STM32G031x4/x6/x8 Arm® Cortex®-M0+ 32-bit MCU, .
STMicroelectronics
STM32G031C4 - Arm Cortex-M0+ 32-bit MCU
STM32G031x4/x6/x8 Arm® Cortex®-M0+ 32-bit MCU, up to 64 KB Flash, 8 KB RAM, 2x USART, timers, ADC, comm. I/Fs, 1.7-3.6V Datasheet - production data .