STM32 Black Pill

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Black Pill Board Features[edit]

Not pin compatible with Blue Pill due to power pin locations

  • STM32F401CCU6 or STM32F411CCU6 CPU
    • STM32F401CCU6
      • 84 MHz CPU clock
      • 256 KB Flash
      • 64 KB SRAM
    • STM32F411CCU6
      • 100 MHz CPU clock
      • 512 KB Flash
      • 128 KB SRAM
    • 3.3V regulator
    • 2x12-bit, A/D converter
    • 7-channel DMA controller
    • SPI, I2C, UART interfaces
    • 7 timers
  • SPI ROM footprint
  • USB-C
  • Reset button
  • Power LED
  • PC 13 LED
  • SWD connector
  • Warning: The +5V pins on this board are directly connected to the +5V pin of the USB connector. There is no protection in place. Do not power this board through USB and an external power supply at the same time.


Black Pill Reserved Pins[edit]

  • PA0 - On-board USER KEY - needs INPUT_PULLUP
  • PC13 - On-board LED
  • PB2 - BOOT1
    • Pulling this pin down by external hardware causes the board to boot to serial
    • Can be ignored by unplugging USB (power) while holding both reset and BOOT1 buttons on the Black Pill card
    • Release reset button first
  • PA11 - USB-M
  • PA12 - USB-P
  • PA9 - Serial TX1
  • PA10 - Serial RX1

Black Pill Card Schematic[edit]


Black Pill Mechanicals[edit]

Original-dimensions-STM32F401CCU6 WeAct Black Pill V1.2.png

Black Pill Programming[edit]

DFU Programming[edit]


Other Programming[edit]

SerialPropogramming (AN3155).PNG