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ccacitti
Visitor II
July 31, 2023
Question

Unable to reprogram STM32G030F6P6

  • July 31, 2023
  • 2 replies
  • 4310 views

I am trying to reprogram a STM32G030F6P6 with a St-link V3 but in STM32CubeProgrammer I get: "Error: No STM32 target found! If your product embeds Debug Authentication, please perform a discovery using Debug Authentication".

When the chip is brand new I can program it once with no issue, but when I try to change the program I get the error.

The RST pin is connected to the programmer and I'm using Mode: Under reset in STM32CubeProgrammer but it makes no difference.

I can see that the program I have previously uploaded runs correctly because it's blinking an LED. I've also tried connecting the BOOT0 pin to 3v3 and resetting the board but I can still see the LED blinking so it's running the program and not going into boot loader mode.

Schermata 2023-07-31 alle 13.53.08.png

 

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2 replies

ONadr.1
ONadr.1
Senior III
July 31, 2023

In these cases, I simply turn off the power, connect NRST to GND, and turn on the power. Then I start "Connect" on the programmer and about 1 second later I release the NRST from the GND connection. In almost all cases the connection goes through and then I do a Mass Erase.

Foued_KH
Foued_KH
ST Employee
July 31, 2023

Hello @ccacitti , 

Make sure that your STLink firmware is upgraded. 

Try "Connect under reset" mode : Press the reset and hold it and click "Connect" button. And just after pressing release the reset button.

Foued

 

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