15
4.3
Common Features
General Purpose Outputs
Figure 12: GPO Header
Table 8: GPO Pinout
Pin
Function
Pin
Function
1
GPO 1
6
Vcc
2
GPO 2
7
Vcc
3
GPO 3
8
Vcc
4
NC
9
Vcc
5
Gnd
10
Vcc
A unique feature of the LK204-7T-1U
is the ability to control relays*
and other external devices using
either one or
six General Purpose Outputs.
Each can source up to 10mA of current at five volts when on
or sink 20mA at zero volts when off.
The two row, fourteen pin header can be interfaced to a number of
female connectors to provide control to any peripheral devices required.
*Note:
If connecting a relay, be sure that it is fully clamped using a diode and capacitor in order to absorb any
electro-motive force (EMF) which will be generated.
Dallas One-Wire Connector
Figure 13: Dallas One-Wire Connector
Table 9: Dallas One-Wire Pinout
Pin
Function
1
Vcc
2
D
3
Gnd
In addition to the six general purpose outputs the LK204-7T-1U
offers an Optional Dallas One-Wire
bridge, to allow for an additional thirty two one-wire devices to be connected to the display. This
header can be
populated with a Tyco 173979 connector at an added cost by custom order only.
Please
use the Contact
section to request more information
from the Matrix Orbital sales team.
发布紧急采购，3分钟左右您将得到回复。
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相关代理商/技术参数
LK204-7T-1U-USB-WB-WB
功能描述:LCD字符显示模块与配件 20x4 Wht Txt Blu B/G 7key 3 LED indicator
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
LK204-7T-1U-USB-WB-WB-E
功能描述:LCD字符显示模块与配件 20x4 Wht Txt Blu B/G Ext. Volt 7 key
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
LK204-7T-1U-USB-YG
功能描述:LCD字符显示模块与配件 20x4 Blk Txt Y/G B/G 7key 3 LED indicator
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
LK204-7T-1U-USB-YG-E
功能描述:LCD字符显示模块与配件 20x4 Blk Txt Y/G B/G Ext. Volt 7 key
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
LK204-7T-1U-WB
功能描述:LCD字符显示模块与配件 20x4 White Text Blue Background 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
LK204-7T-1U-WB-E
功能描述:LCD字符显示模块与配件 20x4 Wht Txt Blu B/G Ext. Temp 7 key
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
LK204-7T-1U-WB-LV
功能描述:LCD字符显示模块与配件 20x4 Wht Txt Blu B/G Low Volt 7 key
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
LK204-7T-1U-WB-LV-E
制造商:Matrix Orbital 功能描述:20x4, 7key, wht/blu Low Volt, Ext Temp