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Altera_Forum
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15 years ago

Why won't my FIFO Fill?

Hello, In my SOPC design I have a Dual Clock FIFO fed by an SGDMA clocked at 80Mhz (no burst) and feeding a video pipeline clocked at 20Mhz. My SDRAM is 8bit and the SGDMA is clocking ou...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

If you don't use bursts, it could require more clock cycles to fetch the data from the SDRAM, meaning that it won't be able to fill the FIFO at 40MB/s