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ST STM32F100C4T6A High-Performance Mainstream Arm Cortex-M3 32-Bit MCU

Shenzhen Mingjiada Electronics Co., Ltd., as a seasoned supplier in the electronic components industry, has been supplying the high-performance mainstream Arm Cortex-M3 32-bit microcontroller STM32F100C4T6A for an extended period.

STM32F100C4T6A Microcontroller Overview

The STM32F100C4T6A is a 32-bit microcontroller based on the Arm Cortex-M3 core. It is an entry-level product within the STM32F1 series, but its excellent performance-to-cost ratio has made it widely adopted in industrial control, consumer electronics, and other fields. The STM32F100C4T6A is packaged in an LQFP48 package and operates within a temperature range of -40°C to +85°C, meeting the requirements of most industrial environments.

STM32F100C4T6A microcontrollers incorporate the high-performance ARM®Cortex®-M3 32-bit RISC core operating at a 24 MHz frequency, high-speed embedded memories (Flash memory up to 128 Kbytes and SRAM up to 8 Kbytes), and an extensive range of enhanced peripherals and I/Os connected to two APB buses. All devices offer standard communication interfaces (up to two I2Cs, two SPIs, one HDMI CEC, and up to three USARTs), one 12-bit ADC, two 12-bit DACs, up to six general-purpose 16-bit timers and an advanced-control PWM timer.

In terms of core performance parameters, the STM32F100C4T6A operates at a maximum frequency of 24MHz, features 16KB of Flash memory and 4KB of SRAM, and provides a rich set of peripheral interfaces, including:

Up to 37 high-speed I/O ports

16-bit timer (3 units)  

12-bit ADC (1 unit, 10 channels)  

SPI/I2C/USART communication interfaces (2 each)  

USB 2.0 full-speed interface (1 unit)

As a member of the STM32F1 series, the STM32F100C4T6A inherits the series' high cost-effectiveness while maintaining the low-power characteristics of the STM32 product line, with power consumption as low as 150µA/MHz in run mode and as low as 2µA in standby mode, making it ideal for battery-powered devices.

Typical application areas for the STM32F100C4T6A

With its balanced performance configuration and rich peripheral interfaces, the STM32F100C4T6A demonstrates broad application potential across multiple industries.

Industrial control: As the core controller for industrial automation equipment, the STM32F100C4T6A can be widely applied in PLCs, HMIs, motor drives, sensor networks, and other scenarios. Its reliable operational stability, rich communication interfaces, and moderate processing capabilities make it an ideal choice for small and medium-sized industrial control devices.

Consumer electronics: In the consumer electronics sector, including home appliance control, smart home devices, and electronic toys, the STM32F100C4T6A offers a significant cost-effectiveness advantage. Its USB interface support facilitates communication between devices and hosts, while its low-power characteristics extend the battery life of portable devices.

Automotive electronic auxiliary systems: Although the STM32F100C4T6A has not obtained AEC-Q100 automotive certification, it is widely used in aftermarket automotive electronic devices and in-vehicle infotainment auxiliary systems.

IoT terminal devices: As the control core of IoT edge nodes, the STM32F100C4T6A can handle tasks such as sensor data acquisition, simple logic control, and communication protocol conversion.