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I must program in C language using intel 8051 microprocessor with cygnal from Silicon labaratory this lCD "PG 320240-D of powertip"
And I am loking for more information about how to program, to send information to LCD and see this infomation aon screen, like un mame for example or a graphic!

Can u help me?

i havent programmed PG320240 before. But from my experience with C programming for LCD display is you have to look up the data sheet and follow the instruction for the initialiasation and command line. Then, you can send those command (depend on what you want to do) using parallel port.
Depends on the LCD, you might have to hard reset or soft reset the display when you first start the LCD. I usually use google search for example or more informaiton about how to drive a particular LCD.
Hope this help,
Wanna

Looks like there isn't yet SED1330/SED1335/S1D13305 example code posted in this forum. But with quick google search I found this http://www.elateceurope.com/displays/support/pg320240.c

Maybe it will give some hints.