Register Address Map - Register Address Map - 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

Table 1. AXI CDMA Register Summary
Address Space Offset ⁽¹⁾	Name	Description
00h	CDMACR	CDMA Control
04h	CDMASR	CDMA Status
08h	CURDESC_PNTR	Current Descriptor Pointer
0Ch⁽²⁾	CURDESC_PNTR_MSB	Current Descriptor Pointer. MSB 32 bits. Applicable only when the address space is greater than 32.
10h	TAILDESC_PNTR	Tail Descriptor Pointer
14h⁽²⁾	TAILDESC_PNTR_MSB	Tail Descriptor Pointer. MSB 32 bits. Applicable only when the address space is greater than 32.
18h	SA	Source Address
1Ch⁽²⁾	SA_MSB	Source Address. MSB 32 bits. Applicable only when the address space is greater than 32.
20h	DA	Destination Address
24h⁽²⁾	DA_MSB	Destination Address. MSB 32 bits. Applicable only when the address space is greater than 32.
28h	BTT	Bytes to Transfer
Address Space Offset is relative to C_BASEADDR assignment. This register is applicable only when the address width is more than 32. This register holds the upper 32 bits of the Address.