SPRUIU1C July 2020 – February 2024 DRA821U , DRA821U-Q1
At the completion of each set of operations which fulfill a Transfer Request, the UDMA will send a Transfer Response message back to either the Packet Descriptor (pass by reference channel mode) or to the completion queue in the Ring Accelerator (pass by value channel mode). The contents of this message are described in detail in the TI DMA Architecture.