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参数资料
| 型号： | LK202-25-FW-V |
| 厂商： | Matrix Orbital |
| 文件页数： | 11/42页 |
| 文件大小： | 2198K |
| 描述： | LCD CHAR DISP 20X2 I2C/RS232/TTL |
| 标准包装： | 1 |
| 系列： | LK202-25 |
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15
6
Commands
6.1
Communication
1.1
Change
Baud Rate
Dec
Hex
ASCII
254 57
FE 39
■
9
Speed
Speed
Speed
v5.6
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 12: 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 with the release of
firmware revision 5.7
as per PCN 2006-08-24.
1.2
Change
I2C
Slave Address
Dec
Hex
ASCII
254 51
FE 33
■
3
Address
Address
Address
v5.6
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
v5.6
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
v5.6
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 baud must be within 3% of desired baud to ensure
accurate communication. Not available in I2C. Can be temporarily forced to19200 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
相关PDF资料 |
PDF描述 |
|---|---|
| LK202-25-R-V | LCD ALPHA/NUM DISPL 20X2 BK RED |
| 0638191875 | LOCATOR ASSEMBLY FOR 63819-1800 |
| LK202-25-WB-V | LCD ALPHA/NUM DISPL 20X2 BLU WHT |
| LK202-25-V | LCD ALPHA/NUM DISPL 20X2 Y/G BK |
| LK202-25-FW | LCD CHAR DISP 20X2 I2C/RS232/TTL |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LK202-25-FW-V-E | 制造商:Matrix Orbital 功能描述:20x2 Wht Txt, Blk BG Wide Volt, Ext Temp |
| LK202-25-FY | 功能描述:LCD字符显示模块与配件 Black Background Yellow 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 |
| LK202-25-GW | 功能描述:LCD字符显示模块与配件 White Background Blue 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 |
| LK202-25-GW-E | 功能描述:LCD字符显示模块与配件 20x2 L. Blu Txt G/Wht B/G Ext. Temp 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 |
| LK202-25-GW-V | 功能描述:LCD字符显示模块与配件 20x2 L. Blu Txt G/Wht B/G Ext. Volt 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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