STM32F401RCT6 ARM Cortex-M4 Microcontroller | 84MHz | 256KB Flash

The STM32F401RCT6 is a high-performance 32-bit microcontroller from STMicroelectronics, based on the ARM Cortex-M4 core with Floating Point Unit (FPU). Operating at speeds of up to 84 MHz, this MCU is designed for compute-intensive embedded applications that require high efficiency, real-time performance, and low power consumption.

Belonging to the STM32F4 series, the STM32F401RCT6 offers advanced DSP instructions, large Flash and SRAM memory, multiple communication interfaces, and rich timer support. It is widely used in industrial control, robotics, motor control, IoT devices, audio processing, and advanced embedded systems.

This MCU is ideal for developers transitioning from Arduino or STM32F1 series to more powerful ARM Cortex-M4 platforms.

Key Features

• ARM Cortex-M4 32-bit core with hardware FPU

• Maximum CPU frequency: 84 MHz

• 256 KB Flash memory

• 64 KB SRAM

• DSP instructions for signal processing

• Multiple communication interfaces (USART, SPI, I2C)

• Advanced timers with PWM support

• Low-power modes for energy-efficient designs

• Supports professional and Arduino-based development tools

Detailed Technical Specifications

Core & Performance

• MCU: STM32F401RCT6

• CPU Core: ARM Cortex-M4 with FPU

• Architecture: 32-bit RISC

• Maximum Clock Speed: 84 MHz

• DSP Instructions: Yes

Memory

• Flash Memory: 256 KB

• SRAM: 64 KB

• External Memory Support: No

Power

• Operating Voltage: 1.7 V – 3.6 V

• Low-power sleep, stop, and standby modes

• Integrated power-on reset and brown-out reset

I/O & Peripherals

• GPIO Pins: Up to 51

• ADC: 12-bit ADC, up to 16 channels

• Timers:

  • Advanced control timers

  • General-purpose 16-bit timers

  • PWM generation support

Communication Interfaces

• USART / UART: Up to 3

• SPI: Up to 3

• I2C: Up to 3

• USB: Not available on STM32F401RCT6

• CAN: Not available

Debug & Programming

• Debug Interfaces: SWD, JTAG

• Programming Tools: ST-Link, USB-to-Serial

• IDE Support:

  • STM32CubeIDE

  • Arduino IDE

  • Keil µVision

  • PlatformIO

Package Details

• Package Type: LQFP-64

• Operating Temperature: –40°C to +85°C

Typical Applications & Uses

• Robotics and automation systems

• Motor control and PWM-based drives

• Audio and digital signal processing

• IoT gateways and smart devices

• Industrial controllers and HMIs

• Data acquisition systems

• Advanced embedded learning projects

Why Choose STM32F401RCT6?

• Higher performance than STM32F1 series

• Cortex-M4 with FPU for math-heavy tasks

• Large memory for complex firmware

• Professional-grade MCU used in commercial products

• Strong ecosystem and long-term availability

Package Includes

• 1 × STM32F401RCT6 ARM Cortex-M4 Microcontroller (LQFP-64)