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NO STM 32 Target Found, Target No Device Found (Nucleo-F446RE)

cherrytasty
Associate

‎2024-08-25 06:34 PM - last edited on ‎2024-08-26 06:38 AM by

cherrytasty_0-1724635922479.png

cherrytasty_1-1724635956025.png

what should i do..?

 

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4 REPLIES 4
SofLit
ST Employee

‎2024-08-26 12:15 AM

Hello,

First check if you are using a data cable not a charging cable

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Tesla DeLorean
Guru

‎2024-08-26 12:27 AM

Do you have code that's reconfiguring the PA13 / PA14 debug pins, or putting them in a low power or sleep state?

Do you observe this problem if you pull/set BOOT0 pin HIGH? Here your code on the device won't be running and potentially breaking things.

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TDK
Guru

‎2024-08-26 06:16 AM - edited ‎2024-08-26 06:17 AM

> Target voltage: 0.31 V

This is a power issue. No change of a chip working without a proper power supply. Ensure the power jumper is set correctly. Perhaps a part on the board got damage in the course of debugging. It sees the ST-Link chip, so the board is probably okay. Consider looking at the schematic to track down the power issue.

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