SPRUIU1C July 2020 – February 2024 DRA821U , DRA821U-Q1
The Rx DMA unit block implements all of the state machine functionality necessary to implement static TR type UTC source channels. The Rx DMA unit waits until it is triggered by an incoming DMA event and then reads data from an external memory mapped source via a VBUSP controller read interface into the Rx per-channel data FIFO associated with the channel. The number and width of the writes that are performed is in accordance with the parameters, which have been programmed via PSI-L into the static TR for the channel.