDCAN |
No |
FLASH |
No |
GPDMA |
No |
GTZC |
No |
HASH |
No |
HSP |
No |
I2C |
No |
I3C |
No |
ICACHE |
No |
IWDG |
No |
LPTIM |
No |
OCTOSPI |
No |
OPAMP |
No |
PKA |
No |
PWR |
No |
RAMCFG |
No |
RNG |
No |
RTC |
No |
SAES |
No |
SAI |
No |
SDMMC |
No |
SPI/I2S |
No |
SYSCFG |
No |
TAMP |
No |
TIM |
No |
TSC |
No |
USB_DRD_FS |
No |
VREFBUF |
No |
WWDG |
No |
References
[RM0487] STMicroelectronics, STM32U3 series Arm-based 32-bit MCUs.