參數(shù)資料
型號： 44780
廠商： Hitachi,Ltd.
英文描述： Dot Matrix Liquid Crystal Display Controller/Driver
中文描述： 點陣式液晶顯示控制器/驅(qū)動器
文件頁數(shù)： 40/59頁
文件大?。?/td> 316K
代理商： 44780
HD44780U
45
Initializing by Instruction
If the power supply conditions for correctly operating the internal reset circuit are not met, initialization by
instructions becomes necessary.
Refer to Figures 23 and 24 for the procedures on 8-bit and 4-bit initializations, respectively.
Power on
Wait for more than 15 ms
after VCC rises to 4.5 V
Wait for more than 4.1 ms
Wait for more than 100
s
RS
0
R/W
0
DB7
0
DB6
0
DB5
1
DB4
1
DB3DB2 DB1 DB0
****
RS
0
R/W
0
DB7
0
DB6
0
DB5
1
DB4
1
DB3 DB2 DB1 DB0
****
RS
0
R/W
0
DB7
0
DB6
0
DB5
1
DB4
1
DB3 DB2 DB1
***
DB0
*
RS
0
R/W
0
DB7
0
DB6
0
DB5
1
DB4
1
DB3
N
DB2
F
DB1 DB0
**
0
1
0
1
0
I/D
0
1
S
Initialization ends
BF cannot be checked before this instruction.
Function set (Interface is 8 bits long.)
BF cannot be checked before this instruction.
Function set (Interface is 8 bits long.)
BF cannot be checked before this instruction.
Function set (Interface is 8 bits long.)
BF can be checked after the following instructions.
When BF is not checked, the waiting time between
instructions is longer than the execution instuction
time. (See Table 6.)
Function set (Interface is 8 bits long. Specify the
number of display lines and character font.)
The number of display lines and character font
cannot be changed after this point.
Display off
Display clear
Entry mode set
Wait for more than 40 ms
after VCC rises to 2.7 V
Figure 23 8-Bit Interface
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
447-800 功能描述:環(huán)形MIL規(guī)格后蓋 RoHS:否 制造商:Amphenol PCD MIL 類型:MIL-DTL-38999 III, IV 系列:AS85049 產(chǎn)品類型:Environmental EMI/RFI Backshells 外殼類型:Straight 外殼大小:18 外殼材質(zhì):Aluminum Alloy
447802-1 制造商:TE Connectivity 功能描述:SCREW 4-40 - Bulk
447-804M0503 功能描述:環(huán)形MIL規(guī)格后蓋 RoHS:否 制造商:Amphenol PCD MIL 類型:MIL-DTL-38999 III, IV 系列:AS85049 產(chǎn)品類型:Environmental EMI/RFI Backshells 外殼類型:Straight 外殼大小:18 外殼材質(zhì):Aluminum Alloy
447-804NF0503K 功能描述:環(huán)形MIL規(guī)格后蓋 RoHS:否 制造商:Amphenol PCD MIL 類型:MIL-DTL-38999 III, IV 系列:AS85049 產(chǎn)品類型:Environmental EMI/RFI Backshells 外殼類型:Straight 外殼大小:18 外殼材質(zhì):Aluminum Alloy
447-804NF0603B 功能描述:環(huán)形MIL規(guī)格后蓋 RoHS:否 制造商:Amphenol PCD MIL 類型:MIL-DTL-38999 III, IV 系列:AS85049 產(chǎn)品類型:Environmental EMI/RFI Backshells 外殼類型:Straight 外殼大小:18 外殼材質(zhì):Aluminum Alloy
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