STM32F401 Minimum System Development Board Module STM32F401CCU6 STM32F4

The STM32F401 “Black Pill” development board is an upgraded version of the original F103 Black Pill. It features a powerful ARM Cortex-M4F CPU, 512KB flash, 128KB SRAM, a Floating Point Unit, and multiple peripherals including USB Type-C OTG support. This compact and affordable board offers advanced functionality at a fraction of the cost of Arduino boards, making it ideal for hobbyists and developers.

Key Features:

• STM32F411CEU6 CPU (100MHz) with 512KB Flash & 128KB RAM
• Onboard LDO for 5V to 3.3V DC conversion
• 2x20 Pin Single Line Header giving access to all I/Os (headers unsoldered)
• SWD Programming Interface header for debugging and programming
• Reset, Boot Mode, and User switches
• Power LED and User LED on GPIO C13
• 25MHz high-speed crystal & 32.768kHz low-speed crystal for RTC
• BOOT0 and NRST pins for serial or DFU programming using STM32 Cube Programmer
• Option to solder SPI memory on the bottom side
• USB Type-C connector for power and communication

Interface Description:

• SWD Interface: Supports simulation, download, and debugging
• Micro USB Interface: Power supply and USB communication (download not supported)
• USART1 Interface: Can be used for program download or serial communication
• MCU Pin Interface: Exposes all I/O pins for easy peripheral connection
• 5V & 3.3V Power Input/Output: For external power supply or common grounding with other modules

Additional Equipment Description:

• Power Indicator (PWR): Shows stable power status
• User LED (PC13): Useful for I/O output testing or program status indication
• Programming Mode Selector: Allows choosing between user flash memory, SRAM, or system memory
• Reset Button: Resets the microcontroller program
• 8MHz Crystal Oscillator: Sets system main frequency (up to 72MHz)
• 32.768kHz Crystal Oscillator: Supports built-in RTC or calibration