SPRUIE9D May 2017 – May 2024 DRA74P , DRA75P , DRA76P , DRA77P
The VPDMA requires a channel to be setup for each group of transfers. All the channels are described through a Data Transfer Descriptor that has a common format. The client that the channel is mapped to interprets the information in the descriptor to perform the requested data transfer.
Each of the channels has a type of data that it can support based upon the client that it services. The VPDMA supports three types of channels: