WARNING
Do not apply voltage through pin 9 of the DB-9 connector
AND through the Power/Data Connector at the same time.
2.2 Power/Data Connector
ThePower/Data Connectorprovides a standard connector for powering the display module. The LCD2041
requires ?ve volts for the standard display module, between
nine to ?fteen for the wide voltage (V) and be-
tween nine to thirty-?ve volts for the wide voltage with ef?c
ient power supply module (VPT). The voltage is
applied through pins one and four of the four pin
Power/Data connector. Pins two and three are reserved for
serial transmission, using either the RS-232/TTL or the I2C protocol, depending on what has been selected
by the
Protocol Select Jumpers. Pins two and three may be reversed by changing the
Legacy Connector
Jumpers
in order to be compatible with previous PCB revisions.
Pin
1
PWR
(See table 1)
Pin
2
Rx \ SCL (I2C clock)
Pin
3
Tx \ SDA (I2C data)
Pin
4
GND
Figure 15: Power Connector and Pin out
Table 1: Power Requirements
Standard
-V
-VPT
Supply Voltage
+5Vdc
±0.25V
+9V to +15V
+9V to +35V
Supply Current
11 mA typical
Supply Backlight Current
160 mA typical
WARNINGS
?
Do not apply any power with reversed polarization.
?
Do not apply any voltage other than the speci?ed voltage.
Matrix Orbital LCD2041
10
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相关代理商/技术参数
LCD2041-V-E
制造商:Matrix Orbital 功能描述:20x4 Blk Txt, Y/G BG Low Volt, Ext Temp
LCD2041-VPT
功能描述:LCD字符显示模块与配件 20x4 Blk Txt Y/G B/G Voltage Regulator
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
LCD2041-VPT-E
制造商:Matrix Orbital 功能描述:20x4 Blk Txt, Y/G BG Wide Volt, Ext Temp
LCD2041-WB
功能描述:LCD字符显示模块与配件 Blue 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
LCD2041-WB-E
功能描述:LCD字符显示模块与配件 20x4 Wht Txt Blu B/G Ext. Temp No Key LCD
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
LCD2041-WB-V
功能描述:LCD字符显示模块与配件 20x4 Wht Txt Blu B/G Ext. Volt No Key LCD
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
LCD2041-WB-V-E
制造商:Matrix Orbital 功能描述:20x4 Wht Txt, Bl BG Low Volt, Ext Temp
LCD2041-WB-VPT
功能描述:LCD字符显示模块与配件 20x4 Wht Txt Blu B/G Voltage Regulator
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