Intel® Stratix® 10 Hard Processor System Technical Reference Manual

ID 683222
Date 11/28/2022
Public

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15.4.9.1. Multi-Transaction DMA Command

The NAND flash controller processes multi-transaction DMA commands only if it receives all four command-data pairs in order. The flash controller responds to out-of-order commands with an unsup_cmd interrupt. The flash controller also responds with an unsup_cmd interrupt if sequenced commands are interleaved with other flash controller MAP commands.

To initiate DMA with a multi-transaction DMA command, you send four command-data pairs to the NAND flash controller through the Control and Data registers in the nanddata region, as shown in "Command-Data Pair Formats".