XDMAC_CNDA

XDMAC Channel x Next Descriptor Address Register [x = 0..23]

  0x68 + n*0x40 [n=0..23] 32 Read/Write 0x00000000   24 64

XDMAC Channel x Next Descriptor Address Register [x = 0..23]

Bit  31 30 29 28 27 26 25 24  
  NDA[29:22]  
Access  R/W R/W R/W R/W R/W R/W R/W R/W  
Reset  0 0 0 0 0 0 0 0  
Bit  23 22 21 20 19 18 17 16  
  NDA[21:14]  
Access  R/W R/W R/W R/W R/W R/W R/W R/W  
Reset  0 0 0 0 0 0 0 0  
Bit  15 14 13 12 11 10 9 8  
  NDA[13:6]  
Access  R/W R/W R/W R/W R/W R/W R/W R/W  
Reset  0 0 0 0 0 0 0 0  
Bit  7 6 5 4 3 2 1 0  
  NDA[5:0]   NDAIF  
Access  R/W R/W R/W R/W R/W R/W   R/W  
Reset  0 0 0 0 0 0   0  

Bit 0 – NDAIF: Channel x Next Descriptor Interface

Channel x Next Descriptor Interface

ValueDescription
0

The channel descriptor is retrieved through system interface 0.

1 The channel descriptor is retrieved through system interface 1.

Bits 31:2 – NDA[29:0]: Channel x Next Descriptor Address

Channel x Next Descriptor Address

The 30-bit width of the NDA field represents the next descriptor address range 31:2. The descriptor is word-aligned and the two least significant register bits 1:0 are ignored.