Re: [lcd4linux] help Wiring a large display?

[paul k. <pau...@xs...>]

Hi,

Can you provide some details about the display. Manufacturer, type 
number etc?

Paul

Ognjen Bezanov wrote:

> HI all,
>
> I just bought a 4x40 LCD display to wire up for lcd4linux, and i want 
> to ask a few questions as this is my first experience with such a 
> large lcd.
>
> First things first, the LCD does not have 14 or 16 pins, but 18 (not 
> including two for the backlight), what are the extra 4 pins for? i 
> couldnt find any schematics for this display either on lcd4linux or 
> lcdproc. Are the  schematics the same for all lcd sizes regardless of 
> number of controllers in use?
>
> I read about the dual enable lines, is there a schematic for this 
> wiring anywhere?
>
> Does this lcd require 8-bit mode? or can it use any of the others as 
> well (4-bit, winamp, etc...)
>
> Also the backlight has its own dedicated connector on it with an 'A' 
> and a 'K' on each side and a 5V+ sign in the middle (i presume this 
> might be a EL backlight as opposed to a normal LED one). Whats does 
> the A and K mean, and which one is the positive (dont want to fry 
> this, it wasnt cheap) and does it need a resistor or something(from 
> what i know EL backlights are somewhat more fragile then led's)?
>
> And help appreciated
>
>
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