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Author Topic: GLCD SED1520  (Read 3442 times)
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Mainul
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« on: June 02, 2009, 08:22:13 08:22 »

I was trying to write code for a 12232-2 GLCD  - 122Ă—32 dots LCD Module, built in two SED 1520 LSI controller Using PICBasic Pro.  I can initialize the LCD, can write and display data to any desired line (0~3), but cannot set the column address. I have tried in many different ways, but it always starts from column 0.

I am including the Proteus file, PICBasic code that I was trying to develop and the data sheet for SED 1520, with expectation that someone, who has already written some code for this particular controller, will indicate me what I am doing wrong.

Thanks 

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bbarney
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« Reply #1 on: June 02, 2009, 03:18:12 15:18 »

This page might help you with the sed1520 code
http://www.compsys1.com/workbench/Benchware/SED1330/sed1330.html
heres the link to some  code
http://www.compsys1.com/support/PBP_Files/
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margo
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« Reply #2 on: July 14, 2009, 03:38:10 15:38 »

pretty sure the sordfish basic compiler has native support for this lcd controller....has demo ver too
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Mainul
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« Reply #3 on: July 16, 2009, 07:05:10 19:05 »

margo,

Thanks for the information, though I have no idea about sordfish basic compiler. Well, in the mean time I have found the solution of my problem. When I tried to simulate the code in Proteus, It did not work as it was suppose to, but when I run the same code on a prototype board that I have made for the LCD to run with 16F877A, it works perfectly. It seems to be that something is wrong with the SED1520 Module in Proteus. I have written my font library for this LCD and everything is working perfectly on my board.
« Last Edit: July 17, 2009, 07:34:48 07:34 by Mainul » Logged
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