Difference between revisions of "STM32 Black Pill"

Latest revision as of 12:08, 6 February 2021

Not pin compatible with Blue Pill due to power pin locations

Use on BLACK-PILL-HUB
- Can't be used on BLUE-PILL-HUB card without modifications
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
- Fits an W25Q32JVSSIQ
- 32 Mbit SPI Flash ROM,
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.

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

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