Datasheet

375
SAM3X / SAM3A [DATASHEET]
Atmel-11057C-ATARM-SAM3X-SAM3A-Datasheet_23-Mar-15
• DCSIZE: Destination Chunk Transfer Size
• SRC_WIDTH: Transfer Width for the Source
• DST_WIDTH: Transfer Width for the Destination
•DONE
0: The transfer is performed.
1: If SOD field of DMAC_CFG register is set to true, then the DMAC is automatically disabled when an LLI updates the
content of this register.
The DONE field is written back to memory at the end of the transfer.
Value Name Description
000 CHK_1 1 data transferred
001 CHK_4 4 data transferred
010 CHK_8 8 data transferred
011 CHK_16 16 data transferred
100 CHK_32 32 data transferred
101 CHK_64 64 data transferred
110 CHK_128 128 data transferred
111 CHK_256 256 data transferred
Value Name Description
00 BYTE the transfer size is set to 8-bit width
01 HALF_WORD the transfer size is set to 16-bit width
1X WORD the transfer size is set to 32-bit width
Value Name Description
00 BYTE the transfer size is set to 8-bit width
01 HALF_WORD the transfer size is set to 16-bit width
1X WORD the transfer size is set to 32-bit width