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参数资料
| 型号： | LK204-7T-1U-USB-WB-E |
| 厂商： | Matrix Orbital |
| 文件页数： | 10/40页 |
| 文件大小： | 1901K |
| 描述： | LCD CHARACTER DISPLAY 20X4 USB |
| 产品变化通告： | 12C Displays Change 11/Oct/2011 |
| 标准包装： | 1 |
| 系列： | * |
第1页第2页第3页第4页第5页第6页第7页第8页第9页当前第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页第39页第40页
18
6
Commands
6.1
Communication
1.1
Change
Baud Rate
Dec
Hex
ASCII
254 57
FE 39
■
9
Speed
Speed
Speed
v5.0
Immediately changes the baud rate. Not available in I2C. Baud rate can be temporarily forced to 19200 by a
manual override.
Speed
Byte
Valid settings shown below.
Table 11: Accepted Baud Rate Values
Rate
1200
2400
4800
9600
19200
28800
38400
57600
*76800
*115200
Speed
83
41
207
103
51
34
25
16
12
8
*Note:
Baud rates 76800 and 115200 added after firmware revision 5.0 was released
as per PCN 2006-08-2
1.2
Change
I2C
Slave Address
Dec
Hex
ASCII
254 51
FE 33
■
3
Address
Address
Address
v5.0
Immediately changes the I2C write address. Only even values are permitted as the next odd address will become
the read address. Default is 80.
Address
Byte
Even value.
1.3
Transmission
Protocol Select
Dec
Hex
ASCII
254 160
FE A0
■
á
Protocol
Protocol
Protocol
v5.0
Selects the protocol used for data transmission from the display. Data transmission to the display is not affected.
Must be set to the protocol in use to receive data correctly.
Protocol
Byte
1 for Serial (RS232/RS422/TTL/USB) or 0 for I2C.
1.4
Set
a Non-Standard
Baud Rate
Dec
Hex
ASCII
254 164
FE A4
■
?
Speed
Speed
Speed
v5.0
Immediately changes the baud rate to a non-standard value. Speed must be a whole number between 977 and
153800. Due to rounding, error increases with baud rate, actual baudmust be within 3% of desired baud to ensure
accurate communication. Not available in I2C. Can be temporarily forced to 19200 by a manual override.
Speed
Word
Calculations shown below, standard crystal speed is 16MHz.
(
)
Equation 1: Speed Byte Calculation
(
(
))
Equation 2: Actual Baud Rate Calculation
|
|
Equation 3: Baud Rate Error Calculation
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 |
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