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Re: IIgs RGB to VGA continued

Subject: Re: IIgs RGB to VGA continued
From: "PZ" <skierpaul@yahoo.com>
Date: 3 Sep 2006 16:40:11 -0700
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TomCh wrote:
> The AL875 flyer suggests using HSYNC as an input ref clk to the PLL:
> http://www.averlogic.com/admin_en/product_en/pic8/688058.pdf
>
> Is HSYNC available externally from the GS?
> It looks like only composite sync is available:
> http://home.swbell.net/rubywand/R023PINOUTS.htm#013
>
> Can HSYNC be decouped from the composite sync signal?

Yes, only CSYNC is available on the output, but the HSYNC signal can be
very easily extracted using a LM1881, CD4538, or by any number of
alternate solutions.

- Paul

References:
- IIgs RGB to VGA continued
  - From: "jsnospam@cimmeri.com" <js@cimmeri.com>
- Re: IIgs RGB to VGA continued
  - From: "jsnospam@cimmeri.com" <js@cimmeri.com>
- Re: IIgs RGB to VGA continued
  - From: "Michael J. Mahon" <mjmahon@aol.com>
- Re: IIgs RGB to VGA continued
  - From: "Vince Briel" <vbriel@removethisspamcamcast.net>
- Re: IIgs RGB to VGA continued
  - From: "Michael J. Mahon" <mjmahon@aol.com>
- Re: IIgs RGB to VGA continued
  - From: "jsnospam@cimmeri.com" <js@cimmeri.com>
- Re: IIgs RGB to VGA continued
  - From: "Michael J. Mahon" <mjmahon@aol.com>
- Re: IIgs RGB to VGA continued
  - From: "TomCh" <tomcharlesworth@blueyonder.co.uk>
- Re: IIgs RGB to VGA continued
  - From: "Michael J. Mahon" <mjmahon@aol.com>
- Re: IIgs RGB to VGA continued
  - From: "TomCh" <tomcharlesworth@blueyonder.co.uk>

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