It might be that your application controller has lost “synchronization” with the packets on the UART. Use a timeout on your UART, and flush the buffer. Or enable the UART handshake. You may also add start/stop byte on the UART by setting DATA_INTERFACE = 4.
Last Update: August 8, 2017
January 25, 2017 1238 RC11xx And RC12xx Hardware Q&A