Datasheet Summary
STM8S903K3 STM8S903F3
16 MHz STM8S 8-bit MCU, up to 8 Kbytes Flash, 1 Kbyte RAM, 640 bytes EEPROM,10-bit ADC, 2 timers, UART, SPI, I²C
- production data
Features
Core
- 16 MHz advanced STM8 core with Harvard architecture and 3-stage pipeline
- Extended instruction set
Memories
- 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
Clock, reset and supply management
- 2.95 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...