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Altera_Forum
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11 years ago

Onchip RAM Corrupted by Reset

Hi, I currently have a large system that I have been developing for the last year or so. Until now I have been uploading a sof file to the FPGA, and then using eclipse to upload Nios code to an...
Altera_Forum's avatar
Altera_Forum
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10 years ago

Can you add a signaltap instance with a powerup trigger trigging on the write signal of your RAM module? This could tell you if the corruption is a problem in the RAM module itself or if the CPU is doing something weird at one point and overwrites the RAM. The good thing about powerup triggers is that the sampled data is held in Signaltap's buffer until you read it, so you can restart the PC and then use Signaltap later to recover the data.