AT91SAM9G45B-CU Datasheet, PDF (893/1185 Pages) ATMEL Corporation – AT91SAM ARM-based Embedded MPU

39.5.22 DMA Codec Control Register
Register Name:
DMA_C_CTRL
Access Type:
Read-write
Reset Value:
0x00000000
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
• 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.
SAM9G45 [DATASHEET]
6438K–ATARM–12-Feb-13
893