Micron Technology, Inc.
HARDWARE MANAGEMENT GRANULARITY FOR MIXED MEDIA MEMORY SUB-SYSTEMS

Abstract:

A direct memory access (DMA) controller in a memory system receives a DMA command for a chunk of data to be moved from a source memory device having a first maximum access granularity to a destination memory device having a second maximum access granularity, the DMA command comprising a data mask. The DMA controller reads, using the data mask, the chunk of data from the source memory device up to the first maximum access granularity and writes, using the data mask, the chunk of data to the destination memory device up to the second maximum access granularity.