Stm32f401ccu6 Development Board
Stm32f401ccu6 Development Board
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The STM32F401CCU6 Development Board is a popular, compact, and high-performance microcontroller board, often referred to as a "Black Pill" (due to its similarity in form factor to the older "Blue Pill" STM32F103 board). It is highly favored by hobbyists and developers for projects requiring fast processing and rich peripherals.
Key Features of the STM32F401CCU6 Microcontroller
The core of this development board is the STM32F401CCU6 chip from STMicroelectronics, which belongs to the High-Performance STM32F4 Access Line.
Core:ARM Cortex-M432-bit core with a Floating Point Unit (FPU). The FPU allows for much faster mathematical calculations, making it excellent for signal processing and motor control.
Max Frequency: Up to 84MHz.
Flash Memory:256KB
SRAM:64KB.
Package: UFQFPN-48 (Ultra-Thin Fine Pitch Quad Flat Pack, a small form factor chip).
Development Board Characteristics
The small module that breaks out the STM32F401CCU6 chip typically includes:
Power and Connectivity
USB Port: Usually a Micro USB or USB-C port for power supply and USB communication (the STM32F401 supports full-speed USB 2.0).
Voltage Regulator: An on-board 3.3V regulator to power the MCU from the 5V USB input.
Oscillators: Includes the necessary external crystals: typically an 8MHz high-speed crystal and a 32.768 kHz low-speed crystal for the Real-Time Clock (RTC).
Programming and Debugging
SWD Header: A 4-pin SWD (Serial Wire Debug) header is present for flashing the firmware and debugging using an external programmer like the ST-LINK.
BOOT Jumpers/Buttons: Pins or buttons (BOOT0 and BOOT) to select the boot mode, allowing for programming either through the SWD interface or the built-in UART serial bootloader.
Peripherals
GPIO Breakout: Almost all of the available General Purpose Input/Output (GPIO) pins are brought out to standard 2.54mm headers, making the board breadboard-friendly.
User LED/Button: Typically includes one user-controllable LED and a Reset button.
Ideal Use Cases
The STM32F401CCU6 development board is powerful enough for complex tasks while remaining very small. It's often chosen for:
Audio/Signal Processing: Due to the Cortex-M4's FPU.
High-Speed Control: Such as PID control for drones or small robots.
Data Logging: Utilizing its ample Flash and SRAM and fast serial interfaces.
Wearable/Portable Devices: Because of its compact size and low-power capabilities.