Description
The WeAct Studio AT32F403ACGU7 BlackPill Core Board is a high-performance ARM Cortex-M4 development board designed for advanced embedded applications. Based on the AT32F403ACGU7 microcontroller, it delivers up to 240 MHz clock speed with rich peripheral support, making it suitable for real-time control, industrial automation, and high-speed data processing projects.
This board follows the popular BlackPill form factor, offering a compact layout with clearly labeled GPIOs, onboard USB interface, BOOT and RESET buttons, and excellent compatibility with common development tools. It is ideal for users looking for a powerful alternative to entry-level Cortex-M boards while keeping a small footprint.
Key Features
ARM Cortex-M4 core, up to 240 MHz
High computing performance, up to 600 DMIPS
BlackPill-style compact core board
USB Full-Speed (USBFS) interface
Onboard BOOT and RESET buttons
Clearly labeled GPIO pins for easy prototyping
Suitable for bare-metal, RTOS, and advanced embedded development
Microcontroller Specifications
MCU: AT32F403ACGU7
Core: ARM Cortex-M4
Maximum Frequency: 240 MHz
RAM: 96 KB + 128 KB
ROM / Flash: 256 KB + 768 KB
Operating Voltage: 3.3 V logic
Power Input: 3.3 V – 5.5 V
Peripheral Resources
Timers ×14
SysTick ×1
RTC ×1
I²C ×3
SPI ×4
UART ×7
SDIO ×1
USB FS ×1
CAN ×2
Clock & Power
HSE: 8 MHz external high-speed clock input
LSE: 32.768 kHz low-speed clock input
Onboard 3.3 V LDO, up to 100 mA output
USB power protection with diode and TVS
Package Contents (Basic Package)
1 × AT32F403ACGU7 Core Board
2 × 20-Pin 2.54 mm straight headers
1 × 5-Pin 2.54 mm right-angle header
Documentation & Resources
Notes
Designed and manufactured by WeAct Studio
Suitable for secondary development and custom firmware
Header pins are provided loose and require soldering
