SPRUIU1C July 2020 – February 2024 DRA821U , DRA821U-Q1
The RS-485 network physical layer consists of two-wire differential bus, usually twisted pair. External RS-485 transceiver IC is needed to access a RS-485 bus by the RS-485 mode. Figure 12-386 shows an example connection of MCU_UART0 in RS-485 mode.