Whoah! If anyone has information about that mega8515 controller for an LCD, I would totally like to know more about it.
I found the entrance curve into doing LCDs with touchscreens using microcontrollers to be somewhat steep. Cheers, -paul On Sat, August 16, 2008 8:58 am, Royce Pereira wrote: > Hi, all, > > > Has someone interfaced an AVR to a LCD control chip like Epson S1D13A05 / > SSD1906 or the like. > > > I'm starting my new project with a LCD touch screen. This is the 1st > time i'm using either. > > The display is a 320x240 TFT LCD, with resistive touch screen., with > 6bits > each for RBG = 18 bits. Many makes are available - that's the least of the > challenge. > > The challenge is to interface the thing to my AT Mega32 board. > > > I've done some homework before posting - via google, & have found the > following options. > > 1. Buy a LCD control board - typically has the Epson(like) controller as > well as a fast, dedicated, 16 bit MCU to interpret high level commands > from my AVR board via SPI / RS232, and dump the bitmap to the controller > RAM. > Also, it will read the touch panel, & send the XY data to my board. > Reachtech & earthLCD are two such suppliers (*anyone know of others?*) . > However, these cost @ USD 200. This could be a shoirt term solution. > > > 2. Design/Build one myself. This would take time, but would pay off in > the long term. > > The latter involves using the usual Epson controller & another MCU (I'd > love to use an AVR), and writing the command interpreter myself. > > Now - has anyone attempted / completed this, and is willing to share > their experience ? > > I understand a solution exists using AT32AP7000, but I'd like to keep > things minimalistic for the moment. > > Actually I recall a design contest by Atmel, whose winners had designed a > TFT LCD controller using a Mega8515 (in place of the Epson chip) & an > Mega128 for the high level interface. > Is there any documentation available on this technique? > > > .Thanks & Best Regards, > > > --Royce > -------------------------------------------------------------------------- > -------------------------------- > HELP SAVE TREES. Please don't print this e-mail unless you really need > to. > ------------------------------------------------------------------------- > ---------------------------------- > > > > > _______________________________________________ > AVR-chat mailing list > AVR-chat@nongnu.org > http://lists.nongnu.org/mailman/listinfo/avr-chat > > _______________________________________________ AVR-chat mailing list AVR-chat@nongnu.org http://lists.nongnu.org/mailman/listinfo/avr-chat
