Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Data Sheet
Product codes
AT91SAM9N12-EK
507
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
• 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.
this register.
The DONE field is written back to memory at the end of the current descriptor transfer.
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
Value
Name
Description