Stuart;

try SGE (formerly SGS Thomson and ST), they have a large range of
microcontrolers with onscreen technology built in.

It might be more fun to make a PIC do it via software

regards,
Graham Daniel.


Stuart O'Reilly wrote:
>
> I was wondering if anybody has had any experience with on screen display
> chips. What i'm after is a chip that i can send ascii characters to (or
> something along those lines) and have it provide an output that i can
> key over a video signal, i'm able to build a sync seperator and keying
> circuit etc to implement the use of the chip. This is for me to be able
> to display a menu on a tv screen instead of using an lcd.
> Thanks
> Stuart O'Reilly