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why does the nucleo-G431KB have a jumper on cn4

Franksterb92
Senior
 
1 ACCEPTED SOLUTION

Accepted Solutions

> Or the demo code reads Arduino D2 (PA12) to determine LED rate

0693W00000Y9zuJQAR.png 

JW

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4 REPLIES 4

Grounds PA12/USB_DP, defeats the internal pull-up, probably relates to how it starts

CN4.4 GND

CN4.5 D2 PA12 USB_DP

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Franksterb92
Senior

ok i plugged it in i just got it in the mail btw and the usr led blinks faster if u unplug it and blinks slower if u have it plugged in so im guessing its just a extra jumper the give u possibly to mess with the bootloader or anything else

Or the demo code reads Arduino D2 (PA12) to determine LED rate

https://github.com/STMicroelectronics/STM32CubeG4/tree/master/Projects/NUCLEO-G431KB/Demonstrations/Led_Jumper

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Up vote any posts that you find helpful, it shows what's working..

> Or the demo code reads Arduino D2 (PA12) to determine LED rate

0693W00000Y9zuJQAR.png 

JW