This document describes the features and characteristics of the STM8S105xx Access line, including a 16 MHz STM8S 8-bit MCU, up to 32 Kbytes Flash memory, integrated EEPROM, 10-bit ADC, timers, UART, SPI, and I²C communication interfaces.
The STM8S105xx is an 8-bit microcontroller based on the 16 MHz advanced STM8 core with Harvard architecture and a 3-stage pipeline. It offers up to 32 Kbytes of Flash program memory, 1 Kbytes of true data EEPROM with 300 kcycles endurance, and up to 2 Kbytes of RAM. The device operates with a voltage range of 2.95 V to 5.5 V and includes flexible clock control with four master clock sources, including an internal 16 MHz RC oscillator.
| Core Frequency | 16 MHz |
|---|---|
| Program Memory | up to 32 Kbytes |
| Data EEPROM | up to 1 Kbytes |
| RAM | Up to 2 Kbytes |
| Operating Voltage | 2.95 V to 5.5 V |
| ADC Resolution | 10-bit |
| SPI Speed | up to 8 Mbit/s |
| I2C Speed | up to 400 Kbit/s |
| Interrupts | 32 interrupts |
| Timers | 2x 16-bit general purpose timers |
The operating voltage range is 2.95 V to 5.5 V.
The device provides up to 32 Kbytes of Flash program memory.
The SPI interface supports speeds up to 8 Mbit/s.
Yes, it includes a 10-bit ADC with up to 10 multiplexed channels.