Transfer Descriptor NXTDESC_PNTR_MSB (Next Descriptor Pointer – Offset 04h) - 4.1 English - PG034

AXI Central Direct Memory Access LogiCORE IP Product Guide (PG034)

Document ID
PG034
Release Date
2025-07-11
Version
4.1 English

This word provides the upper 32 bits of the address pointer to the first word of the next transfer descriptor in the descriptor chain. This is applicable only when the address space is greater than 32.

Figure 1. Transfer Descriptor NXTDESC_PNTR_MSB Word
Table 1. Transfer Descriptor NXTDESC_PNTR_MSB Word Details
Bits Field Name Description
31 to 0 NxtDescPntr

Next Descriptor Pointer

This field contains the MSB 32 bits of the Next Descriptor Pointer. This is applicable only when the address space is more than 32 bits.