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Altera_Forum
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11 years ago

Getting Slow Frame Rate using Frame Buffer Driver on Cyclone IV Board

Hi, I am developing Frame Buffer based Video Driver to Play upto 720P Resolution Video on Cyclone IV board in Linux Platform. I have used concept of Linux PCI Driver as well as Virtual Frame ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

Following are clock frequency for my cyclone IV frame buffer board.

1) Read from PCI and Write to DDR2 : 125MHz

2) Read from DDR2 and Write to VGA master module : 75MHz

3) Read from VGA master module and write to VGA Display Output : It depends on resolutions which I have set.

Please let me know if you need any more information.

Regards,

Ritesh Prajapati