hd66740 Renesas Electronics Corporation., hd66740 Datasheet - Page 54

• Manufacturer Part Number: hd66740
• Description: 112 X 80-dot Graphics Lcd Controller/driver - Hitachi Semiconductor
• Manufacturer: Renesas Electronics Corporation.

HD66740
Table 20
drive
1/9.5
drive
drive
drive
drive
drive
Bias
1/10
drive
drive
bias
bias
bias
bias
bias
bias
bias
bias
1/9
1/8
1/5
1/4
1/7
1/6
9 x R + VR
10 x R + VR
7 x R + VR
9.5 x R + VR
8 x R + VR
5 x R + VR
4 x R + VR
6 x R + VR
LCD drive voltage: V
10 x R
9 x R
7 x R
5 x R
4 x R
9.5 x R
8 x R
Contrast Adjustment per Bias Drive Voltage
6 x R
x (V
x (V
x (V
x (V
x (V
x (V
x (V
x (V
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
- GND)
- GND)
- GND)
- GND)
- GND)
- GND)
- GND)
- GND)
DR
- LCD drive voltage
- Limit of potential
- Limit if potential
- LCD drive voltage
- Limit of potential
- Limit if potential
- LCD drive voltage
- Limit of potential
- Limit if potential
- LCD drive voltage
- Limit of potential
- Limit if potential
- LCD drive voltage
- Limit of potential
- Limit if potential
- LCD drive voltage
- Limit of potential
- Limit if potential
- LCD drive voltage
- Limit of potential
- Limit if potential
- LCD drive voltage
- Limit of potential
- Limit if potential
adjustment range
difference between V5 and GND
difference between VLCD and V1
adjustment range
difference between V5 and GND
difference between VLCD and V1
adjustment range
difference between V5 and GND
difference between VLCD and V1
adjustment range
difference between V5 and GND
difference between VLCD and V1
adjustment range
difference between V5 and GND
difference between VLCD and V1
adjustment range
difference between V5 and GND
difference between VLCD and V1
adjustment range
difference between V5 and GND
difference between VLCD and V1
adjustment range
difference between V5 and GND
difference between VLCD and V1
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Contrast adjustment range
0.748 x (V
0.737 x (V
0.714 x (V
0.610 x (V
0.556 x (V
0.757 x (V
9.5 x R + VR
0.686 x (V
0.652 x (V
9.5 x R + VR
9 x R + VR
9 x R + VR
10 x R + VR
10 x R + VR
7 x R + VR
7 x R + VR
8 x R + VR
5 x R + VR
5 x R + VR
4 x R + VR
4 x R + VR
8 x R + VR
6 x R + VR
6 x R + VR
VR
VR
VR
VR
VR
VR
VR
VR
R
R
R
R
R
R
R
R
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
-GND )
-GND)
-GND)
-GND)
-GND)
x (V
x (V
x (V
x (V
-GND)
x (V
x (V
x (V
x (V
x (V
x (V
-GND)
x (V
x (V
-GND)
x (V
x (V
x (V
x (V
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
-GND)
-GND)
-GND)
-GND)
-GND)
-GND)
-GND)
-GND )
-GND)
-GND)
-GND)
-GND)
-GND)
-GND)
-GND )
-GND)
V
V
V
V
V
V
V
V
DR
DR
DR
DR
DR
DR
DR
DR
0.994 x (V
0.995 x (V
0.994 x (V
0.993 x (V
0.988 x (V
0.993 x (V
0.992 x (V
0.990 x (V
0.4 [V]
0.4 [V]
0.4 [V]
0.4 [V]
0.4 [V]
0.4 [V]
0.4 [V]
0.4 [V]
0.4 [V]
0.4 [V]
0.4 [V]
0.4 [V]
0.4 [V]
0.4 [V]
0.4 [V]
0.4 [V]
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
-GND)
-GND)
-GND)
-GND)
-GND)
-GND)
-GND)
-GND)