ComputerVoltageSources

Lumex Samsung controller LCD spec:

http://www.lumex.com/technotes.aspx

John Loffink
The Microtonal Synthesis Web Site
http://www.microtonal-synthesis.com
The Wavemakers Synthesizer Web Site
http://www.wavemakers-synth.com


> -----Original Message-----
> From: ComputerVoltageSources@yahoogroups.com
> [mailto:ComputerVoltageSources@yahoogroups.com] On Behalf Of djbrow54
> Sent: Sunday, March 12, 2006 6:38 PM
> To: ComputerVoltageSources@yahoogroups.com
> Subject: [ComputerVoltageSources] Re: LCD support
> 
> --- In ComputerVoltageSources@yahoogroups.com
> > Backlight is 160 mA.  Sounds like the 4 pin interface means the LCD
> > microcontroller is on another board.
> 
> The backlights for these LCD controllers do take a lot of power.  My
> first display was a VFD which took 400 mA of +5!!! My 8x2 takes about
> 70 mA of +5.  I would suspect that we wouldn't use this display at
> full 160 mA backlight.  Generally, they are very bright!  Some
> experimentation would be needed to determine an appropriate
> brightness.  The A and K for the backlight are on separate pins which
> means we could power these from either a +5 or a +15 supply if
> desired.
> 
> The LCD logic is only a couple of mA.  The controller is the same.
> The MIDI spec is 5 mA.  Total display/MIDI power without the backlight
> is probably around 10 mA.  I think you will find, however, that the
> AtomPro28 might consume more than 25 mA.  My PSIM consumes 70 mA with
> all the LEDs on.  I've not measured it with the LEDs off.
> 
> > > Doing a little research, I found the following Lumex LCD.
> > > LCM-S01602DSF/C
> > > LCD 16x2 STN Y/G LED backlit
> > > $13.36 available from stock from either Mouser or Digi-Key
> > > Board size:  3.346 x 1.181 inches
> 
> This looks like a nice display.  Crummy data sheets, though.  I assume
> the Samsung controller is compatible with the Hitachi.  There are some
> features built into the controller that it would be nice to know if
> are implemented in the display module.  For example, what is the
> character font (I can't find it), how many programmable characters,
> etc.  I assume this is a 5x7 with an 8th row for cursor.  I'll keep
> looking for a complete data sheet.
> 
> Dave
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> Yahoo! Groups Links
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