The STM8S003F3/K3 value line 8-bit microcontrollers offer 8 Kbytes of Flash program memory, plus integrated true data EEPROM. The STM8S003F3/K3 value line devices provide the following benefits: performance, robustness and reduced system cost. Device performance and robustness are ensured by true data EEPROM supporting up to 100000 write/erase cycles, advanced core and peripherals made in a state-of-the-art technology at 16 MHz clock frequency, robust I/Os, independent watchdogs with separate clock source, and a clock security system.
Key Features

Core

16 MHz advanced STM8 core with Harvard architecture and 3-stage pipeline
Extended instruction set

Memories

Program memory: 8 Kbyte Flash memory; data retention 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 cycles

Clock, 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-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 wakeup timer
Window and independent watchdog timers

Communications 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 ADC, +- 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

Development support

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

Resources
Datasheet