SPRUJB3C March 2024 – November 2025 AM67 , AM67A , TDA4AEN-Q1 , TDA4VEN-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 12-57 shows an example connection of an UART instance in RS-485 mode.