SPRUIV7B May 2022 – September 2023 AM620-Q1 , AM623 , AM625 , AM625-Q1 , AM625SIP
Table 12-91 lists the RS-485 interface input/output (I/O) signals.
Module Pin | Device Level Signal | I/O(1) | Description | Module Pin Reset Value(2) |
---|---|---|---|---|
WKUP_UARTi(3) | ||||
RX | WKUP_UARTi(3)_RXD | I | Serial data input | HiZ |
TX | WKUP_UARTi(3)_TXD | O | Serial data output | 1 |
DIR | WKUP_UARTi(3)_RTSn | O | RS-485 Direction | 1 |
MCU_UARTi(3) | ||||
RX | MCU_UARTi(3)_RXD | I | Serial data input | HiZ |
TX | MCU_UARTi(3)_TXD | O | Serial data output | 1 |
DIR | MCU_UARTi(3)_RTSn | O | RS-485 Direction | 1 |
UARTi(3) | ||||
RX | UARTi(3)_RXD | I | Serial data input | HiZ |
TX | UARTi(3)_TXD | O | Serial data output | 1 |
DIR | UARTi(3)_RTSn | O | RS-485 Direction | 1 |
For more information about device level signals (pull-up/down resistors, buffer type, multiplexing and others), see tables Pin Attributes and Pin Multiplexing in the device-specific Datasheet.