SWCU194 March 2023 CC1314R10 , CC1354P10 , CC1354R10 , CC2674P10 , CC2674R10
The I2S:AIFDIRCFG register configures whether each ADx signal is input, output, or unused.
Each used I2S signal must be mapped to a physical I/O pin, DIOn, by configuring the corresponding IOC:IOCFGn register.