SPRUIE9D May 2017 – May 2024 DRA74P , DRA75P , DRA76P , DRA77P
The EDMA parameters consist of eight words as shown in Figure 32-18. All EDMA transfers, in the context of the VCPs, must contain an even number of words, and have source and destination addresses double-word aligned.
All EDMA transfers must be double-word aligned and the transfer size for the VCP EDMA transfers must be a multiple of 8. Single-word transfers that are not double-word aligned cause errors in the TCP2/VCP1/VCP2 memory.
Transfers to the VCP FIFOs must be configured to NOT use the EDMA FIFO/Const mode. Instead, the transfers should be set with:
For more information about EDMA, refer to Section 18.2 Enchanced DMA controller.
| 31 | 0 |
| EDMA Channel Options Parameter (OPT) | |
| EDMA channel Source Address (SRC) | |
| Number of arrays of length ACNT (BCNT) | Number of bytes in array (ACNT) |
| EDMA Channel Destination Address (DST) | |
| Destination 2nd Dimension Index (DBIDX) | Source 2nd Dimension Index (SBIDX) |
| BCNTRLD | LINK |
| Destination 3rd Dimension Index (DCIDX) | Source 3rd Dimension Index (SCIDX) |
| Reserved | Number of frames in block (CCNT) |