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Altera_Forum's avatar
Altera_Forum
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16 years ago

Nios MPU. Problems after disabling Memory Protection Unit

Hello, I took the MPU usage example from the Nios Wiki as the starting point for using the MPU. I adapted it to my hardware (DE1 board), using the 512K off chip SRAM and a 16K onchip ram in pla...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Quite possible the memory cycle you are doing is accessing some other part of the system - due to address aliasing - and that is causing the reset.

The SOPC builder doesn't seem to tell you the actual address decode rules it has put in place.