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SKACH2's avatar
SKACH2
Icon for New Contributor rankNew Contributor
6 years ago

Is it possible to read using Avalon bus one fixed address from 32-bit slave using 64-bit master

Hi, There is a Qsys system that includes a Nios II processor, on-chip memory with a 64-bit bus, a DMA component with a 64-bit bus and two components essentially containing just a sequence of registe...
sstrell's avatar
sstrell
Icon for Super Contributor rankSuper Contributor
6 years ago

The 64-bit master will always perform a 64-bit read, requiring 2 32-bit reads from the slave. Use byte enables or just vector slicing to select the correct data to read.

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