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???
05/22/09 14:19
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 		 #165549 - Understanding VGA signals
Responding to: ???'s previous message
1st needed is an understanding of VGA signals...

See here

http://www.epanorama.net/documents/pc/vga_timing.html

http://www.ue.eti.pg.gda.pl/fpgalab/zadania.spartan3/zad_vga_generowanie_sygnalu_vga_en.html

So the AT89S2051 might be a little slow depending on the VGA resolutions and colors required.


Here's an ARM7 60MHz CPU driving a VGA monitor... and it does take up a lot of the CPU bandwidth.
http://www.jandspromotions.com/philips20...AR1784.htm
(19Meg file for the project)

Winners Web site http://www.pbjtech.com/

Joe

List of 33 messages in thread
TopicAuthorDate
VGA chip for 8 bit            01/01/70 00:00      
   To do what?            01/01/70 00:00      
      Thank's            01/01/70 00:00      
         How about some answers?            01/01/70 00:00      
            Great info's            01/01/70 00:00      
               just to get you in picture            01/01/70 00:00      
                  almost similiar            01/01/70 00:00      
               Select your hardware with care            01/01/70 00:00      
                  Video FIFO            01/01/70 00:00      
                     special chips            01/01/70 00:00      
                        Stop thinking "local store"            01/01/70 00:00      
                           Is it for sale?            01/01/70 00:00      
                              Or partner            01/01/70 00:00      
                           They are good hacker            01/01/70 00:00      
                  FIFO and values            01/01/70 00:00      
               Real volumes            01/01/70 00:00      
                  Real volumes            01/01/70 00:00      
         Volume?            01/01/70 00:00      
         VGA on a TV?            01/01/70 00:00      
   Use a CPLD?            01/01/70 00:00      
   How should it work?            01/01/70 00:00      
   Understanding VGA signals            01/01/70 00:00      
   look at the "prior art" just for example            01/01/70 00:00      
   Try this            01/01/70 00:00      
      And look here            01/01/70 00:00      
      no chance for 89C2051?            01/01/70 00:00      
   The main thing to remember            01/01/70 00:00      
      SPI FIFO            01/01/70 00:00      
      well than that's crappy            01/01/70 00:00      
         about            01/01/70 00:00      
         yep thats a much more powerful processor            01/01/70 00:00      
            how do you mean more powerful?            01/01/70 00:00      
            8052.com            01/01/70 00:00      

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