IMX8M Nano | Sharing GPIO pins between A53 and M7

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IMX8M Nano | Sharing GPIO pins between A53 and M7

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shai_b
Senior Contributor I

Dear Team,

I was looking for some documents that describe the sharing pins/interface (such as UART/I2C...) between A53 and M7 and I failed to find such a doc.

I know there are some pins/interfaces that can be shared and working in parallel as well in the Cortex A53 and Cortex M7 could please advise if there is any app note/guide that describes the shared peripheral/pins?

Waiting for your kind feedback, Many Thanks.

Regards,

Shai

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shai_b
Senior Contributor I

Hello @joanxie,

Many thanks for your support.

KR,

Shai

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joanxie
NXP TechSupport
NXP TechSupport

if you need to know what m4 and A53 share, you can refer to the Chapter 2
Memory Map of reference manual, if you want to know how A53 and M4 community, pls refer to the chapter 2.8 Remote Processor Messaging and chapter 10.1.4.1.3 Configuration of enclose file

for M4, suggest that you can download SDK to refer

"https://mcuxpresso.nxp.com/en/welcome"