DM&P Text LCM DOS Library
LCM Home Page: http://www.dmp.com.tw/tech/lcm 2002/06/18

Text LCM

We provide a lot of embedded CPU modules. Besides, we provide graphics/text LCM. Release graphic/text LCM library in order to reduce development time for our user. The library is for M6117D CPU only. It's ran on large memory model under DOS. This library is for HD44780 based character LCM. It can support text LCM less than 80X4 (includes 16X2, 20X2, 40X2, 20X4, etc).

LCM library file download from our web site is a zip file. Decompress it and will create a directory "TextLCM". You can find demo examples in "TextLCM\LIB".

File Name Description
LIB\TEXTLCM.H Library header file for C.
LIB\TEXTLCM.LIB DOS text LCM library, large mode.
LIB\DEMO.C Library demo program for test.
LIB\DEMO.EXE Compiled demo program.
LIB\DEMO.PRJ Project file of demo program for Turbo C++ 1.01.
LIB\MAKEFILE.MAK Make file of demo program for Turbo C++ 1.01.

Documents

Interface Connection

Before you test your LCM, you should select I/O interface for your LCM. There is the pin assignment table:

LCM Pin No GPIO Printer Port
1 GND GND
2 Vcc Vcc
3 Vee Vee
4 GP10 /SLCTIN
5 GP9 /AUTOFD
6 GP8 /INIT
7 GP0 PD0
8 GP1 PD1
9 GP2 PD2
10 GP3 PD3
11 GP4 PD4
12 GP5 PD5
13 GP6 PD6
14 GP7 PD7

Technical Support

If you have any problem, mail to tech@dmp.com.tw please.

Jan Yin Chan Electronics Co., LTD. All rights reserved. Email us: info@dmp.com.tw