參數(shù)資料
型號： HD66740WTB0
廠商： Hitachi,Ltd.
英文描述： 112 x 80-dot Graphics LCD Controller/Driver
中文描述： 112 × 80點圖形LCD控制器/驅(qū)動器
文件頁數(shù)： 54/95頁
文件大?。?/td> 856K
代理商： HD66740WTB0
HD66740
54
Table 20
Contrast Adjustment per Bias Drive Voltage
9.5 x R + VR
9.5 x R
x (V
LCD
- GND)
0.748 x (V
LCD
-GND)
≤
V
DR
≤
0.994 x (V
LCD
-GND)
R
x (V
LCD
-GND)
9.5 x R + VR
≥
0.4 [V]
9.5 x R + VR
≥
0.4 [V]
x (V
LCD
-GND)
VR
5 x R + VR
5 x R
x (V
LCD
- GND)
0.610 x (V
LCD
-GND )
≤
V
DR
≤
0.990 x (V
LCD
-GND)
R
x (V
LCD
-GND )
5 x R + VR
≥
0.4 [V]
5 x R + VR
≥
0.4 [V]
x (V
LCD
-GND )
VR
4 x R + VR
4 x R
x (V
LCD
- GND)
0.556 x (V
LCD
-GND)
≤
V
DR
≤
0.988 x (V
LCD
-GND)
R
x (V
LCD
-GND)
≥
0.4 [V]
4 x R + VR
≥
0.4 [V]
4 x R + VR
VR
x (V
LCD
-GND)
9 x R + VR
9 x R
x (V
LCD
- GND)
0.737 x (V
LCD
-GND)
≤
V
DR
≤
0.994 x (V
LCD
-GND)
R
x (V
LCD
-GND)
≥
0.4 [V]
≥
0.4 [V]
9 x R + VR
VR
x (V
LCD
-GND)
9 x R + VR
10 x R + VR
10 x R
x (V
LCD
- GND)
0.757 x (V
LCD
-GND)
≤
V
DR
≤
0.995 x (V
LCD
-GND)
R
x (V
LCD
-GND)
10 x R + VR
≥
0.4 [V]
≥
0.4 [V]
x (V
LCD
-GND)
10 x R + VR
VR
Bias
LCD drive voltage: V
DR
Contrast adjustment range
1/10
bias
drive
1/9.5
bias
drive
1/9
bias
drive
1/5
bias
drive
1/4
drive
- LCD drive voltage
adjustment range
- Limit of potential
difference between V5 and GND
- Limit if potential
difference between VLCD and V1
- LCD drive voltage
adjustment range
- Limit of potential
difference between V5 and GND
:
:
:
- Limit if potential
difference between VLCD and V1
- LCD drive voltage
adjustment range
- Limit of potential
difference between V5 and GND
:
:
:
8 x R + VR
8 x R
x (V
LCD
- GND)
0.714 x (V
LCD
-GND)
≤
V
DR
≤
0.993 x (V
LCD
-GND)
R
x (V
LCD
-GND)
8 x R + VR
≥
0.4 [V]
8 x R + VR
≥
0.4 [V]
x (V
LCD
-GND)
VR
1/8
bias
drive
- LCD drive voltage
adjustment range
- Limit of potential
difference between V5 and GND
- Limit if potential
difference between VLCD and V1
- LCD drive voltage
adjustment range
- Limit of potential
difference between V5 and GND
:
:
:
6 x R + VR
6 x R
x (V
LCD
- GND)
0.652 x (V
LCD
-GND)
≤
V
DR
≤
0.992 x (V
LCD
-GND)
R
x (V
LCD
-GND)
6 x R + VR
≥
0.4 [V]
6 x R + VR
≥
0.4 [V]
x (V
LCD
-GND)
VR
7 x R + VR
7 x R
x (V
LCD
- GND)
0.686 x (V
LCD
-GND)
≤
V
DR
≤
0.993 x (V
LCD
-GND)
R
x (V
LCD
-GND)
7 x R + VR
≥
0.4 [V]
≥
0.4 [V]
x (V
LCD
-GND)
7 x R + VR
VR
1/7
bias
drive
1/6
bias
drive
- Limit if potential
difference between VLCD and V1
- LCD drive voltage
adjustment range
- Limit of potential
difference between V5 and GND
:
:
:
- Limit if potential
difference between VLCD and V1
- LCD drive voltage
adjustment range
- Limit of potential
difference between V5 and GND
:
:
:
- Limit if potential
difference between VLCD and V1
:
:
:
- Limit if potential
difference between VLCD and V1
- LCD drive voltage
adjustment range
- Limit of potential
difference between V5 and GND
:
:
:
- Limit if potential
difference between VLCD and V1
:
:
:
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