Atmel Evaluation Kit AT91SAM9M10-G45-EK AT91SAM9M10-G45-EK Data Sheet
Product codes
AT91SAM9M10-G45-EK
889
SAM9M10 [DATASHEET]
6355F–ATARM–12-Mar-13
39.5.22
DMA Codec Control Register
Name:
DMA_C_CTRL
Access:
Read-write
Reset Value:
0x00000000
• C_FETCH: Descriptor Fetch Control Field
0: Codec channel fetch operation is disabled.
1: Codec channel fetch operation is enabled.
• C_WB: Descriptor Writeback Control Field
0: Codec channel writeback operation is disabled.
1: Codec channel writeback operation is enabled.
• C_IEN: Transfer Done flag control
0: Codec Transfer done flag generation is enabled.
1: Codec Transfer done flag generation is disabled.
• C_DONE: (This field is only updated in the memory.)
0: The transfer related to this descriptor has not been performed.
1: The transfer related to this descriptor has completed. This field is updated in memory at the end of the transfer, when.
writeback operation is enabled.
writeback operation is enabled.
31
30
29
28
27
26
25
24
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
–
–
–
–
–
15
14
13
12
11
10
9
8
–
–
–
–
–
–
–
–
7
6
5
4
3
2
1
0
–
–
–
–
C_DONE
C_IEN
C_WB
C_FETCH