I think you are talking about the LCD driver. What I would like to build is controller which may have a rendering engine. - Josh --- In lpc2100@yahoogroups.com, "J.C. Wren" <jcwren@j...> wrote: > The Texas Instruments MSP430 family have several members with built > in LCD glass driver support. Atmels ATMega169 also does, as do several > members of the (gag) PIC family from Microchip. > > I don't know how much research you've done on driving LCDs, but LCD > glass (as opposed to modules using parts like the Hitachi HD44870) > cannot be driven with DC voltages. The average voltage across the > segment must be 0 volts or the liquid gets damaged. The LCD controllers > job is to provide a suitable waveform along with the multiplexing for > segments so that for larger displays, you don't need a discrete output > pin for each segment. > > Most controllers have built-in safeguards to prevent DC voltages > from appearing on the outputs for more than a VERY short time. If you > choose to implement your own driver logic (which is doable), you have to > make absolutely sure that if the CPU is hung in a reset state or loop > that you don't leave the output pins driving in a DC state. > > If you Google around for LCD drivers, you'll find tons of > information on this subject. > > --jc > > ctaco147 wrote: > > > For example? > > > > > > --- In lpc2100@yahoogroups.com, "J.C. Wren" <jcwren@j...> wrote: > > > Just out of curiosity, why? If you're directly driving the glass, > > there > > > are better choices. > > > > > > --jc > > > > > > ctaco147 wrote: > > > > > > > Hello, > > > > Is there any one knows where to buy LPC2106? > > > > I'm going to use it for my LCD controller project. > > > > > > > > > > > > Thanks, > > > > Josh > > > > > > > >
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Re: where to buy LPC2106
2004-02-14 by ctaco147
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