DORHEA 3Pcs STM32F411 Development Board V3.0 STM32F411CEU6 STM32F4 Learning Board 100Mhz Freq 128KB RAM 512KB ROM for Programming

Memory: 512 Kbytes of Flash memory128 Kbytes of SRAMSPI Flash (OptionalClock and power supply 3.3V -5V power input, 3.3V LDO maximum output current 100mAUSB C interface is used, and a diode is serial to prevent power backflow25MHz 9PF high speed crystal oscillator 32.768K 6PF low speed crystal oscillatorInterface and KeyUSART x 3, I2C x 3, SPI x 5, USBFS x 1ADC x 1 (10), I2S x 5, CRC x 1, TIM x 820 Pin 2.54 mm pitch I/O interface x 24 Pin 2.54 mm pitch SW debug interface x 1USB C (Type C) interface x 1User keys Key (PA0) x 1Reset key NRST x 1Boot0 key x 1How to enter ISP (serial port /USB download)Method 1: Press Boot0 and NRST at the same time and release NRST. After 0.5 s, release Boot0 and enter
ISP modeMethod 2: In the power off state, press Boot0, power on, wait for 0.5 s, release to enter
ISP modeSerial port download: use USB to serial port to connect the core board PA9, PA10 can be, do not use
USB port power supplyUSB download: use the data cable to connect to the computer, if there is no identification problem, The chip can be properly heated (25C+), then re-entering ISP modeSTM32CubeProg, Weact Studio Download Tool (see Github/WeActTC/MiniSTM32F4x1/Soft/)No USB to serial port, no debugger, no computer driver, just a Type-C data line can complete the firmware download1. Burn HID IAP firmware (the factory program brushes in by default, which is a special testversion)2. Press the KEY KEY to power up or press the KEY to reset, LED C13 flashes, release the KEY to enter3. Confirm APP firmware address is 0x8004000, interrupt address offset is 0x40004. Download it usingGithub/WeActTC/MiniSTM32F4x1/Soft/WeAct_HID_FW_Bootloader/weact_hid_flash_xxx.
exePackage include: 3 x STM32F411CEU6 Core Board6 x 20 Pin 2.54 mm pitch row Pin3 x 4Pin 2.54 mm pitch back bend row needle