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Altera_Forum's avatar
Altera_Forum
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16 years ago

Memory usage for the RAM port 2

Hi, I had a common question regarding the Megawizard ram port 2 memory usage. The device use was stratix II. When i create the Megawizard, i choose two read/write ports on the first page. ...
Altera_Forum's avatar
Altera_Forum
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16 years ago

ah right.

to get a depth of 2048, the RAM is configured into 2048 x 4 mode. to make the bus x18, five x4 RAMs have to be used (2048 x 2 bits are unused). if four 512 x 18 blocks were used, external logic would have to be used to MUX between the 4 sets of x18 outputs.