Version Description

1. F411CE 25M HSE: Regular version, the external crystal is 25M
2. F411CE 25M HSE 8MFlash: Regular version, the external crystal is 25M and the back of the board is welded with w25q64jvssiq 8m flash.
3. F411CE 8M HSE: New version, the external crystal is 8M. Software use need to pay attention.Easier to enter dfu mode by usb.

BlackPill Product Details

1. STM32F411CEU6 100Mhz, 128Kb RAM, 512Kb ROM
2. 25Mhz high speed crystal oscillator &
32.768Khz 6PF low speed crystal oscillator
3. Gold sinking process is adopted, lead-free
process is used, and the needle arrangement
is gold-plated, which is more environmentally
friendly
4. Support C language programming development
5. There are 3 buttons, reset key,
BOOT0 key, user key
6. The use of the latest original chip, high quality crystal vibration

Memory

512Kbytes of Flash memory
128 Kbytes of SRAM
SPI Flash(Optional)

Clock and Power Supply

* 3.3V-5V power input, 3.3V LDO maximum output current 100mA
* USB C interface is used, and a diode is serial to prevent power backflow
* 25Mhz high speed crystal oscillator
* 32.768K 6PF low speed crystal oscillator

Interface and Key

* USART x 3, I2C x 3, SPI x 5,USBFS x 1
* ADC x 1(10),I2S x 5,CRC x 1,TIM x 8
* 20 Pin 2.54mm pitch I/O interface x 2
* 4 Pin 2.54mm pitch SW debug interface x 1
* USB C (Type C) interface x 1
* User keys Key (PA0) x 1
* Reset key NRST x 1
* Boot0 key x 1

Design and Quality

* Adopt lead-free welding process, sink gold
PCB
* Boot is set by pressing a key
* Using high quality crystal oscillator, metal
shell, can be good vibration
* Always use the original chip
* GitHub regularly updates the chipmark used to
make sure that you are buying new chips

Use Items / Download Hex

How to enter ISP (serial port /USB download)
* Method 1:
Press Boot0 and NRST at the same time and
release NRST. After 0.5s, release Boot0 and
enter ISP mode
* Method 2:
In the power off state, press Boot0, power on,
wait for 0.5s, release to enter ISP mode
* Serial port download: use USB to serial port to connect the core board PA9,PA10 can be, do not use USB port power supply
* USB download: use the data cable to connect to the computer
* Weact Studio Download Tool

Dimensions and Accessories

Dimensions: 52.38mm x 20.78mm
Accessories:
* STM32F411CEU6 Core Board x 1
* 20 Pin 2.54mm pitch row Pin x 2
* 4Pin 2.54mm pitch back bend row needle x 1
Provide Altium Designer Core Board Packaging, see DATA