Program memory: 8 Kbyte Flash; data retention 20 years at 55 °C after 10 kcycle

Data memory: 640 byte true data EEPROM; endurance 300 kcycle

RAM: 1 Kbyte

Low-power modes (wait, active-halt, halt)

Switch-off peripheral clocks individually

Low power crystal resonator oscillator

External clock input

Internal, user-trimmable 16 MHz RC

Internal low-power 128 kHz RC

2.95 to 5.5 V operating voltage

Flexible clock control, 4 master clock sources

Clock security system with clock monitor

Power management:

Permanently active, low-consumption power-on and power-down reset

Nested interrupt controller with 32 interrupts

Up to 28 external interrupts on 7 vectors

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

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

10-bit, ±1 LSB ADC with up to 7 multiplexed channels + 1 internal channel, scan mode and analog watchdog

Internal reference voltage measurement

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

Highly robust I/O design, immune against current injection

96-bit unique key for each device