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PICList Thread
'How to do the ODS with PIC?????????????'
1999\11\21@194542 by gzkwan

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How to do the ODS with PIC?????????????????
THANK !!!!!!!!!!!!

1999\11\21@212746 by Tony Nixon

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Wing Kent Kwan wrote:
>
> How to do the ODS with PIC?????????????????
> THANK !!!!!!!!!!!!

Go to a dance school ??

What's ODS?

--
Best regards

Tony

http://www.picnpoke.com
Email spam_OUTsalesTakeThisOuTspampicnpoke.com

1999\11\22@063128 by gzkwan

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ODS is add the text on the TV screen,like the remote control display
the channel on the corner of the screen!!!!!!

Tony Nixon wrote:

{Quote hidden}

1999\11\22@072005 by Paul Dartanian

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It's OSD (on screen display)

Paul Dartanian




{Quote hidden}

1999\11\22@171004 by Tony Nixon

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Wing Kent Kwan wrote:
>
> ODS is add the text on the TV screen,like the remote control display
> the channel on the corner of the screen!!!!!!

Oh :-)

I can't remember exactly, but there was some talk about this awhile ago
on the list and I'm sure there are some examples on the web, but you
would have to check the archives.

--
Best regards

Tony

http://www.picnpoke.com
Email .....salesKILLspamspam.....picnpoke.com

1999\11\22@172631 by Robin Abbott

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I have seen this done, and it isn't that hard. The important thing is that
the PIC is really nowhere near fast enough on its own (50MHz Scenix might
be....). An external RAM is used with the timing generated by the PIC - well
the information as to which lines to use for the data, but the data OR'd
with the video signal.

PIC needs to receive timing data from a sync separator e.g. LM1881 and
counts lines from the top downwards and then enables the RAM during the OSD
lines, generating the top bits of the address, the bottom bits generated by
hardware counters driven from the PIC clock.

I'll try and dig out the circuit & stick it on the web if anyone's
interested.

Robin Abbott - EraseMErobin.abbottspam_OUTspamTakeThisOuTfored.co.uk

**************************************************************************
*
* NEW from FED - WIZPIC - visual PIC development
*     - see web site for more details !
*
* Forest Electronic Developments
* http://www.fored.co.uk
*
**************************************************************************

{Original Message removed}

1999\11\23@044434 by Jinx

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I'll have some pls.

Jinx

> I'll try and dig out the circuit & stick it on the web if anyone's
> interested.
>
> Robin Abbott - robin.abbottspamspam_OUTfored.co.uk

1999\11\23@091757 by miked

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> I have seen this done, and it isn't that hard. The important thing is that
> the PIC is really nowhere near fast enough on its own (50MHz Scenix might
> be....). An external RAM is used with the timing generated by the PIC - well
> the information as to which lines to use for the data, but the data OR'd
> with the video signal.
>
> PIC needs to receive timing data from a sync separator e.g. LM1881 and
> counts lines from the top downwards and then enables the RAM during the OSD
> lines, generating the top bits of the address, the bottom bits generated by
> hardware counters driven from the PIC clock.
>
> I'll try and dig out the circuit & stick it on the web if anyone's
> interested.
>
> Robin Abbott - @spam@robin.abbottKILLspamspamfored.co.uk
ITU had a PIC based OSD with very little external components.

1999\11\23@165708 by Randy Glenn

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Check out the ST Microelectronics STV5730A.

-Randy
http://i.am/PICxpert - KILLspamPICxpertKILLspamspamtechie.com
ICQ Nickname: PICxpert - Fax: (208) 330-3630

{Original Message removed}

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