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But the question was not how to manage my RAM, but rather whether the 'DEVICE_FAMILY' predefined parameter existed in VHDL, or there was another way to get the information. E.g I am building a DDR2 PHY for Cyclone devices as a 'midnight project' and there the information whether I have a Cyclone II, II or IV device at hand may be useful. BTW that same information should also be available for TimeQuest. But now I am really asking too much, aren't I?
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Why don't you like the idea of having a generic at the top-level of your design. If the generic is simply DEVICE_FAMILY, or VENDOR and DEVICE, if you are playing with Altera, Xilinx, and Lattice devices. Down in the lower levels of your code, you can have generate statements based on the generics.
The top-level simulation, synthesis, and TimeQuest scripts can all use the same generic values to determine their operation.
Cheers,
Dave
Honored Contributor
