Datasheet

1017
SAM9G45 [DATASHEET]
Atmel-6438O-ATARM-SAM9G45-Datasheet_08-Dec-15
40.7.17 DMAC Channel x [x = 0..7] Control B Register
Name: DMAC_CTRLBx [x = 0..7]
Address: 0xFFFFEC4C [0], 0xFFFFEC74 [1], 0xFFFFEC9C [2], 0xFFFFECC4 [3], 0xFFFFECEC [4],
0xFFFFED14 [5], 0xFFFFED3C [6], 0xFFFFED64 [7]
Access: Read/Write
• SIF: Source Interface Selection Field
00: The source transfer is done via AHB-Lite Interface 0.
01: The source transfer is done via AHB-Lite Interface 1.
10: Reserved.
11: Reserved.
• DIF: Destination Interface Selection Field
00: The destination transfer is done via AHB-Lite Interface 0.
01: The destination transfer is done via AHB-Lite Interface 1.
10: Reserved.
11: Reserved.
•SRC_PIP
0: Picture-in-Picture mode is disabled. The source data area is contiguous.
1: Picture-in-Picture mode is enabled. When the source PIP counter reaches the programmable boundary, the address is
automatically increment of a user defined amount.
•DST_PIP
0: Picture-in-Picture mode is disabled. The Destination data area is contiguous.
1: 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
0: Source address is updated when the descriptor is fetched from the memory.
1: 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
76543210
–– DIF –– SIF