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UART-1 Tx Debug Messages
The UART-1 is used for debug port, located in J9.
You may dump debug messages from this J9 pin2 UART-1 Tx.
J9:
Pin 1: UART-1 Rx (Data mux input, described below)
Pin 2 :UART-1 Tx (for Debug message output, GPIO28)
Pin 3: Ground
The communication parameters for UART-1 are 115200,n,8,1.
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