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MSPM0L2228: Issue regarding PA1 pin

Part Number: MSPM0L2228
Other Parts Discussed in Thread: SYSCONFIG

Tool/software:

Dear TI Support Team,

I am currently working with the MSPM0L22228 microcontroller and have encountered an issue related to UART communication.

I have initialized PA0 as the TX pin and PA1 as the RX pin. While the TX functionality on PA0 is working correctly and transmitting data as expected, the RX on PA1 is not functioning properly.

When I attempt to read data from the RX buffer, I consistently receive the following sequence, regardless of the actual input:

Rx: 80 00 00 00 00 00 00 00 80 00 80 00 00

It seems like the RX pin is either not receiving the expected input or the data is being misinterpreted. Could you please assist in identifying potential causes for this behavior or provide guidance on debugging this issue?