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Altera_Forum's avatar
Altera_Forum
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16 years ago

Memory usage

Hello! I am developing a video controller for a graphic, black&white LCD with 320x240 pixels with a minimum of two video memory pages. I was hoping I can use the internal memory bits availab...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

what about an ip block between your cpu and the 9 bit memory ?

this ip block would do the bitshift of your 16bit cpu and the display memory and the adr calculations

also this ip would do the cpu writes as read modify write cycles.

as the fpga internal memory is very fast you can access this memory with your system clock speed, but be aware of the read delay see the timing diagramm available when you create your memory with the wizzard.