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How to configure HyperBus (in IOC) when external RAM signals are connected to OCTOSPI1 and also OCTOSPI2 (because of PCB layout) on STM32H725

PZema.1
Associate

‎2021-06-11 01:11 AM

Hi,

we have configured OCTOSPI1/2 follows :

0693W00000BahvuQAB.png0693W00000Bahw9QAB.png 

But signal ChipSelect is not changing when we measure it. When we moved Chipselect to OCTOSPI2 ChipSelect is working ... How do we have to change configuration to work with ChipSelect on OCTOSPI1 ?

Thanks

Petr

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