Product Overview
The STM8S105K4T6C is an access-line 8-bit microcontroller from STMicroelectronics’ STM8S family, built around the advanced STM8 core with Harvard architecture and 3-stage pipeline delivering up to 16 MIPS. Featuring 16 KB of Flash program memory, 1 KB of true data EEPROM with 300k cycle endurance, and 2 KB of SRAM in an LQFP32 package, it offers a balanced combination of performance, features, and cost. The device integrates a rich peripheral set including a 7-channel 10-bit ADC, advanced control timer with motor control PWM capability, general purpose timers, and multiple communication interfaces. The wide 2.95V to 5.5V operating range and robust I/O design make it ideal for cost-sensitive industrial, consumer, and automotive applications.
Key Specifications
| Core | STM8S 8-bit, Harvard architecture |
| Maximum Frequency | 16 MHz |
| Flash Memory | 16 KB |
| RAM | 2 KB |
| EEPROM | 1 KB (true data EEPROM) |
| Supply Voltage | 2.95 V to 5.5 V |
| Operating Temperature | -40°C to +85°C |
| GPIO Count | 25 |
| ADC | 10-bit, 7 channels |
| Package | LQFP-32 (7×7 mm) |
Features
- Advanced STM8 core with 3-stage pipeline, 16 MIPS
- 16 KB Flash + 1 KB true data EEPROM (300k cycles)
- 2.95V to 5.5V wide operating voltage range
- Advanced control timer: 16-bit, 4 CAPCOM, 3 complementary outputs
- 2x 16-bit general purpose timers
- 8-bit basic timer + auto wake-up timer
- Window and independent watchdog timers
- 10-bit ADC with 7 channels and analog watchdog
- UART with SmartCard, IrDA, LIN master mode
- SPI up to 8 Mbit/s, I2C up to 400 Kbit/s
- Clock security system with clock monitor
- 96-bit unique ID, SWIM debug interface
Applications
- Industrial control and automation
- Consumer appliances and white goods
- Motor control and LED lighting
- Power supply management
- Automotive LIN sub-nodes
- User interface and keypad controllers
- Low-cost sensor nodes