SAM3A4C Atmel Corporation, SAM3A4C Datasheet - Page 389

• Manufacturer Part Number: SAM3A4C
• Manufacturer: Atmel Corporation

23.7.18
Name:
Address:
Access:
Reset:
This register can only be written if the WPEN bit is cleared in
• SRC_PER: Source with Peripheral identifier
Channel x Source Request is associated with peripheral identifier coded SRC_PER handshaking interface.
• DST_PER: Destination with Peripheral identifier
Channel x Destination Request is associated with peripheral identifier coded DST_PER handshaking interface.
• SRC_H2SEL: Software or Hardware Selection for the Source
0 (SW): Software handshaking interface is used to trigger a transfer request.
1 (HW): Hardware handshaking interface is used to trigger a transfer request.
• DST_H2SEL: Software or Hardware Selection for the Destination
0 (SW): Software handshaking interface is used to trigger a transfer request.
1 (HW): Hardware handshaking interface is used to trigger a transfer request.
• SOD: Stop On Done
0 (DISABLE): STOP ON DONE disabled, the descriptor fetch operation ignores DONE Field of CTRLA register.
1 (ENABLE): STOP ON DONE activated, the DMAC module is automatically disabled if DONE FIELD is set to 1.
• LOCK_IF: Interface Lock
0 (DISABLE): Interface Lock capability is disabled
1 (ENABLE): Interface Lock capability is enabled
• LOCK_B: Bus Lock
0 (DISABLE): AHB Bus Locking capability is disabled.
1(ENABLE): AHB Bus Locking capability is enabled.
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12
31
23
15
–
–
–
7
DMAC Channel x [x = 0..5] Configuration Register
DMAC_CFGx [x = 0..5]
0x400C4050 [0], 0x400C4078 [1], 0x400C40A0 [2], 0x400C40C8 [3], 0x400C40F0 [4], 0x400C4118 [5]
Read-write
0x0100000000
LOCK_IF_L
30
22
14
–
–
6
DST_PER
DST_H2SEL
LOCK_B
29
21
13
5
FIFOCFG
LOCK_IF
28
20
12
–
4
“DMAC Write Protect Mode Register” on page 391
27
19
11
–
–
–
3
26
18
10
–
–
2
SRC_PER
SRC_H2SEL
AHB_PROT
25
17
–
9
1
SAM3X/A
SAM3X/A
SOD
24
16
8
–
0
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