Board with GD32F103

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stefkpl
Posts: 4
Joined: Tue Sep 22, 2020 11:55 am

Board with GD32F103

Post by stefkpl »

Hi everybody, I don't know why my design won't run normaly, only PC13 led blink?
I use gd32f1_generic_boot20_pc13.bin so, I can't find any usb devices.
I work with gd32F103CBT µC, the only things differents on the real test design : all resistor 510R are changed to 1K and 22R are changed to 27R....
What's wrong ?
Thank's
Attachments
Capture d’écran 2020-09-22 184832.png
Capture d’écran 2020-09-22 184832.png (49.44 KiB) Viewed 621 times
Capture d’écran 2020-09-22 184558.png
Capture d’écran 2020-09-22 184558.png (71.3 KiB) Viewed 621 times
Capture d’écran 2020-09-22 184534.png
Capture d’écran 2020-09-22 184534.png (49.18 KiB) Viewed 621 times

stefkpl
Posts: 4
Joined: Tue Sep 22, 2020 11:55 am

Re: Board with GD32F103

Post by stefkpl »

Schematic
Attachments
Capture d’écran 2020-09-22 184845.png
Capture d’écran 2020-09-22 184845.png (16.89 KiB) Viewed 620 times
Capture d’écran 2020-09-22 184702.png
Capture d’écran 2020-09-22 184702.png (34.17 KiB) Viewed 620 times
Capture d’écran 2020-09-22 184623.png
Capture d’écran 2020-09-22 184623.png (39.95 KiB) Viewed 620 times

mrburnette
Posts: 267
Joined: Thu Dec 19, 2019 1:23 am
Answers: 1

Re: Board with GD32F103

Post by mrburnette »

http://stm32duinoforum.com/forum/viewto ... t_527.html

Roger eventually pulled support (menu option listing) from GD32F103.

Old forum posts:
https://www.google.com/search?&q=GD32F1 ... oforum.com

Maybe someone in the forum has some knowledge to assist with the GD32F1xx chip. I never went down that dusty road :shock:

Ray

stefkpl
Posts: 4
Joined: Tue Sep 22, 2020 11:55 am

Re: Board with GD32F103

Post by stefkpl »

I found my errors, I used 8Mhz crystal osc and don't have decoupling capacitor on 5V USB pin...
Thanks

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