SPRUIL1D May 2019 – December 2024 DRA829J , DRA829J-Q1 , DRA829V , DRA829V-Q1 , TDA4VM , TDA4VM-Q1
After reset, all threads on PSI-L are uninitialized and unpaired. The host will pair each source PDMA channel with (typically) a corresponding destination channel in the UDMA-P. The PDMA thread is configured to point to the UDMA-P thread and the UDMA-P thread is configured to point to the PDMA thread. Once paired, the source channels in the PDMA will send all their data to the source channel in the UDMA-P and the destination channel in the UDMA-P will never see any data other than data from the source channel in the PDMA.
The following PSI-L registers are related to source thread pairing:
Refer to their descriptions for further details.