Can I remap the flash UART0 to some other I/O's other than PIN34 and PIN35?

bonmotwang
Posts: 33
Joined: Fri Apr 12, 2019 4:25 pm
Location: Canada

Can I remap the flash UART0 to some other I/O's other than PIN34 and PIN35?

Postby bonmotwang » Tue Jul 02, 2019 3:56 pm

It was a mistake on my prototype.
I used PIN34 and PIN35 for something else. Right now I am developing software on the first round of prototype.
I will change it in the next round of prototype.
But with what I have, can I reconfig the UART0 to some other unused PINS. I can just solder the flash programmer RXD/TXD to those unused I/Os.
Trying to avoid cutting the traces on the PCB.

Thanks
Paul

username
Posts: 108
Joined: Thu May 03, 2018 1:18 pm

Re: Can I remap the flash UART0 to some other I/O's other than PIN34 and PIN35?

Postby username » Tue Jul 02, 2019 5:11 pm

There is an option in menuconfig to change UART0 TX/RX pins. But I am not 100% sure if that is just for the console only.
You can give it a try.

bonmotwang
Posts: 33
Joined: Fri Apr 12, 2019 4:25 pm
Location: Canada

Re: Can I remap the flash UART0 to some other I/O's other than PIN34 and PIN35?

Postby bonmotwang » Tue Jul 02, 2019 7:47 pm

OK, Thanks.
Will give it a try later.

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