Features：

Core

• 16 MHz advanced STM8 core with Harvardarchitecture and 3-stage pipeline

• Extended instruction set

Memories

• Program memory: 8 Kbyte Flash memory; dataretention 20 years at 55 °C after 100 cycles

• RAM: 1 Kbyte

• Data memory: 128 bytes true data EEPROM;endurance up to 100 k write/erase cyclesClock, reset and supply management

• 2.95 V to 5.5 V operating voltage

• Flexible clock control, 4 master clock sources

– Low-power crystal resonator oscillator

– External clock input

– Internal, user-trimmable 16 MHz RC

– Internal 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-consumptionpower-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 CAPCOMchannels, 3 complementary outputs, dead-timeinsertion and flexible synchronization

• 16-bit general purpose timer, with 3 CAPCOMchannels (IC, OC or PWM)

• 8-bit basic timer with 8-bit prescaler

• Auto wakeup timer

• Window and independent watchdog timers

Communications interfaces

• UART with clock output for synchronousoperation, 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 ADC, ± 1 LSB ADC with up to 5multiplexed channels, scan mode and analogwatchdog

I/Os

• Up to 28 I/Os on a 32-pin package including 21high-sink outputs

• Highly robust I/O design, immune againstcurrent injection

Development support

• Embedded single-wire interface module(SWIM) for fast on-chip programming and nonintrusive debugging