One dual‑UART connector provides access to the MCC.
The UART port enables you to access the command‑line interface in the MCC and perform application software debugging.
NoteThe UART I/O voltage at the connectors is 3.3V.
The following figure shows the dual‑UART connector, J57.
Figure A-9 Dual‑UART connector, J57A, upper, and J57B, lower
The following table shows the pin mapping for UART 0. This is the upper connector, J57A, of the dual‑UART connector, J57.
Table A-5 UART 0 connector, J57A, signal list
The following table shows the pin mapping for UART 1. This is the lower connector, J57B, of the dual‑UART connector, J57.
Table A-6 UART 1 connector, J57B, signal list