XDMAC Channel x Next Descriptor Control Register [x = 0..23]
Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
Access | |||||||||
Reset |
Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
Access | |||||||||
Reset |
Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
Access | |||||||||
Reset |
Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
NDVIEW[1:0] | NDDUP | NDSUP | NDE | ||||||
Access | R/W | R/W | R/W | R/W | R/W | ||||
Reset | 0 | 0 | 0 | 0 | 0 |
Channel x Next Descriptor Enable
0 (DSCR_FETCH_DIS): Descriptor fetch is disabled.
1 (DSCR_FETCH_EN): Descriptor fetch is enabled.
Channel x Next Descriptor Source Update
0 (SRC_PARAMS_UNCHANGED): Source parameters remain unchanged.
1 (SRC_PARAMS_UPDATED): Source parameters are updated when the descriptor is retrieved.
Channel x Next Descriptor Destination Update
0 (DST_PARAMS_UNCHANGED): Destination parameters remain unchanged.
1 (DST_PARAMS_UPDATED): Destination parameters are updated when the descriptor is retrieved.
Channel x Next Descriptor View
Value | Name | Description |
---|---|---|
0 | NDV0 | Next Descriptor View 0 |
1 | NDV1 | Next Descriptor View 1 |
2 | NDV2 | Next Descriptor View 2 |
3 | NDV3 | Next Descriptor View 3 |