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Explorer II
December 9, 2022
Question

JP4 NRST on STM32 Nucleo-144 boards (MB1312)

  • December 9, 2022
  • 2 replies
  • 1286 views

In UM2179 Rev 9 it says:

"5.4.4 Using ST-LINK/V2-1 to program and debug an external STM32 application

...

Note:JP4 NRST (target STM32 RESET) must be open when CN3 pin 5 is used in an external application."

This is CN3:

0693W00000WKgWvQAL.png 

I think that should be CN5.

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    2 replies

    CKugl.1Author
    Explorer II
    December 10, 2022

    Also, JP4 seems like a strange choice: USB_GPIO_IN. Maybe it means JP3?