Embedded microcontroller STMicroelectronics STM32F107VCT6 LQFP-100 32-bit 72 MHz, 80 I/O

STM32F107VCT6 by STMicroelectronics is a 32-bit ARM Cortex-M3 microcontroller supplied in an LQFP-100 package. Operating at up to 72 MHz and offering 80 general-purpose I/O lines, this device is designed for embedded applications that require moderate processing power, multiple I/O and communication interfaces. The integrated MCU features make it suitable for industrial control, communication modules and custom electronic designs where deterministic performance and peripheral integration are important.

Advantages

The microcontroller combines a Cortex-M3 core with a 72 MHz clock to deliver a balance of performance and power efficiency for real-time tasks. A large number of general-purpose I/O pins in the LQFP-100 footprint enables flexible hardware interfacing. Integrated peripherals and communication support reduce the need for external components, simplifying PCB layout and lowering system complexity. The standard package and pinout facilitate prototyping and migration from compatible devices.

Suitable for

• Embedded control systems and industrial automation
• Communication interfaces and protocol converters
• Custom hardware prototypes and development boards
• Replacement in designs that require similar pin count and performance

Key specifications

• 32-bit ARM Cortex-M3 core
• Maximum clock frequency: 72 MHz
• Package: LQFP-100
• General-purpose I/O lines: 80
• On-chip peripherals: multiple communication interfaces and integrated MCU functions suitable for embedded designs

How to use

Integrate the MCU into your PCB following the LQFP-100 footprint and recommended power supply decoupling practices. Use an appropriate development toolchain that supports ARM Cortex-M3 devices and the STMicroelectronics peripheral library or CMSIS drivers for firmware development. Configure system clock, GPIO and required communication peripherals in firmware, and validate signal integrity and power sequencing during prototype testing. Observe recommended operating voltage ranges and thermal conditions specified by the manufacturer when assembling and testing the board.

Usage recommendations

For prototyping, use a breakout or development board with access to multiple I/O lines and standard debug interfaces. Verify peripheral pin assignments early to avoid routing changes. Implement adequate decoupling and a stable clock source to ensure reliable operation in industrial or communication applications.