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ST7FMC2S6T6

8-bit MCU, 32KB Flash, BLDC motor control, LQFP-32

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Manufacturer Part：

ST7FMC2S6T6

Package：

LQFP-32 (7 x 7 x 1.4 mm)

Brand：
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Description

Product Overview

The ST7FMC2S6T6 from STMicroelectronics is an 8-bit ST7 microcontroller optimized for brushless DC motor control, featuring 32KB Flash, 10-bit ADC, five timers, SPI, and LINSCI interface in LQFP-32 package.

Key Specifications

Core ST7 8-bit
Flash Memory 32 KB
RAM 512 Bytes
ADC 10-bit, 6 channels
Timers 5 (including motor control timer)
Communication SPI, LINSCI
Motor Control Dedicated BLDC motor control peripheral
Supply Voltage 3.8 V to 5.5 V
Pin Count 32
Package LQFP-32
Operating Temperature -40 to +85 C

Features

  • Dedicated brushless DC motor control peripheral with BEMF sensing
  • Multiple timers including motor control PWM timer
  • LINSCI interface for automotive communication
  • Nested interrupt capability for real-time motor control
  • On-chip oscillator with PLL for clock generation
  • Flash memory with in-circuit programming

Applications

  • Brushless DC motor drives for appliances
  • Automotive motor control (wiper, fan, pump)
  • Industrial variable speed drives
  • Permanent magnet synchronous motor control
  • HVAC blower motor control

The ST7FMC2S6T6 from STMicroelectronics is an 8-bit ST7 family microcontroller specifically optimized for brushless DC (BLDC) motor control applications. The device features 32KB Flash program memory, 512 bytes RAM, a 10-bit ADC with 6 channels, and five timers including a dedicated motor control timer with PWM generation. The integrated motor control peripheral supports sensorless BEMF (back-EMF) detection for commutation, reducing external component count. The LINSCI interface provides automotive-standard communication, and nested interrupt support enables real-time motor control loop execution.

The ST7FMC2S6T6 operates as an 8-bit motor control microcontroller. (1) The ST7 CPU core fetches and executes instructions from Flash, with nested interrupt support allowing high-priority motor control ISRs to preempt lower-priority tasks. (2) The dedicated motor control peripheral generates the six PWM signals required for three-phase BLDC motor commutation, with programmable dead time to prevent shoot-through. The BEMF zero-crossing detection allows sensorless commutation without Hall sensors, detecting the motor position from the unenergized phase voltage. (3) The 10-bit ADC monitors motor current for overcurrent protection and DC bus voltage for brownout detection. The SPI interface communicates with external peripherals, while LINSCI provides single-wire automotive network connectivity.

Pin Group Name Function
1-2 VDD/VSS Power and ground
3-6 PA0-PA3 Port A, ADC/Motor control
7-14 PB0-PB7 Port B, SPI/LINSCI/Timers
15-22 PC0-PC7 Port C, PWM/Motor control
23-30 PD0-PD7 Port D, ADC/GPIO
31-32 OSC1/OSC2 Oscillator
  • Brushless DC motor drives for home appliances (washing machine, refrigerator compressor)
  • Automotive motor control (wiper, cooling fan, fuel pump)
  • Industrial variable speed drives with sensorless commutation
  • Permanent magnet synchronous motor (PMSM) control with FOC
  • HVAC blower and compressor motor control
Model Manufacturer Key Difference
ST7FMC1K4T6 ST 16KB Flash, 20-pin, smaller
STM8S103F3P6 ST Newer STM8, 8KB, TSSOP-20
STM32G071KBT6 ST Cortex-M0+, 128KB, more modern
PIC16F1776-I/SO Microchip 8-bit, motor control, 28-pin
ATtiny1617-MFR Microchip AVR, 16KB, motor control PWM
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Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

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Contact Information

Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

Service & Packaging

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

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All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

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Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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