The STM8S903K3 is a high-performance 8-bit microcontroller from STMicroelectronics, offering a cost-effective solution for embedded applications. This versatile MCU is part of the STM8S series, which is renowned for its robust architecture, enhanced peripherals, and low power consumption. The STM8S903K3 is ideal for a wide range of applications, including industrial control systems, consumer electronics, automotive modules, and more.

Key Features

• Core: STM8 core running at up to 16 MHz clock frequency.
• Memory: Comes with 8 KB of Flash program memory, 640 bytes of true data EEPROM, and 1 KB of RAM.
• Timers: Features an advanced control timer, two general-purpose timers, and a basic timer, which can be used for complex timing operations and PWM generation.
• Communication Interfaces: Includes I2C, SPI, and UART interfaces for serial communication with peripherals and other microcontrollers.
• ADC: An integrated 10-bit analog-to-digital converter with up to five channels allows the MCU to interface with analog sensors and devices.
• I/O Ports: Up to 28 I/O pins providing a range of interfacing options and supporting external interrupts.
• Supply Voltage: Operates within a range of 2.95 to 5.5 V, suitable for various power supply conditions.
• Temperature Range: Designed to operate within an industrial temperature range from -40°C to 85°C.

Advanced Peripherals and Performance

The STM8S903K3 microcontroller integrates a range of peripherals that enhance its performance in complex tasks. Its robust timer system and versatile communication interfaces make it an excellent choice for multitasking environments. The MCU's EEPROM allows for non-volatile storage of critical data, and the embedded ADC facilitates precise measurement and monitoring of analog signals.

Development Support

STMicroelectronics provides comprehensive development support for the STM8S903K3, including software libraries, development kits, and the ST Visual Develop (STVD) integrated development environment. This ensures a smooth development process, from prototype to production, for engineers and designers working with this microcontroller.