Pin-compatible layout for STM32F7 and STM32H7 possible?

[TThan]

Hi to all,

I am planning a basic STM32 platform PCB for industrial HMI for different customers. At the moment is is not quite clear which microcontroller from STM32F7 or STM32H7 series will be used. It depends on firmware developed by customer. But hardware is (as always) price sensitive and has to be available soon.

So my idea is to design the board in such a way that I can choose the STM32 controller that fits the application at assembly time.

Is there a document or other information about which STM32F7 or STM32H7 controllers are pin compatible?

Is it possible at all to make a pin compatibe layout for STM32F7 and STM32H7 controllers?

Thank you for ideas, hints and support

 Thomas

[Tesla DeLorean · Accepted solution]

The Data Sheets are the authoritive source. ST gets a bit lost on what pin-for-pin means on occasion, and you also have to look at what pins they option via resistors/bridges.

Using the 144-pin F7 and H7 on the same ​board here.

Look at the Nucleo-144 designs.​

[TThan]

Hi Clive,

thank you for answering.

Yes the data sheets are a viable way to go. But since there are dozens of STM32H7 and STM32F7 derivates in different housings I was hoping there is something like an application note on how to layout a design to support a maximum of derivates.

Your nucleo board hint is very valuable. Thank you very much for pointing me in that direction, I guess this will be the best way to go.

Thomas