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Altera_Forum
Honored Contributor
21 years agoInterface to User Logic
I am building a Nios2 system that has custom RAM/FLASH. I am trying to use the Interface to User Logic using an 8 bit data bus (inout), 15 address bits, nRD, nWR, and 2 nChipselects. How in tarnati...
Altera_Forum
Honored Contributor
21 years agoTerry,
I already figured out how to change the base address, but how do you change the end address. It currently is showing one single byte (0x100000 to 0x100001). You said... "If you need to decode 2 chip selects, just make your address bus 1 bit wider and use the upper address bit to decode the single chip select out of the nios into 2 separate chip selects for your memory." Are you saying to gen 2 chip selects externaly (glue logic) using one SOPC chip select and the upper address bit? Rick