Re: [oc] VGA Interface

[Richard Herveille <richard@asics.ws>]

>
>Oddly - last I looked about 12 months ago there are NOT alot of RAMDAC's on
>the market anymore.  This has all  moved "on-chip" with all the high-end
>graphics manufacturers now so this is a VERY hard item to find.

Sorry I do not agree.

Analog devices and Burr-Brown (now Texas Instruments) - and probably more - 
still make high-end (Tripple)DACs and RAM-DACs. There are many video 
applications requiring Video-DACs which do not use standard graphics chips, 
this is the market for these devices.

Check their website. Oddly enough they manufacture more devices than are 
listed on their web. But you'll get the idea.

>There are some CCIR601 or maybe it's CCIR665 (it has been 12 months) around
>but this is a different standard. If I recall, they are all favoring YUV now.

Not true again. YUV is a favorite for digital video (as in digital PAL and 
digital NTSC), but not for video-displays. This is - and probably will be - 
RGB, becuase monitors work with RGB colors.

>
>Do the folks who did the core have somthing they can recommend that I'm not
>aware of, and if so - could they please make it public!

Richard


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