This value provides the upper 32 bits of the pointer to the next descriptor in the descriptor chain. This is used only when AXI DMA is configured for an address space greater than 32
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X-Ref Target - Figure 2-29 
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Bits |
Field Name |
Description |
|---|---|---|
|
31 to 0 |
Next Descriptor Pointer |
Indicates the MSB 32 bits of the pointer pointing to the first word of the next descriptor. |