STMicroelectronics Microcontrollers | Product List | Distributor

About Microcontrollers

STMicroelectronics microcontroller portfolio includes the industry-leading STM32 family based on ARM Cortex-M cores and the cost-effective STM8 series. These microcontrollers offer scalable performance from ultra-low-power to high-performance applications with comprehensive ecosystem support.

As an authorized distributor of STMicroelectronics, LiTong Electronics provides a comprehensive range of Microcontrollers products. These products are widely used in industrial control, automotive electronics, consumer electronics, and communication equipment. We offer a complete product line with multiple series to meet various application requirements. All products are genuine and original, backed by professional technical support and comprehensive after-sales service.

Selection Guide: How to Choose the Right Microcontrollers

Product List

2 products available

Part Number ↕	Core ↕	Frequency ↕	Flash Memory ↕	RAM ↕	GPIO ↕	Package ↕	Stock Status	Action
STM32F407VGT6	ARM Cortex-M4	168 MHz	1 MB	-	82	LQFP-100	In Stock	View Details
STM32H743VIT6	ARM Cortex-M7	480 MHz	2 MB	-	82	LQFP-100	In Stock	View Details

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Frequently Asked Questions

How do I choose between different STM32 families?

STM32 families are organized by performance and power requirements: STM32F0/F1/F3 for entry-level applications, STM32F4/F7 for high-performance DSP and FPU capabilities, STM32H7 for highest performance with dual-core options, STM32L0/L1/L4/L5 for ultra-low-power battery-operated devices, STM32G0/G4 for mainstream efficiency, and STM32U5 for advanced security and ultra-low power. Consider your processing requirements, power budget, peripheral needs, and cost constraints when selecting.

Use our STM32 selector tool or contact our MCU specialists for family selection guidance.

What development tools are available for STM32?

ST provides comprehensive development ecosystem including STM32CubeMX for graphical configuration, STM32CubeIDE for integrated development, STM32CubeProgrammer for device programming, and extensive HAL/LL libraries. Third-party support includes Keil MDK, IAR Embedded Workbench, and various RTOS options. Development boards like Nucleo and Discovery series provide affordable evaluation platforms. ST also offers STM32Cube.AI for machine learning applications.

Download free STM32Cube tools from ST or contact us for development kit recommendations.

How do I estimate power consumption for STM32 applications?

STM32 power consumption depends on operating mode, clock frequency, and peripheral usage. Run mode consumption ranges from 100uA/MHz for ultra-low-power L4 series to 300uA/MHz for high-performance H7 series. Sleep and stop modes offer significantly lower consumption down to sub-uA levels. Use ST's STM32CubeMX power consumption calculator for accurate estimates based on your specific configuration and duty cycle.

Use STM32CubeMX power calculator or contact our FAE team for power optimization guidance.

What is the difference between HAL and LL drivers?

HAL (Hardware Abstraction Layer) provides high-level, feature-rich APIs with portability across STM32 families but with some overhead. LL (Low-Layer) drivers offer lightweight, register-level access for maximum performance and minimal code size. HAL is recommended for rapid development and code portability, while LL is preferred for resource-constrained applications requiring optimal performance. Both are officially supported by ST and can be mixed in the same project.

Start with HAL for faster development. Switch to LL for performance-critical sections if needed.

How do I select the right package for my STM32 application?

STM32 packages range from small WLCSP and QFN options for space-constrained designs to larger LQFP and BGA packages with more GPIO availability. Consider PCB manufacturing capabilities, thermal requirements, and I/O count needs. LQFP packages offer good balance of size, cost, and ease of assembly. QFN packages provide smaller footprint but require careful PCB layout. BGA packages offer highest I/O density but need advanced assembly processes.

Evaluate your space constraints and manufacturing capabilities. Contact us for package selection assistance.