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Altera_Forum's avatar
Altera_Forum
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14 years ago

problem with LCD Refreshing rate

Hello, I recently designed a model in Quartus which connects to a color LCD device and shows what ever is on the SRAM. I am using the NIOS processor to fill the RAM with the relevent Data (P...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Then, what you have so far referred to as a ram (sram) interface is actually the raw control pins of the LTM display?

Nevertheless, you said you have address/data/save lines: this seems indicate some sort of memory, buffer or control block between the Nios system and the fpga pins connected to the display. So, why you need to keep up streaming data?

My guess is that you have a very primitive LCD interface with a minimal memory buffer and this forces you to constantly write picture data even if it doesn't change. Is this right?