STM8S903K3T6CTR 8-Bit Microcontroller with 8KB Flash, 32-LQFP Package
- Brand: STMicroelectronics
- Product Code: STM8S903K3T6CTR
- Availability: In Stock
$0.55
- Ex Tax: $0.55
Introducing the STM8S903K3T6CTR: High-Performance 8-Bit Microcontroller for Embedded Systems
The STM8S903K3T6CTR is a feature-rich 8-bit microcontroller from STMicroelectronics, designed to deliver reliable performance for demanding embedded applications. Part of the STM8S series, this device combines advanced peripherals with robust processing capabilities in a compact 32-LQFP package. With its 8KB flash memory and 1KB RAM, the STM8S903K3T6CTR offers an optimal balance between cost-efficiency and functionality for industrial automation, consumer electronics, and smart sensing solutions.
Key Features and Technical Specifications
Operating at a maximum frequency of 16MHz, this microcontroller integrates an STM8 core with enhanced power management features and a wide operating temperature range (-40°C to 85°C). Its advanced peripheral set includes multiple communication interfaces (I²C, SPI, UART/USART), 7-channel 10-bit ADC, and specialized modules like LINbus transceivers and IrDA controllers. The device's 28 general-purpose I/O pins provide ample connectivity options for sensor integration and control systems.
| Parameter | Specification |
|---|---|
| Core Architecture | STM8 8-bit |
| Flash Memory | 8KB (8K x 8) |
| RAM | 1KB (1K x 8) |
| ADC Channels | 7x10-bit |
| Operating Voltage | 2.95V - 5.5V |
| Package Type | 32-LQFP (7x7mm) |
Comprehensive Peripheral Integration
This microcontroller stands out with its integrated Brown-out Detection/Reset circuitry, Watchdog Timer, and Power-on Reset functionality ensuring system stability in challenging environments. The embedded internal oscillator eliminates external crystal requirements, reducing BOM costs while maintaining timing accuracy. For motor control applications, the PWM generation capabilities enable precise actuator management, making it ideal for smart home devices and industrial control systems.
Industrial-Grade Reliability
Engineered for harsh environments, the STM8S903K3T6CTR maintains operational integrity across extended temperature ranges and voltage variations. Its RoHS-compliant 32-LQFP package supports surface-mount assembly while providing excellent thermal performance. The device's LINbus interface makes it particularly suitable for automotive networking applications requiring cost-effective communication solutions.
Development Ecosystem and Support
STMicroelectronics provides comprehensive development tools including the STM8 Standard Peripheral Library, ST Visual Develop IDE, and hardware debugging interfaces. These resources accelerate firmware development and simplify integration with existing STM8-based systems. The device's pin compatibility with other STM8S family members enables easy scalability across different project requirements.
Tags: 8-bit microcontroller, FLASH memory, LQFP package, industrial automation, embedded systems