![]() ![]() You can now plug your MicroUSB cable into the main MicroUSB cable on the board (labeled CN1). ![]() It won't hurt anything to leave that breakout board connected as long as there is no MicroUSB cable plugged into it. You'll also probably want to disconnect all the wires coming from MicroUSB breakout board. Once download is complete, disconnect the USB cable from the MicroUSB breakout board, remove the jumper between 3V3 and GND, and put the JP3 jumper back to U5V from E5V. The command I ran to upload the firmware was.Ĭ:\Users\me\Downloads\dfu-util-0.9-win64>dfu-util -alt 0 -D C:\Users\me\Downloads\NUCLEO_H743ZI-20210202-v1.14.dfu Open a command prompt and navigate to the dfu folder that you downloaded earlier. In device manage under USB devices you should see "DFU in FS mode". Plug in the USB cable from the computer to the MicroUSB breakout board. Connecting 3V3 and BT0 together will cause the board to enter dfu mode when we power it on. BT0 pin is right next to the GND pin we are using. Connect that pin to CN11 BT0 (this is the BOOT0 pin). ![]() On top of the board there is a 16 pin black female connector labeled SDMMC. You change this jumper if you want to power the board from 5V from outside the board (not through its normal USB connector)Ĭonnect VBUS from MicroUSB breakout board to E5V on CN11 (pin labels are on bottom of the board) This puts the USB 5V onto the boards 5V.Ĭonnect GND from MicroUSB breakout board to GND pin on CN11 (right below E5V)Ĭonnect D+ from MicroUSB breakout board to PA12 on CN11 (positive data line for USB connection)Ĭonnect D- from MicroUSB breakout board to PA11 on CN11 (negative data line for USB connection) I found this in the Nucleo documentation on STs website. Mine has JP3 on the main board, and not the little board with the ST-Link on the end. I believe there are two versions of the H743 board. Micropython DFU file for the H743 board from here. MicroUSB breakout board (you can get 10 for like 4 bucks on amazon) Just documenting what I did to save the next person some time. (Code 43) A request for the USB device descriptor failed.This guide should no longer be used. Windows device manager: "Windows has stopped this device because it has reported problems. Windows device manager: "This device is working properly." ( )ĭevices show up in device manager but could not connect to them.ĭownloaded 2.28.18.
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