參數(shù)資料
型號(hào): HD66724
廠商: Hitachi,Ltd.
英文描述: Graphics LCD Controller/Driver with Key Scan Function(帶鍵掃描功能的圖形LCD控制器/驅(qū)動(dòng)器)
中文描述: 圖形液晶顯示控制器/鍵掃描功能(帶鍵掃描功能的圖形液晶顯示控制器/驅(qū)動(dòng)器驅(qū)動(dòng)程序)
文件頁(yè)數(shù): 44/117頁(yè)
文件大?。?/td> 834K
代理商: HD66724
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HD66724/HD66725
44
Display Line Control
NL2-0:
Specifies the display lines. Display lines change the liquid crystal display drive duty ratio.
DDRAM address mapping does not depend on the number of display lines.
R/W RS DB7
DB0
0
0
DB6 DB5 DB4 DB3 DB2 DB1
0
0
1
1
1
NL1 NL0
NL2
Figure 15 Display Line Control Instruction
Table 22
NL Bits and Display Lines
NL2
NL1
NL0
Display Lines
Liquid Crystal Display
Drive Duty Ratio
Common Driver Used
0
0
0
Segment display
1/2 Duty
COMS1, COMS2
0
0
1
One character line
+ segment display
1/10 Duty
COM1-8, COMS1, COMS2
0
1
0
Two character lines
+ segment display
1/18 Duty
COM1-16, COMS1, COMS2
0
1
1
Three character lines
+ segment display
1/26 Duty
COM1-24, COMS1, COMS2
1
*
*
Setting inhibited
Double-Height Display Control
DL3-1:
Specifies the double-height display for a given line. When DL1 = 1, the first line is displayed at
double height. When DL2 = 1, the second line is displayed at double height. When DL3 = 1, the third line
is displayed at double height. Double-height display of multiple lines is possible. For details, see the
Double-Height Display section.
R/W RS DB7
DB0
0
0
DB6 DB5 DB4 DB3 DB2 DB1
0
1
0
0
0
DL3 DL2 DL1
Figure 16 Double-Height Display Control Instruction
Vertical Scroll Control 1/2
SN2-0:
Specifies the display start line output from COM1. Because DDRAM is assigned a 5-line display
area, data is displayed sequentially from the first line to the fifth line then repeated from the first line again.
SL2–0:
Selects the top raster-row to be displayed (display-start raster-row) in the display-start line
specified by SN2 to SN0. Any raster-row from the first to eighth can be selected (Table 24). This function
相關(guān)PDF資料
PDF描述
HD66725 Graphics LCD Controller/Driver with Key Scan Function(帶鍵掃描功能的圖形LCD控制器/驅(qū)動(dòng)器)
HD66726 Graphics LCD Controller/Driver with Key Scan Function(帶鍵掃描功能的圖形LCD控制器/驅(qū)動(dòng)器)
HD66727 Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function(帶鍵掃描功能的圖形LCD控制器/驅(qū)動(dòng)器)
HD66728 112 x 80-dot Graphics LCD Controller/Driver(112 x 80點(diǎn)圖形LCD控制器)
HD66730 Dot-Matrix Liquid Crystal Display Controller/Driver(點(diǎn)陣液晶顯示控制器/驅(qū)動(dòng)器)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD66724/HD66725 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
HD66724RA03TA0L 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD CONTROLLER
HD66725 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:112 x 80-dot Graphics LCD Controller/Driver
HD66725A03TA0L 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD CONTROLLER
HD66726 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:128 x 128-dot Graphics LCD Controller/Driver with Four-grayscale Functions