LK404-25-E Matrix Orbital, LK404-25-E Datasheet - Page 7
LK404-25-E
Manufacturer Part Number
LK404-25-E
Description
LCD Character Display Modules 40x4 Grn/Yel Ext Temp
Manufacturer
Matrix Orbital
Datasheet
1.LK404-25-E.pdf
(58 pages)
Specifications of LK404-25-E
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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1.2 Features
1.3 Connecting to a PC
connect your display to a PC, you will require a standard RS-232 9-pin serial cable such as the one pictured
in
page 1
Matrix Orbital
figure 5 on the previous page
• 40 column by 4 line alphanumeric liquid crystal display
• Selectable communication protocol, serial at RS-232 or TTL levels or I
• Six, 5V -20mA, general purpose outputs for a variety of applications
• Lightning fast communication speeds, up to 57.6 kbps for RS-232 and 100 kbps for I
• Extended temperature available for extreme environments of -20C to 70C
• Extended voltage and efficient power supply available
• Built in font with provision for up to 8 user defined characters
• Up to 127 modules adressable on the I
• Optional Dallas One-Wire bus that is capable of communicating with up to 32 devices
• Fully buffered so that no delays in transmission are ever necessary
• Ability to add a customized splash / startup screen
• Software controlled contrast and brightness with configurable time-out setting up to 90 minutes
• Use of up to a 25 key keypad with a 10 key buffer
• Horizontal or vertical bar graphs
The LK404-25 connects seamlessly to a PC and it is an excellent means of testing the functionality. To
In order to connect your display to a personal computer follow these easy instructions:
.
, as well as a modified 5V power adapter such as the one pictured in
Figure 7: 4X4 Keypad
2
C interface
LK404-25
2
C
2
C
figure 2 on
3
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