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Is this understanding incorrect?
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Yes.
Read the megafunction user guide for the RAM component.
http://www.altera.com/literature/ug/ug_ram_rom.pdf In addition to using hardware to learn about FPGAs, you should also learn to use the Modelsim simulator. It allows you to look at the design in more detail.
Download the zip file from post# 5 in this thread and run the Modelsim simulation
http://www.alteraforum.com/forum/showthread.php?t=35572 Its for a dual-port RAM, but you'll get the idea (its also written in VHDL, but don't let that scare you, just run the scripts and look at the Modelsim waveforms).
Cheers,
Dave
Honored Contributor
