p2020是否支持 ELBC与DDR之间DMA传输

[Jaygao]

[June_Lu]

13.4.2 DMA transfer interfaces
The DMA can be used to achieve data transfers across the entire memory map.
Note that a single DMA transfer in any of the direct or chaining modes must not cross a
16 GB (34-bit) address boundary.

[Jaygao]

is the external request need for the DMA transcation between e LBC and ddr？