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Razor Serial Port

Posted: Mon Oct 29, 2018 1:09 pm
by bradstew@fastmail.us
I have a Razor 9DoF with the ATSAM21 ARM M0 processor.
How do you set up the external serial port? I want to connect the GPS Mouse.
The M0 device has extra UART peripherals and I want to use the pins marked as Rx and Tx.
How do you do this?
All other examples use software UARTS.