Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

problem with VGA display of a static image

Hello ALL please i've a question concerning the display of an image on VGA using FPGA i have the DE2 Board with cyclone II FPGA chip i created a quartus project,i've a VGA Controller that is...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Thank u Kosh271 for ur reply

to test the VGA controlleur i connected the data input to switches from the DE2 an i supplied it with 25MHZ

it's as if i'm sending the same pixel information , the display changes when i change the code on the switches

the clock rate of the VGA is 25MHZ

the ROM block is at 50Mz

the Dual RAM , write clock 50MHz , the read clock 25MHZ

thank u so much