STMicroelectronics STM32H503RBT7 ARM微控制器 高性能，Arm Cortex-M33，MCU 128KB闪存，32KB RAM，250 MHz CPU

Core: ARM Cortex M33

I/O Voltage: 1.71 V to 3.6 V

Data RAM Size: 32 kB

Data RAM Type: SRAM

ADC Resolution: 12 bit

DAC Resolution: 12 bit

Data Bus Width: 32 bit

Interface Type: CAN, I2C, LIN, SCI, SMBus, SPI, UART, USART, USB

Mounting Style: SMD/SMT

Number of I/Os: 49 I/O

Watchdog Timers: Watchdog Timer, Windowed

Moisture Sensitive: Yes

Program Memory Size: 128 kB

Program Memory Type: Flash

Supply Voltage - Max: 3.6 V

Supply Voltage - Min: 1.71 V

Analog Supply Voltage: 1.62 V to 3.6 V

Number of ADC Channels: 17 Channel

Maximum Clock Frequency: 250 MHz

Operating Supply Voltage: 1.71 V to 3.6 V

Number of Timers/Counters: 10 Timer

Maximum Operating Temperature: + 105 C

Minimum Operating Temperature: - 40 C