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Altera_Forum
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9 years ago

Trouble with altsyncram on cyclone III

Hello, I'm working on a simple video buffer, using the altsyncram dual port megafunction. Reading the memory works fine, I can display video using a memory initialization file. Writing to memory s...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

Another update, I don't think this warning was there before but now I have a connectivity check error where the critical write enable signal is said to be connected to dangling logic. The signal obviously goes to the VRAM, but Quartus apparently doesn't know this, and is removing it. Why would this happen?

Edit: Never mind, that signal actually isn't the one going to the VRAM, so it's fine if it gets removed.