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'I2C LCD question [OT]'
1997\12\06@193302 by Peter Gee

picon face
Hi
I have got a phillips  branded 2x16 char LCD, model LTN211F-10  it came out a poker machine, and I picked it up cheap second hand.
It has an OKI M5259 LCD driver and a OKI M6222B-01 chip on it.  It has edge connectors for  +,-,contrast,RW,RS,E,d0-d7.  
I am pretty sure that this LCD can support i2c protocol, BUT I don't know which pins to connect it to.  Does anyone have a ref for the 6222B ? and the numbers of the I2C pins ?

cheers

1997\12\07@093748 by

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face
It is NOT a I2C interfeced Display.
It's a parallel interfaced Display
The datasheet is to found on the net.
I dont have the URL but try to search
for it with Altavista.
--
// Jšrgen Tapani
spam_OUTjorgen.tapaniTakeThisOuTspamnacka.mail.telia.com

-----Ursprungligt meddelande-----
FrŒn: Peter Gee <.....Peter.GeeKILLspamspam@spam@UTAS.EDU.AU>
Till: PICLISTspamKILLspamMITVMA.MIT.EDU <.....PICLISTKILLspamspam.....MITVMA.MIT.EDU>
Datum: den 7 december 1997 01:33
€mne: I2C LCD question [OT]


>Hi
>I have got a phillips  branded 2x16 char LCD, model LTN211F-10  it came out
a poker machine, and I picked it up cheap second hand.
>It has an OKI M5259 LCD driver and a OKI M6222B-01 chip on it.  It has edge
connectors for  +,-,contrast,RW,RS,E,d0-d7.
>I am pretty sure that this LCD can support i2c protocol, BUT I don't know
which pins to connect it to.  Does anyone have a ref for the 6222B ? and the
numbers of the I2C pins ?
>
>cheers
>

1997\12\09@033126 by Tom Handley

picon face
  Peter, that sounds exactly like a standard Hitachi HD44780 compatible
controller. This is a parallel interface using either 4 or 8 Bits. E is
an Enable signal, RW is Read/Write, and RS is Register Select. You need
to connect the wiper of a 10K pot to the Contrast line with the other two
connections to + and - (+5V and Ground).

  - Tom


At 11:31 AM 12/7/97 +1100, you wrote:
>Hi
>I have got a phillips  branded 2x16 char LCD, model LTN211F-10  it came out
a poker machine, and I picked it up cheap second hand.
>It has an OKI M5259 LCD driver and a OKI M6222B-01 chip on it.  It has edge
connectors for  +,-,contrast,RW,RS,E,d0-d7.
>I am pretty sure that this LCD can support i2c protocol, BUT I don't know
which pins to connect it to.  Does anyone have a ref for the 6222B ? and the
numbers of the I2C pins ?
>
>cheers
>
>

1997\12\09@065415 by oz2afo

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face
----------
> Fra: Tom Handley <EraseMEthandleyspam_OUTspamTakeThisOuTTELEPORT.COM>
> Til: PICLISTspamspam_OUTMITVMA.MIT.EDU
> Emne: Re: I2C LCD question [OT]
> Dato: 9. december 1997 09:27
>
>    Peter, that sounds exactly like a standard Hitachi HD44780 compatible
> controller. This is a parallel interface using either 4 or 8 Bits. E is
> an Enable signal, RW is Read/Write, and RS is Register Select. You need
> to connect the wiper of a 10K pot to the Contrast line with the other two
> connections to + and - (+5V and Ground).

Or make a PWM to control the contrast, then it's all 'computerized'
I have been thinking about making a lcd display i2c compatible with a pic,
just for fun and to keep myself occupied with something.. And make the
contrast/brightness (i've got some lcd's with backlight) controlable from
the i2c....

- Thomas

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