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stm32h753 NUCLEO board manual not have details about CN2 dfu connector

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yogui_ricardo
Associate II

‎2024-10-29 11:29 AM - last edited on ‎2024-10-29 12:48 PM by

stm32h753 nucleo manual not have details about CN2 dfu connector

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SofLit
ST Employee

‎2024-10-29 01:02 PM - edited ‎2024-10-29 01:05 PM

Hello @yogui_ricardo ,

CN2 is dedicated to connect to the MCU (STM32F723) that manages STLINK-V3 and update its firmware over SWD:

PA13: SWDIO

PA14: SWCLK

SofLit_0-1730231982437.png

But I don't think user needs this connection as the firmware could be updated over ST-LINK micro USB connector (CN1) using STM32CubeProgrammer or ST-LINK firmware upgrade tool.

To give better visibility on the answered topics, please click on "Accept as Solution" on the reply which solved your issue or answered your question.
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Imen.D
ST Employee

‎2024-10-29 12:23 PM

Hello @yogui_ricardo and welcome to the Community,

Which detail are you looking for ?

Maybe the Gerber files can help you. For that, you can look at the Board Manufacturing specifications in the CAD resources.

NUCLEO-H753ZI - STM32 Nucleo-144 development board with STM32H753ZI MCU, supports Arduino, ST Zio and morpho connectivity - STMicroelectronics

When your question is answered, please close this topic by clicking "Accept as Solution".
Thanks
Imen
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SofLit
ST Employee

‎2024-10-29 01:02 PM - edited ‎2024-10-29 01:05 PM

Hello @yogui_ricardo ,

CN2 is dedicated to connect to the MCU (STM32F723) that manages STLINK-V3 and update its firmware over SWD:

PA13: SWDIO

PA14: SWCLK

SofLit_0-1730231982437.png

But I don't think user needs this connection as the firmware could be updated over ST-LINK micro USB connector (CN1) using STM32CubeProgrammer or ST-LINK firmware upgrade tool.

To give better visibility on the answered topics, please click on "Accept as Solution" on the reply which solved your issue or answered your question.
PS:
1 - This is NOT an online support (https://ols.st.com) but a collaborative space.
2 - Please be polite in your reply. Otherwise, it will be reported as inappropriate and you will be permanently blacklisted from my help.
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