16 MHz advanced STM8 core with Harvard architecture and 3-stage pipeline, Program memory: 8 Kbyte Flash memory; data retention 20 years at 55 °C after 100 cycles, RAM: 1 Kbyte , Data memory: 128 bytes, Embedded single-wire interface module (SWIM) for fast on-chip programming and nonintrusive debugging, 10-bit ADC, ± 1 LSB ADC with up to 5 multiplexed channels, scan mode and analog watchdog