LCD2041 Matrix Orbital, LCD2041 Datasheet - Page 2

• Manufacturer Part Number: LCD2041
• Description: LCD Character Display Modules Yel/Grn Background Black Text
• Manufacturer: Matrix Orbital

Specifications of LCD2041

• Character Count X Line: 20 x 4
• Module Size (w X H X T): 98 mm x 60 mm x 27.5 mm
• Features: I2C LCD with software controlled contrast
• Voltage Rating: 4.75 VDC to 5.25 VDC
• Operating Temperature Range: - 20 C to + 70 C
• Backlight Type: LED Yellow-Green
• Interface: I2C

1.
2.
3.
4.
5.
6.
7.
8.
LCD2041 rev 2
Introduction ........................................................................................................................................... 4
1.1 What it Does ..................................................................................................................................... 4
1.2 What it Does Not Do ........................................................................................................................ 4
1.3 Setup for Testing .............................................................................................................................. 4
1.4 Trying Out your LCD2041 ............................................................................................................... 5
Connections and Configuration............................................................................................................ 7
2.1 Connector Pinout .............................................................................................................................. 7
2.2 RS-232 Communications .................................................................................................................. 9
2.3 I
2.2 General Purpose Output.................................................................................................................. 12
Displaying Text .................................................................................................................................... 14
3.1 General ........................................................................................................................................... 14
3.2 The Built-In Character Font............................................................................................................ 14
3.3 Writing Text to the Display ............................................................................................................ 15
3.4 Text Commands.............................................................................................................................. 15
Bar Graphs and Special Characters .................................................................................................. 17
4.1 Command List ................................................................................................................................ 17
Miscellaneous Commands ................................................................................................................... 20
5.1 Command List ................................................................................................................................ 20
Appendix: Command Summary ......................................................................................................... 22
6.1 General ........................................................................................................................................... 22
6.2 Issuing Commands.......................................................................................................................... 22
6.3 On Numbers.................................................................................................................................... 22
6.4 Text Commands.............................................................................................................................. 23
6.5 Bar Graphs and Special Characters ................................................................................................ 24
6.6 Miscellaneous Commands .............................................................................................................. 26
Appendix: Specifications and Options ............................................................................................... 27
7.1 Specifications.................................................................................................................................. 27
7.2 Options ........................................................................................................................................... 28
Appendix: Glossary ............................................................................................................................. 29
2.1.1 Power and I
2.2.1 Connections ............................................................................................................................ 9
2.2.2 Applying Power via the RS-232 Connector.......................................................................... 10
2.2.3 Configuring RS-232 and I
6.3.1 ASCII Characters.................................................................................................................. 23
2
C Communications....................................................................................................................... 11
2
C Connections .................................................................................................... 7
Table of Contents
2
C................................................................................................. 10
2