STMicroelectronics STM32L031G4U6TR MCUs ultra-low-power Arm Cortex-M0+ MCU 16-Kbytes of Flash , 32 MHz CPU

Core: ARM Cortex M0+

Data RAM Size: 8 kB

Data RAM Type: SRAM

Data ROM Size: 1 kB

Data ROM Type: EEPROM

ADC Resolution: 12 bit

Data Bus Width: 32 bit

Interface Type: I2C, SPI, USART

Mounting Style: SMD/SMT

Number of I/Os: 21 I/O

Watchdog Timers: Watchdog Timer, Windowed

Moisture Sensitive: Yes

Program Memory Size: 16 kB

Program Memory Type: Flash

Supply Voltage - Max: 3.6 V

Supply Voltage - Min: 1.8 V

Number of ADC Channels: 10 Channel

Maximum Clock Frequency: 32 MHz

Maximum Operating Temperature: + 85 C

Minimum Operating Temperature: - 40 C