STM8 Development ARM Core Board – STM8S105K4T6

Product Description

The STM8S105K4T6 Development Board is a compact, affordable, and reliable development platform built around the STM8S105 8-bit microcontroller from STMicroelectronics. With up to 32KB Flash, 1KB EEPROM, and 2KB RAM, this board offers robust memory options for embedded applications.

Designed for low-cost, high-performance development, it includes a wide range of peripherals such as multiple timers, ADC, SPI, I²C, UART, watchdogs, and power management features. The integrated true EEPROM supports up to 300,000 erase/write cycles, ensuring long-term data retention.

Whether you are a beginner exploring 8-bit MCUs or a professional working on cost-sensitive projects, the STM8S105K4T6 development board is an excellent choice for learning, prototyping, and product development.

Specifications

• MCU Chip: STM8S105K4T6

• Working Voltage: 3V – 5.5V

• Flash Memory: Up to 32KB (20 years data retention at 10k erase cycles under 55°C)

• EEPROM: 1KB true EEPROM, up to 300,000 erase/write cycles

• SRAM: 2KB

• Clock System:

  • 4 main clock sources (flexible control)

  • Internal 16 MHz RC oscillator (user adjustable)

  • Internal 128 kHz low-power RC oscillator

  • External low-power crystal oscillator

  • Clock security system with monitoring

• Low Power Modes: Wait, Active Stop, Stop

• Reset & Safety: Brownout reset, watchdog timers (window & independent)

• Interrupts: Nested interrupt controller with 32 sources, up to 37 external interrupts

• Timers:

  • 2 × 16-bit general-purpose timers with capture/compare/PWM

  • 1 × 16-bit advanced control timer (4 channels, complementary outputs, dead-time insertion)

  • 1 × 8-bit basic timer with prescaler

• Interfaces:

  • SPI (up to 8 Mbit/s)

  • I²C (400 kbit/s)

  • UART, LIN, Smartcard, Infrared, synchronous clock output

• ADC: 10-bit, up to 10 channels, scan mode with watchdog function

• I/O Pins: Up to 38 GPIO (48-pin package), with 16 high sink-current outputs

• Board Size: 49.5 × 23 mm

Key Features

• Affordable 8-bit MCU board with STMicroelectronics STM8S series chip

• Wide voltage operating range (3V–5.5V) for flexible integration

• Integrated true EEPROM with exceptional endurance (300k cycles)

• Multiple timers and watchdogs for precision control and reliability

• Wide peripheral support: SPI, I²C, UART, LIN, ADC, PWM, Smartcard

• Low-power operation with multiple sleep modes

• Compact size with high I/O availability for embedded projects

Applications

• Embedded systems education and prototyping

• Low-cost consumer electronics

• Industrial control and monitoring

• IoT sensor nodes and gateways

• Robotics and automation projects

• Battery-powered devices with low-power operation

Package Includes

• 1 × STM8 Development ARM Core Board (STM8S105K4T6)

Why Choose This Board?

The STM8S105K4T6 Development Board offers a perfect balance of cost, performance, and reliability, backed by STMicroelectronics’ proven STM8 architecture. With its rich set of peripherals, EEPROM durability, and compact design, it’s an excellent choice for both learning and building long-term embedded applications.