* Core * 16 MHz advanced STM8 core with Harvard architecture and 3-stage pipeline * Extended instruction set * Memories * Program memory: 8 Kbytes Flash; data retention 20 years at 55 °C after 10 kcycles * Data memory: 640 bytes true data EEPROM; endurance 300 kcycles * RAM: 1 Kbytes * Clock, reset and supply management * 2.95 to 5.5 V operating voltage * Flexible clock control, 4 master clock sourcesLow power crystal resonator oscillatorExternal clock inputInternal, user-trimmable 16 MHz RCInternal low-power 128 kHz RC * Clock security system with clock monitor * Power management:Low-power modes (wait, active-halt, halt)Switch-off peripheral clocks individually * Permanently active, low consumption power-on and power-down reset * Interrupt management * Nested interrupt controller with 32 interrupts * Up to 27 external interrupts on 6 vectors * Timers * Advanced control timer: 16-bit, 4 CAPCOM channels, 3 complementary outputs, dead-time insertion and flexible synchronization * 16-bit general purpose timer, with 3 CAPCOM channels (IC, OC or PWM) * 8-bit basic timer with 8-bit prescaler * Auto wake-up timer * Window watchdog and independent watchdog timers * Communication interfaces * UART with clock output for synchronous operation, SmartCard, IrDA, LIN master mode * SPI interface up to 8 Mbit/s * I2C interface up to 400 kbit/s * Analog to digital converter (ADC) * 10-bit, ±1 LSB ADC with up to 5 multiplexed channels, scan mode and analog watchdog * I/Os * Up to 28 I/Os on a 32-pin package including 21 high sink outputs * Highly robust I/O design, immune against current injection * Unique ID * 96-bit unique key for each device