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Altera_Forum
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11 years ago

Video rate dual port RAM filter question

Hello All, A video rate FIR filter needs to be constructed, 31 taps x 12 bits. Also, NIOS needs to be able to update the coefficients on the fly. Video will be sampled at clock rate, so al...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

Thank you for the suggestions.

Given that the video side is read only, and the NIOS is write only, the registers make a lot of sense (I had my head stuck with the idea of dual-port RAM). Also, the registers are likely to be much lower resource overhead than the associated DP RAM.

A dual port 192 x 1 packed array is scary, plenty of oppertunities to misplace a bit or two.

Regards, Mark