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COG 128x64 LCD Help

 
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Jerry I



Joined: 14 Sep 2003
Posts: 96
Location: Toronto, Ontario, Canada

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COG 128x64 LCD Help
PostPosted: Mon Dec 06, 2004 6:35 pm     Reply with quote

Question I am wanting to use a COG 128x64 LCD, possibly the optrex F-51320GNF-AC which is available from Digi-Key.

The documentation is pretty vague on what is required to drive the LCD.

Powering LCD 3.3V or 5v? , Can I use 5 volt PIC to drive the data interface or do I have to do conversion for 3.3v.

Sample schematics are given with capactitors, with different power modes.
whats the best and easiest way to power it up.

I simply just want to hook it up to a PIC, apply power to the LCD send data and go from there.

Any help on this would be greatly appreciated.

Thanks.

Jerry
rwyoung



Joined: 12 Nov 2003
Posts: 563
Location: Lawrence, KS USA

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PostPosted: Mon Dec 06, 2004 6:39 pm     Reply with quote

The datasheet timing specs are given with Vdd=5.0V

So except for finding values for all the power supply capacitors (something is wrong with the PDF I downloaded, it seems to be missing 3 pages) I'd just hook up like figure 4.2 and use 5.0V for my Vdd of the display and the PIC.
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Rob Young
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Jerry I



Joined: 14 Sep 2003
Posts: 96
Location: Toronto, Ontario, Canada

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PostPosted: Tue Dec 07, 2004 6:58 am     Reply with quote

Thanks for info.

Jerry
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