Support for H753ZI

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Alexstoryteller
Posts: 2
Joined: Fri Nov 19, 2021 12:33 am

Support for H753ZI

Post by Alexstoryteller »

Hello,

I recently decided to start trying to use these ST processors for an upcoming project, so I picked one that had good specs and ordered multiple of them. It turns out that this particular board, the STMH753ZI isn't part of the core yet and I cant use them quite yet. I've noticed that the STMH743ZI IS on here but all of the development kits are sold out anywhere that I look. Now, it seems to me that these processors are extremely similar and that it may be easy to add functionality by mirroring the 743 variant and changing a few of the specs. Is this possible? Is there another way for me to go about this? I've tried to use the generic boards and it uploads, but it doesn't execute the code and it may actually be bricking it. Any suggestions for getting the STMH753ZI working with Arduino, would be greatly appreciated.

Thanks!
by ag123 » Fri Nov 19, 2021 6:48 am
there are quite a number of h7* generic boards here
https://github.com/stm32duino/Arduino_C ... 2h7-boards.
A main thing about making a new variant is to figure out the PLL multipliers to use for an external crystal.
That takes a bit of exploration. board discussions should provide schematics etc as otherwise no one could guess what is on your board.
It is best to discuss it in a thread on its own in the boards section as well.

I recently got a h743vi boards sold online
viewtopic.php?f=28&t=1348
I've shared a preliminary variant in the thread for the h743 board.
the other series is normally different in the on-chip hardware present.

for new users ideally start with a board on the supported list, such as one of the nucleo boards
https://github.com/stm32duino/Arduino_Core_STM32
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ag123
Posts: 1655
Joined: Thu Dec 19, 2019 5:30 am
Answers: 24

Re: Support for H753ZI

Post by ag123 »

there are quite a number of h7* generic boards here
https://github.com/stm32duino/Arduino_C ... 2h7-boards.
A main thing about making a new variant is to figure out the PLL multipliers to use for an external crystal.
That takes a bit of exploration. board discussions should provide schematics etc as otherwise no one could guess what is on your board.
It is best to discuss it in a thread on its own in the boards section as well.

I recently got a h743vi boards sold online
viewtopic.php?f=28&t=1348
I've shared a preliminary variant in the thread for the h743 board.
the other series is normally different in the on-chip hardware present.

for new users ideally start with a board on the supported list, such as one of the nucleo boards
https://github.com/stm32duino/Arduino_Core_STM32
Alexstoryteller
Posts: 2
Joined: Fri Nov 19, 2021 12:33 am

Re: Support for H753ZI

Post by Alexstoryteller »

Thanks for all of this info! I should be able to piece together a solution from this.
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