参数资料
型号: LK204-25-E
厂商: Matrix Orbital
文件页数: 11/47页
文件大小: 2507K
描述: LCD APHA/NUM DISPL 20X4 Y/G BK
产品变化通告: LK204-25 Series Release 03/Mar/2010
Backlight Change 02/Mar/2010
12C Displays Change 11/Oct/2011
标准包装: 1
系列: LK204-25
显示器类型: TN - 扭曲向列
显示模式: 可传导的
数字/字母数: 80
外形L x W x H: 98.00mm x 60.00mm x 27.50mm
可视范围: 76.00mm L x 25.20mm W
显示格式: 20 x 4
字符尺寸: 4.75mm H x 2.95mm W
字符格式: *
电源电压: 5.0V
接口: I²C,RS232,TTL
工作温度: -20°C ~ 70°C
19
Keypad Header
Figure 20: Keypad Header
Table 18: Keypad Pinout
Pin
Function
1
Gnd
2
Row 1
3
Row 2
4
Row 3
5
Row 4
6
Row 5
7
Column 1
8
Column 2
9
Column 3
10
Column 4
11
Column 5
12
Gnd/Vcc*
To facilitate user input, the LVK204-25
provides a Keypad Interface Connector which allows a matrix
style keypad of up to twenty-five keys
to be directly connected to the display module.
Key presses are
generated when a short is detected between a row and a column.
When a key
press is generated, a
character
specific to that key press
is automatically sent on the Tx communication line.
If the display
module is running in I2C mode, the “Auto Transmit Keypress” function may be turned off
to allow the
key presses to remain in the buffer so that they may be polled.
The character that is associated with
each key press may also be altered using the “Assign Key Codes” command.
The straight twelve pin
header of the Keypad Interface Connector will interface to a variety of different devices including the
Matrix Orbital KPP4x4 keypad.
*Note:
The Ground / +5V pin is toggled by the jumper to the right of the keypad connector. Jump pads 1 & 2 for
+5V or 2 & 3 for GND.
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相关代理商/技术参数
参数描述
LK204-25-FA 功能描述:LCD字符显示模块与配件 Black Background Amber Text RoHS:否 制造商:Lumex 显示模式:Transflective 字符计数 x 行:16 x 2 特点: 流体类型:STN 接口: 背景色: 工作温度范围:- 20 C to + 70 C 封装:Bulk
LK204-25-FB 功能描述:LCD字符显示模块与配件 Black Background Blue Text RoHS:否 制造商:Lumex 显示模式:Transflective 字符计数 x 行:16 x 2 特点: 流体类型:STN 接口: 背景色: 工作温度范围:- 20 C to + 70 C 封装:Bulk
LK204-25-FG 功能描述:LCD字符显示模块与配件 Black Background Green Text RoHS:否 制造商:Lumex 显示模式:Transflective 字符计数 x 行:16 x 2 特点: 流体类型:STN 接口: 背景色: 工作温度范围:- 20 C to + 70 C 封装:Bulk
LK204-25-FW 功能描述:LCD字符显示模块与配件 Black Background White Text RoHS:否 制造商:Lumex 显示模式:Transflective 字符计数 x 行:16 x 2 特点: 流体类型:STN 接口: 背景色: 工作温度范围:- 20 C to + 70 C 封装:Bulk
LK204-25-GW 功能描述:LCD字符显示模块与配件 White Background Blue Text RoHS:否 制造商:Lumex 显示模式:Transflective 字符计数 x 行:16 x 2 特点: 流体类型:STN 接口: 背景色: 工作温度范围:- 20 C to + 70 C 封装:Bulk