SLVSJM6 November 2025 MSPM0G5187
UNICOMMUART Module
Functional
RTS line does not go HIGH if UART is disabled in RS-232 mode
When UART is disabled, the RTS line fails to return to its idle state (HIGH), remaining stuck at LOW.
Use software to enable the internal pull-up resistor and set the RTS line IO to Hiz mode.