STMicroelectronics STM8S103F3U6TR, 8bit 8 bit MCU Microcontroller, STM8, 16MHz, 8 Kbyte Flash, 20-Pin UFQFPN

The STMicroelectronics microcontroller , This microcontroller performance and robustness are ensured by advanced core and peripherals made in a state-of-the-art technology, a 16 MHz clock frequency, robust I/Os, independent watchdogs with separate clock source, and a clock security system.

Reset and supply management
Clock security system with clock monitor
Window watchdog and independent watchdog timers