NUCLEO-H743ZI2 documentation

[svsv]

Hello everyone!

I'm new to the NUCLEO-H743ZI2 board. I need help with two questions:

1) I can't find a description of the STLK backup port -CN2 anywhere. Can you tell me if I can use it to program other STM32 devices on other boards, and how?

2) Can anyone share the schematic for the H743ZI2 board?

[TDK]

You cannot use the NUCLEO-H743ZI2 as a programmer to program other boards, only the chip on the board itself.

The schematic is available on the board page, under CAD resources:

https://www.st.com/resource/en/schematic_pack/mb1364-h743zi-e01_schematic.pdf

[svsv]

Thank you so much for your tips and kindness!

But how can it be used on a board?

[Andrew Neil]

See the User Manual for the board - available on the 'Documentation' tab of the Product Page:

https://www.st.com/en/evaluation-tools/nucleo-h743zi.html#documentation

Note also that this board is marked as Obsolete.

[TDK]

It has an onboard st-link. Plug in the USB connector and use STM32CubeProgrammer to program the board, or STM32CubeIDE to develop/debug with it.

[svsv]

Am I correct in understanding that a system developed from scratch doesn't work and can't be upgraded?

Does this apply to the CN2 STLINK V3?

Does the board itself work without any issues, and can you safely test projects on it?

Since I'm using a translator, I apologize for repeating this—I want to understand the other person correctly.

[Andrew Neil]

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@svsv wrote:

Am I correct in understanding that a system developed from scratch doesn't work and can't be upgraded?

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Sorry that doesn't make any sense.

If a system developed from scratch doesn't work, then it would have to be investigated to find the problem(s).

Depending on the nature(s) of the problem(s), it may or may not be possible or practical to fix ...

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@svsv wrote:

Does this apply to the CN2 STLINK V3?

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CN2 is for updating the firmware of the ST-Link itself.

A User should never need to do this - User updates to the ST-Link are applied via the standard USB.

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@svsv wrote:

Does the board itself work without any issues

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Of course, brand new out-of-the-box it should work without any issues.

But if it's previously been used (by you or others) then it might have been reconfigured or even damaged ...

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@svsv wrote:

can you safely test projects on it?

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Yes, that is the whole point of the board!

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@svsv wrote:

 I'm using a translator.

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Is that where the weird formatting is coming from?

Try posting as plain text ...

[Andrew Neil]

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@svsv wrote:

I'm new to the NUCLEO-H743ZI2 board.

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Do you have experience with any other ST Board(s)? Or with microcontrollers in general?

This is one of the more advanced Nucleo boards - perhaps it would be better to start on something simpler?

Again, note that this particular board is marked as Obsolete.

[TDK]

These questions are totally different than your original questions.

You need to ask better questions. Translation tools are excellent now.

See the user manual for how to use the board. It's entirely unclear what you're trying to do. Use STM32CubeMX to load examples if that's what you want.

[svsv]

Formatted for readability - p.a

Thank you very much for your time and reply—very helpful answers. As for me, yes, I have other, simpler boards like the F0, F1, and H7. It's just difficult to communicate through a translator. I'm just starting out and I really like environments like the ARDUINO IDE and PFLPROG (I really liked the graphical one). Since this large board has such an advanced STLINK V3, I thought maybe I could use a programmer on it to upload sketches to the smaller boards. The presence of the CN2 connector on the board also bothered me—it's supposedly there, so why is it there?