I'm doing this with na ARM LPC2138.

Octavio Nogueira
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-----Mensagem original-----
De: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] Em nome de
Harold Hallikainen
Enviada em: quinta-feira, 9 de novembro de 2006 22:10
Para: Microcontroller discussion list - Public.
Assunto: RE: [EE] color graphic display modules


Thanks Andre! Any more comments?

Harold

> Harold,
>
> In my previews place they ware using SED1353 they always called Epson =

> ic and I was in hardware only. I repaired over 50 boards and 45 of =

> them had display problem. what I didn't like
>
> 1. display's refresh rate is too slow when scrolling up and down
>    it looked like in slow motion
> 2. very sensitive to static
> 3. slow startup
>
> I think CPLD idea is better
>
> Andre
>
>
>
>
> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu]On =

> Behalf Of Harold Hallikainen
> Sent: Thursday, November 09, 2006 2:42 PM
> To: Pic List
> Subject: [EE] color graphic display modules
>
>
> I'm now working on 3 projects that require color graphic display =

> modules. We discussed this some previously on the list. The general =

> suggestion was to do a CPLD to continuously pull pixel data out of RAM

> and put it on the display, and also to allow the PIC to read and write

> the RAM through the CPLD. We have that hardware now, and someone is =

> working on the CPLD coding to make it work.
>
> Yesterday, I ran across the Epson SED1353, which APPEARS to do a =

> similar job. Has anyone had any experience with this chip?
>
> All the color graphic displays I've found seem to have a need for =

> continously refreshed pixel data. Is anyone aware of a "smart" display

> where we could give it a pixel address and some data, then have the =

> PIC go off and do something else while the display would remember =

> stuff itself (like character LCD modules and monochrome graphics LCD =

> modules I've worked with).
>
> So... what are you guys doing for color LCD modules?
>
> THANKS!
>
> Harold
>
>
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