1 / 2STM32F401CCU6 Black Pill Development Board - High-Performance ARM Cortex-M4
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The STM32F401CCU6 "Black Pill" is a high-performance upgrade to the classic Blue Pill. Featuring a 32-bit ARM Cortex-M4 core with a Floating Point Unit (FPU) running at 84MHz, it is designed for applications requiring high-speed processing, RTOS implementation, and reliable USB Type-C connectivity. Key Features: Processing Power: 84MHz ARM Cortex-M4 Core with FPU. Modern Interface: Integrated USB Type-C connector for power and data. Memory: 256KB Flash and 64KB RAM for complex firmware. Compact Design: Breadboard-friendly form factor, ideal for prototyping advanced IoT and robotics projects.
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Overview
The STM32F401CCU6 Black Pill is a powerful, versatile development board that bridges the gap between hobbyist microcontrollers and industrial-grade embedded systems. Unlike the older F103 series, the F401 "Black Pill" includes a Floating Point Unit (FPU) and more robust power management, making it perfect for signal processing, motor control, and AI-on-the-edge experiments.
With its USB Type-C connector, you no longer need to worry about fragile Micro-USB ports. It is fully compatible with the STM32Cube ecosystem, Keil, IAR, and can also be programmed via the Arduino IDE using the STM32duino core.
Technical Specifications
| Feature | Specification |
|---|---|
| Core | ARM® 32-bit Cortex®-M4 CPU with FPU |
| Clock Speed | 84 MHz |
| Flash Memory | 256 KB |
| SRAM | 64 KB |
| Operating Voltage | 1.7V to 3.6V |
| Connectivity | USB Type-C (Supports OTG) |
| I/O Pins | 36 GPIOs |
| Communication | 3x UART, 3x I2C, 4x SPI, 1x USB 2.0 OTG |
| ADC | 12-bit, 16-channel ADC |
Why Choose the Black Pill?
- The FPU Advantage: Perform complex mathematical calculations (like PID loops or FFTs) significantly faster than standard Cortex-M3 or AVR chips.
- USB-C Reliability: Built for longevity with a modern, reversible USB-C port.
- Storage: 256KB of Flash allows you to run modern RTOS (Real-Time Operating Systems) like FreeRTOS or Zephyr with ease.
- On-board Button: Includes a user button (PC13) and a reset button for quick testing.
Programming Note: To flash this board, you can use an ST-Link V2 Debugger or use the built-in USB DFU bootloader by holding the 'Boot0' button during power-up.
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