STM8S103F2 STM8S103F3 STM8S103K3 Access line, 16 M.
STMicroelectronics
STM8S103F3 - 16MHz STM8S 8-bit MCU
STM8S103F2 STM8S103F3 STM8S103K3 Access line, 16 MHz STM8S 8-bit MCU, up to 8 Kbytes Flash, data EEPROM,10-bit ADC, 3 timers, UART, SPI, I²C Datasheet.