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参数资料
型号： GLK12232-25-FGW-E
厂商： Matrix Orbital
文件页数： 10/66页
文件大小： 766K
描述： LCD GRAPHIC DISPL 122X32
产品变化通告： 12C Displays Change 11/Oct/2011
标准包装： 1
显示器类型： LCD
显示模式： 可传导的
可视范围： 69.50mm L x 20.50mm W
背光： LED
点象素： 122 x 32
接口： I²C，RS232，TTL
点尺寸： 0.52mm W x 0.62mm H
点间距： 0.53mm x 0.53mm
?
The next step is to check the power cable which you are using for continuity. If you don't have an
ohm meter, try using a different power cable, if this does not
help try using a different power supply.
?
The last step will be to check the
Power / Data Connector
on the GLK12232-25. If the
Power / Data
Connector
has become loose, or you are unable to resolve the issue, please contact Matrix Orbital
see
16.5 on page 61
for contact information.
3.2 The display module is not communicating.
?
First, check the communication cable for continuity. If you
don't have an ohm meter, try using a
different communication cable. If you are using a PC try using a different Com port.
?
Second, please ensure that the display module is set to communicate on the protocol that you are
using, by checking the
Protocol Select Jumpers.
To change the protocol used by the display module
see
Section 2.4 on page 9.
?
Third, ensure that the host system and display module are both communicating on the same baud rate.
The default baud rate for the display module is 19200 bps.
?
If you are communicating to the display via I2C please ensure that the data is being sent to the correct
address. The default slave address for the display module is
0x50.
NOTE
I2C communication will always require pull up resistors.
?
Finally, you may reset the display to it's default settings using the
Manual Override Jumper, see
Section 2.6 on page 11.
3.3 The display module is communicating, however text cannot
be displayed.
?
The cause of this is often that no font has been loaded onto the
display. To load a font onto the display
see
Section 4.2.1
?
Another common cause may be that the contrast settings have been set to low. The solution to this
problem is to adjust the contrast settings, the default setting that will work in most environments is
128.
NOTE
Optimal contrast settings may vary according to factors such as temperature, view-
ing angle and lighting conditions.
3.4 There is a problem uploading fonts or bitmaps.
?
First, ensure that you can communicate to the display. A good
test is to use a PC, with MOGD# in-
stalled, to connect to the display. See
Section 1.4 on page 4
for setting up a PC to test the GLK12232-
25.
?
Second, ensure that the
File System Lock Jumper
has not been set. See
Section 2.5 on page 10.
Matrix Orbital GLK12232-25
13
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参数描述
GLK12232-25-FGW-USB 功能描述:LCD 图形显示模块和配件 122 x 32 Blk Txt Wht/Gry B/G 25 key RoHS:否 制造商:ELECTRONIC ASSEMBLY 产品: 分辨率:128 x 64 流体类型:FSTN Positive 接口: 背光: 背景色:White 工作温度范围:- 20 C to + 70 C 封装:Bulk
GLK12232-25-FGW-USB-E 功能描述:LCD 图形显示模块和配件 122 x 32 Blk Txt Wht/Gry B/G Ext Temp RoHS:否 制造商:ELECTRONIC ASSEMBLY 产品: 分辨率:128 x 64 流体类型:FSTN Positive 接口: 背光: 背景色:White 工作温度范围:- 20 C to + 70 C 封装:Bulk
GLK12232-25-SM 功能描述:LCD 图形显示模块和配件 White Background Blue Text RoHS:否 制造商:ELECTRONIC ASSEMBLY 产品: 分辨率:128 x 64 流体类型:FSTN Positive 接口: 背光: 背景色:White 工作温度范围:- 20 C to + 70 C 封装:Bulk
GLK12232-25-SM-E 功能描述:LCD 图形显示模块和配件 122x32 Blk Txt Gry/Wht Txt 25 key RoHS:否 制造商:ELECTRONIC ASSEMBLY 产品: 分辨率:128 x 64 流体类型:FSTN Positive 接口: 背光: 背景色:White 工作温度范围:- 20 C to + 70 C 封装:Bulk
GLK12232-25-SM-R14 功能描述:LCD GRAPHIC DISPL 122X32 WHT/BLU RoHS:是 类别:光电元件 >> 显示器模块 - LCD，OLED，图形 系列:- 标准包装:1 系列:* 其它名称:Q7143510
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