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| 型号： | VK204-25-VPT |
| 厂商： | Matrix Orbital |
| 文件页数： | 7/47页 |
| 文件大小： | 2507K |
| 描述： | VFD ALPHA/NUM DISPLAY 20X4 |
| 产品变化通告： | MO VPT Module Change 16/Aug/2010 VK204-25 Series Release 03/Mar/2010 12C Displays Change 11/Oct/2011 |
| 标准包装： | 1 |
| 系列： | VK204-25 |
| 外形L x W x H： | 98.00mm x 61.00m x 24.40mm |
| 可视范围： | 70.80mm L x 20.90mm W |
| 显示格式： | 20 x 4 |
| 显示器类型： | 字符 |
| 格式： | 5 x 7 点 |
| 电源电压： | 9 V ~ 35 V |
| 字符尺寸： | 4.70mm H x 2.40mm W |
| 接口： | 串行 |
| 工作温度： | -20°C ~ 70°C |
| 相关产品： | VFD-GREEN-204-ND - LCD ACCY VFD FILTER 20X4 GREEN VFD-RED-204-ND - LCD ACCY VFD FILTER 20X4 RED VFD-GREY-204-ND - LCD ACCY VFD FILTER 20X4 GRAY VFD-BLUE-204-ND - LCD ACCY VFD FILTER 20X4 BLUE |
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15
Power Through DB9
Jumper
In order to provide power through pin 9 of the DB-9 Connector you must connect the Power Through
DB-9 Jumper labelled R17, as illustrated below. This connection can be made using a zero ohm resistor,
recommended size 0603, or a solder bridge. The
LVK204-25
allows all voltage models to use the power
through DB-9 option, see
the electrical specifications in Table 43
for voltage requirements.
Power Through DB9 Jumper
Protocol Select Jumpers
The Protocol Select Jumpers
provide the means necessary to toggle the standard LVK204-25
model
between RS-232, TTL and I2C protocols. As a default, the jumpers are set to RS-232 mode with solder
jumps on the 232 jumpers. In order to place the display module in I2C mode you must first remove the
solder jumps from the 232 jumpers and then place them on the I2C
jumpers. The display will now be in
I2C mode and have a default slave address of 0x50,
unless it has been changed. Similarly, in order to
change the display to TTL mode, simply remove the zero ohm resistors from the 232 or I2C jumpers and
solder them to the TTL jumpers. Protocol tables are shown below where an `X` designates a connected
jump while an ‘O’ signifies an open connection.
Table 8: RS232 Protocol Settings
RS232
TTL
I2C
X
X
X
0
0
0
0
Table 9: TTL Protocol Settings
RS232
TTL
I2C
O
O
O
X
X
O
O
Table 10: I2C
Protocol Settings
RS232
TTL
I2C
O
O
O
O
O
X
X
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| VK204-25-VPT-E | 功能描述:真空荧光显示器 - VFD 20x4 VFD 25 Key Volt Reg/Ext Temp RoHS:否 制造商:Noritake 产品:Graphic Display Modules 字符计数 x 行: 模块大小 - 宽x高x厚:230 mm x 78 mm x 15 mm 观察区域 - 宽x高:166.25 mm x 41.45 mm 接口: 电压额定值:5 V 工作温度范围:- 40 C to + 85 C 封装: |
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