S1D15715 Epson Electronics America, Inc., S1D15715 Datasheet - Page 42

• Manufacturer Part Number: S1D15715
• Description: Liquid Crystal Display =lcd Driver
• Manufacturer: Epson Electronics America, Inc.

S1D15715 Series Technical Manual
7.15 Electronic volume set
This command controls the liquid crystal drive voltage V
built-in liquid crystal power supply and can adjust the contrast of LCD panel display.
See the function explanation in “Power supply circuit” for details.
7.16 LCD bias set
This command selects the voltage bias ratio required for the LCD.
This command is enabled when the voltage follower circuit operates.
7.17 n-line inversion drive register set
This command sets the number of the inversion lines of the LCD alternating driver to the register. The number
of lines that can be set is between 2 to 16. For details, refer to the functional description of “Display Timing
Generation Circuit”.
7.18 Canceling n-line inversion drive
This command cancels n-line inversion drive and restores the normal dual-frame inversion driving. The value
of n-line inversion drive register will not change.
36
A0
A0
A0
A0
0
0
0
0
___
___
RD
___
___
RD
RD
RD
E
1
E
E
E
1
1
1
R/
R/
R/
R/
___
WR
___
WR
___
WR
___
WR
0
0
0
0
__
__
__
__
W
W
W
W
D7
D7
D7
D7
1
1
0
1
D6
D6
D6
D6
0
0
0
1
D5
D5
D5
D5
0
1
1
1
D4
D4
D4
D4
0
0
0
1
1
0
1
0
EPSON
D3
D3
D3
D3
0
0
0
1
1
0
0
0
0
1
1
0
0
D2
D2
D2
D2
output from the voltage regulator circuit of the
0
0
0
↓
1
1
0
0
0
0
↓
1
1
1
D1
D1
D1
D1
0
0
1
1
1
1
0
0
1
1
1
0
D0
D0
D0
D0
0
1
0
0
1
0
1
0
1
0
0
1
0
Number of reverse line
31
30
29
α α α α
↓
1
0
S1D15A08
1/5 bias
1/6 bias
Bias
-
15
16
2
3
↓
V
0
HIGH
LOW
voltage
↓
Rev.1.0