7
2.2
Standard Module
The standard version of the LK204-7T-1U
allows for user configuration of three common communication
protocols.
First, the unit can communicate using serial protocol at either RS323 or TTL voltage levels.
Second, it can communicate using the Inter-Integrated Circuit connect, or I2C protocol. Connections for
each protocol can be accessed through the four pin Communication/Power Header as outlined in the
Serial Connections
and I2C
Connections
sections below.
Recommended Parts
Figure 3: Communication/Power Cable
(SCCPC5V)
The most common cable choice for any alphanumeric Matrix Orbital
Display, the Communication/ Power Cable offers a simple connection
to the unit with familiar interfaces. DB9 and floppy power headers
provide all necessary input to drive your display.
Figure 4: Breadboard Cable (BBC)
For a more flexible interface to the LK204-7T-1U
a Breadboard Cable
may be used. This provides a simple four wire connection that is
popular among developers for its ease of use in a breadboard
environment.
Serial Connections
A serial interface provides a classic connection to the
LK204-7T-1U.
The Communication/Power Cable is
most commonly used for this set up as it provides connections for DB9 serial and floppy power cables.
To place your board in Serial mode, adhere to the steps laid out below.
1.
Set the Protocol Select jumpers.
?
RS232: Connect the three jumpers*
in the 232 protocol box with the zero ohm jumper resistors
provided or an alternate wire or solder solution.
?
TTL: Connect the two jumpers*
in the TTL protocol box.
*Note:
Jumpers must be removed from all protocol boxes save for the one in use.
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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