PCI Express: Migrating to Stratix 10 from Arria 10 for the Avalon-MM and Avalon-MM DMA Interfaces

ID 683459
Date 1/23/2017
Public

3.3. Read DMA Interface

Table 4.  Read DMA Interface
Stratix 10 Arria 10, Stratix V Comments

rd_dma_*

RdDMA*

Signal names differ, but functionality is the same unless otherwise noted below.

rd_dma_write_data_o[255:0]

RdDmaWriteData_o[<n-1>:0]

Stratix 10: Supports 256-bit interface only.

Arria 10, Stratix V: <n> = 128 or 256

rd_dts_*

RdDTS* Signal names differ for descriptor table slave interface, but functionality is the same unless otherwise noted below.
rd_dts_write_data_i[255:0] RdDTSWriteData_i[<n-1>:0]

Stratix 10: Supports 256-bit interface only.

Arria 10, Stratix V:

<n> = 128 or 256

rd_dts_burst_count_i[4:0] RdDTSBurstCount_i[<n-1>:0]

Stratix 10: Supports 256-bit bit interface only.

Arria 10, Stratix V:

<n> = 5 for a 256-bit interface.

<n> = 6 for a 128-bit interface.

rd_dcm_* RdDCM* Signal names differ but functionality is the same.
rd_ast_rx* RdAstRx* Signal names differ but functionality is the same.
rd_ast_tx* RdAstTx* Signal names differ but functionality is the same.

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