SPRUJ28E November 2021 – September 2024 AM68 , AM68A , TDA4AL-Q1 , TDA4VE-Q1 , TDA4VL-Q1
After reset, all channels that are configured in Third Party transfer mode will be idle and waiting for work to be assigned to them. In order to initiate Third Party channel operation, the host software places work in the form of either a Transfer Request Descriptor or an individual Transfer Request record onto the Tx Queue of the channel. The exact mechanisms which are used and the contents of both the Transfer Request Descriptor and the Transfer Request record are given in the TI DMA Architecture specification.