Atmel Evaluation Kit AT91SAM9G25-EK AT91SAM9G25-EK Data Sheet

Product codes
AT91SAM9G25-EK
Page of 1102
501
SAM9G25 [DATASHEET]
11032C–ATARM–25-Jan-13
31.7.17 DMAC Channel x [x = 0..7] Control B Register
Name:
DMAC_CTRLBx [x = 0..7]
Address:
0xFFFFEC4C (0)[0], 0xFFFFEC74 (0)[1], 0xFFFFEC9C (0)[2], 0xFFFFECC4 (0)[3], 0xFFFFECEC (0)[4], 
0xFFFFED14 (0)[5], 0xFFFFED3C (0)[6], 0xFFFFED64 (0)[7], 0xFFFFEE4C (1)[0], 0xFFFFEE74 (1)[1], 
0xFFFFEE9C (1)[2], 0xFFFFEEC4 (1)[3], 0xFFFFEEEC (1)[4], 0xFFFFEF14 (1)[5], 0xFFFFEF3C (1)[6], 
0xFFFFEF64 (1)[7]
Access:
Read-write
Reset: 0x00000000
This register can only be written if the WPEN bit is cleared in 
• SIF: Source Interface Selection Field
• DIF: Destination Interface Selection Field
• SRC_PIP: Source Picture-in-Picture Mode
0 (DISABLE): Picture-in-Picture mode is disabled. The source data area is contiguous.
1 (ENABLE): Picture-in-Picture mode is enabled. When the source PIP counter reaches the programmable boundary, the 
address is automatically incremented by a user defined amount.
• DST_PIP: Destination Picture-in-Picture Mode
0 (DISABLE): Picture-in-Picture mode is disabled. The Destination data area is contiguous.
1 (ENABLE): Picture-in-Picture mode is enabled. When the Destination PIP counter reaches the programmable boundary the 
address is automatically incremented by a user-defined amount.
• SRC_DSCR: Source Address Descriptor
0 (FETCH_FROM_MEM): Source address is updated when the descriptor is fetched from the memory.
1 (FETCH_DISABLE): Buffer Descriptor Fetch operation is disabled for the source.
31
30
29
28
27
26
25
24
AUTO
IEN
DST_INCR
SRC_INCR
23
22
21
20
19
18
17
16
FC
DST_DSCR
SRC_DSCR
15
14
13
12
11
10
9
8
DST_PIP
SRC_PIP
7
6
5
4
3
2
1
0
DIF
SIF
Value
Name
Description
00
AHB_IF0
The source 
transfer is done via AHB-Lite Interface 0
01
AHB_IF1
The source 
transfer is done via AHB-Lite Interface 1
Value
Name
Description
00
AHB_IF0
The destination 
transfer is done via AHB-Lite Interface 0
01
AHB_IF1
The destination 
transfer is done via AHB-Lite Interface 1