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'another LCD question'
1997\04\18@104617 by deicide

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how do i send this 40 hex......
the function that sends LCD commands....do i send a 40???
i played around with that command and sending 170 seemed to place me on
the second line....but erased what was on the first line.....
i tried sending 40...and that didn't seem to work...

1997\04\18@110114 by myke predko

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>how do i send this 40 hex......
>the function that sends LCD commands....do i send a 40???
>i played around with that command and sending 170 seemed to place me on
>the second line....but erased what was on the first line.....
>i tried sending 40...and that didn't seem to work...

The "Cursor" Move Instruction has bit 7 set to identify it.  (ie to move to
0x040, you would send the Instruction 0x0C0.)

Note that this is an *Instruction* - Not Data.  The difference is, you have
to reset the R/S Bit before you send (To send Data, the R/S Bit is Set).

I realize that you probably know this (because you have been able to
initialize the LCD), but it never hurts to emphasize it.

Good Luck,

myke
>
>

"Some people say that foreign cars handle best, while others say domestic.
For my money, nothing handles as well as a rental car." - P.J. O'Rourke

1997\04\18@153950 by Andrew Warren

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deicide@ATHEIST.COM <spam_OUTPICLISTTakeThisOuTspamMITVMA.MIT.EDU> wrote:

> how do i send this 40 hex......
> the function that sends LCD commands....do i send a 40???
> i played around with that command and sending 170 seemed to place me
> on the second line....but erased what was on the first line..... i
> tried sending 40...and that didn't seem to work...

   Send a 192.

   -Andy

=== Andrew Warren - .....fastfwdKILLspamspam@spam@ix.netcom.com
=== Fast Forward Engineering, Vista, California
=== http://www.geocities.com/SiliconValley/2499


'Another LCD Question'
1998\12\31@181131 by Geoff Thornton
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Hi listers, Joy and happiness for 1999.

       I recently received two 16x2 LCD displays, Picvue P/N PVC160202PYL03.
instead of the normal 14 pin interface connector these little suckers have
16 pins. The extra pins are marked 15+ and 16-. I have metered these pins
and they don't seem to be connected to the modules ground or VDD or to the
backlighting LEDs either. Does anybody have an idea what they may be for.


Regards Geoff :)
==================
geoffspamKILLspamtechie.com

An inquiring mind is a wondrous thing.

1998\12\31@183215 by dave vanhorn

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At 09:09 AM 1/1/99 +1000, Geoff Thornton wrote:
>Hi listers, Joy and happiness for 1999.
>
>        I recently received two 16x2 LCD displays, Picvue P/N PVC160202PYL03.
>instead of the normal 14 pin interface connector these little suckers have
>16 pins. The extra pins are marked 15+ and 16-. I have metered these pins
>and they don't seem to be connected to the modules ground or VDD or to the
>backlighting LEDs either. Does anybody have an idea what they may be for.

Should be backlight leds, might be an EL backlight, or provision for one
anyway.

1998\12\31@185537 by Don McKenzie

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Geoff Thornton wrote:
>
> Hi listers, Joy and happiness for 1999.
>
>         I recently received two 16x2 LCD displays, Picvue P/N
> PVC160202PYL03.
> instead of the normal 14 pin interface connector these little suckers
> have
> 16 pins. The extra pins are marked 15+ and 16-. I have metered these
> pins
> and they don't seem to be connected to the modules ground or VDD or to
> the
> backlighting LEDs either. Does anybody have an idea what they may be
> for.

These are becoming more common. They use one PCB pattern for both
versions, and just fit the appropriate display. You simply ignore them
if you have a standard (no-backlight) display.

Don McKenzie  .....donKILLspamspam.....dontronics.com   http://www.dontronics.com

Don's Download Dungeon http://www.dontronics.com/download.html
For more details, send a blank message to EraseMEinfospam_OUTspamTakeThisOuTdontronics.com
or simstickspamspam_OUTdontronics.com or @spam@basicsKILLspamspamdontronics.com

1998\12\31@213947 by Geoff Thornton

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Don and Dave,
               Thanks for the information, I can now try to hook them up withou
t blowing
up the displays.


Regards Geoff :)
==================
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An enquiring mind is a wondrous thing.

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