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LK204-25-USB-R

LCD Character Display Modules & Accessories Black Background Red Text

器件类别：光电子/LED   

厂商名称：Matrix Orbital

厂商官网：https://www.matrixorbital.com

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器件参数
参数名称
属性值
Product Attribute
Attribute Value
制造商
Manufacturer
Matrix Orbital
产品种类
Product Category
LCD Character Display Modules & Accessories
产品
Product
LCD Character Display Modules
Display Mode
Transmissive
Character Count x Line
20 x 4
Module Size - W x H x T
98 mm x 60 mm x 27.5 mm
Viewing Area - W x H
76 mm x 25.2 mm
Fluid Type
STN
接口类型
Interface Type
USB
工作电源电压
Operating Supply Voltage
5 V
工作温度范围
Operating Temperature Range
0 C to + 50 C
系列
Packaging
Bulk
Character Size - H x W
4.75 mm x 2.95 mm
工厂包装数量
Factory Pack Quantity
1
文档预览
LK204-25
Including LK204-25-422, LK204-25-USB.
Technical Manual
Revision 2.1
PCB Revision: 3.0 or Higher
Firmware Revision: 7.3 or Higher
Revision History
Revision
2.1
2.0
Date
January 4, 2018
January 8, 2016
Description
Correction to Set Non-Standard Baud Rate command
LKVK manual separated into individual manuals
Author
Divino
Divino
1
Contents
Revision History ............................................................................................................................................ 1
Contents ........................................................................................................................................................ 2
Introduction .................................................................................................................................................. 4
Quick Connect Guide .................................................................................................................................... 5
Standard Module ...................................................................................................................................... 5
Recommended Parts ............................................................................................................................. 5
Serial Connections................................................................................................................................. 6
I
2
C Connections ..................................................................................................................................... 7
USB Module .............................................................................................................................................. 8
Recommended Parts ............................................................................................................................. 8
USB Connections ................................................................................................................................... 9
RS422 Module ......................................................................................................................................... 10
RS422 Connections ............................................................................................................................. 10
Software ...................................................................................................................................................... 11
Hyperterminal ......................................................................................................................................... 11
uProject ................................................................................................................................................... 12
Application Notes.................................................................................................................................... 12
Hardware .................................................................................................................................................... 13
Standard Model ...................................................................................................................................... 13
Communication/Power Header .......................................................................................................... 13
Serial DB9 Connector .......................................................................................................................... 13
Power Through DB9 Jumper ............................................................................................................... 14
Protocol Select Jumpers ...................................................................................................................... 14
USB Model .............................................................................................................................................. 15
Mini USB Connector ............................................................................................................................ 15
Alternate USB Header ......................................................................................................................... 15
Alternate Power Connector ................................................................................................................ 15
RS422 Model ........................................................................................................................................... 16
RS422 Header ...................................................................................................................................... 16
Alternate Power Connector ................................................................................................................ 16
Common Features................................................................................................................................... 17
2
General Purpose Outputs ................................................................................................................... 17
Dallas One-Wire Connector ................................................................................................................ 17
Keypad Header .................................................................................................................................... 18
Power ...................................................................................................................................................... 19
Display ..................................................................................................................................................... 19
Communication ....................................................................................................................................... 20
Manual Override ..................................................................................................................................... 20
Commands .................................................................................................................................................. 21
1.
2.
3.
4.
5.
6.
7.
8.
9.
Communications ............................................................................................................................. 21
Text ................................................................................................................................................. 22
Special Characters ........................................................................................................................... 24
General Purpose Output ................................................................................................................. 27
Dallas One-Wire .............................................................................................................................. 28
Keypad............................................................................................................................................. 29
Display Functions ............................................................................................................................ 31
Data Security ................................................................................................................................... 32
Miscellaneous ................................................................................................................................. 33
Appendix ..................................................................................................................................................... 34
Command Summary ............................................................................................................................... 34
Character Sets ......................................................................................................................................... 36
Block Diagram ......................................................................................................................................... 37
Environmental Specifications.................................................................................................................. 37
Electrical Tolerances ............................................................................................................................... 38
Optical Characteristics ............................................................................................................................ 38
Dimensional Drawings ............................................................................................................................ 39
Ordering ...................................................................................................................................................... 41
Part Numbering Scheme ......................................................................................................................... 41
Options .................................................................................................................................................... 41
Accessories .............................................................................................................................................. 42
Definitions ................................................................................................................................................... 44
Contact ........................................................................................................................................................ 44
3
Introduction
Figure 1: LK204-25 Display
The LK204-25 is an intelligent alphanumeric liquid crystal display designed to decrease development
time by providing an instant solution to any project. In addition to the RS232, TTL and I2C protocols
available in the standard model, USB and RS422 communication models allow the LK204-25 to be
connected to a wide variety of host controllers. Communication speeds of up to 115.2kbps for serial
protocols and 100kbps for I
2
C ensure lightning fast data display.
The simple command structure permits easy software control of many settings including backlight
brightness, screen contrast, and baud rate. On board memory provides up to forty custom characters
which can be saved within the unit and recalled for start screens, bar graphs or larger numbers.
User input is available through a five by five matrix style keypad, and six general purpose outputs
provide simple switchable five volt sources. In addition, a Dallas One-Wire header provides a
convenient communication interface for up to thirty-two devices.
The versatile LK204-25, with all the features mentioned above, is available in a variety of colour, voltage,
and temperature options to suit almost any application.
4
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