SRC_BOOT pin assigment conflict

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SRC_BOOT pin assigment conflict

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masa3176
Contributor I

SRC_BOOT pin and TRACE[3:0] conflict in RT1171 PIN assignment. I don't understand how to use it, is it possible to switch this port in the emulator to make it work?

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kerryzhou
NXP TechSupport
NXP TechSupport

Hi @masa3176 ,

   You want to use SRC_BOOT pin and TRACE[3:0]  as other function, right?

  1. To SRC_BOOT pin

       You can configure it as your app required pin after boot.

       But, you need to make sure, during boot, the pin status maches the boot situation. Or you use boot from fuse, use the fuse to configure the boot_cfg.

 

2. About the TRACE[3:0]

  You also can use it as other function, just it will influence the Trace function.

  If you don't use the trace function, you totally can use your app function.

 

Wish it helps you!

Best Regards,

Kerry

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masa3176
Contributor I

Thank you for the adovice. I will confirm your advice.

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1,446 Views
masa3176
Contributor I
Hello

Thanks for your advice. SRC_BOOT also conflicts with LPSPI3. In this case as well, is it okay to think about what you said?

Thank you
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1,431 Views
kerryzhou
NXP TechSupport
NXP TechSupport

Hi @masa3176 ,

  It's the same situation, just make sure during the reset, the chip BOOT_CFG related pins matchs the boot, after boot succesfully, then you can use the app configure it to other function.

 

Wish it helps you!

Best Regards,

Kerry

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1,387 Views
masa3176
Contributor I

Thank you

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kerryzhou
NXP TechSupport
NXP TechSupport

You are welcome!

If your question is solved, please help to mark the correct answer, just to close this case.

Any new questions, welcome to create the new questions post, thanks.

Best Regards,

Kerry

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