lc75810e Sanyo Semiconductor Corporation, lc75810e Datasheet - Page 30

• Manufacturer Part Number: lc75810e
• Description: 1/8 To 1/10 Duty Dot-matrix Lcd Display Controller Driver
• Manufacturer: Sanyo Semiconductor Corporation

CT0 to CT3: Sets the display contrast (11 steps)
CTC: Sets the display contrast adjustment circuit state
Note that although the display contrast can be adjusted by operating the built-in display contrast adjustment circuit, it is
also possible to be adjusted by varying the voltage level on the LCD driver block power supply V
level on V
D128
CT0
Set display contrast
CT0
0
1
0
1
0
1
0
1
0
1
0
CTC
0
1
D129
CT1
CT1
0
0
1
1
0
0
1
1
0
0
1
LCD
The display contrast adjustment circuit is disabled, and the V
The display contrast adjustment circuit operates, and the display contrast is adjusted.
CT2
D130
0 must be greater than or equal to 4.5V.
CT2
0
0
0
0
1
1
1
1
0
0
0
CT3
D131
CT3
0
0
0
0
0
0
0
0
1
1
1
0.94V
0.91V
0.88V
0.85V
0.82V
0.79V
0.76V
0.73V
0.70V
0.67V
0.64V
<Sets the display contrast.>
D132
X
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
D133
= V
= V
= V
= V
= V
= V
= V
= V
= V
= V
= V
X
LCD drive 4/4 bias voltage supply V
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
-(0.03V
-(0.03V
-(0.03V
-(0.03V
-(0.03V
-(0.03V
-(0.03V
-(0.03V
-(0.03V
-(0.03V
-(0.03V
D134
X
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
D135
X
Code
Display contrast adjustment circuit state
2)
3)
4)
5)
6)
7)
8)
9)
10)
11)
12)
D136
CTC
LC75810E/T
D137
X
LCD
LCD
0 pin level is forced to the V
D138
X
0 level
D139
0
D140
1
D141
0
LCD
D142
level.
0
X:don’t care
D143
0
LCD
pin. However, the
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