Datasheet

521
SAM9X25 [DATASHEET]
11054E–ATARM–10-Mar-2014
• SRC_WIDTH: Transfer Width for the Source
• DST_WIDTH: Transfer Width for the Destination
• DONE: Current Descriptor Stop Command and Transfer Completed Memory Indicator
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 current descriptor transfer.
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