S1D1 Epson Electronics America, Inc., S1D1 Datasheet - Page 572

• Manufacturer Part Number: S1D1
• Description: LCD Controller-driver With Built-in Character ROM
• Manufacturer: Epson Electronics America, Inc.

one of 32-states by Electronic volume command setting
the 5-bit data in the electronic volume register. Table 8
shows the value of .
Figure 10 shows V
Rev. 1.1a
is a value of the electronic volume, and can be set to
Table 8
D4
0
0
0
1
1
1
D3
0
0
0
1
1
1
11
10
D2
0
0
0
0
1
1
1
:
:
9
8
7
6
5
4
3
2
1
0
voltage measured by V
Internal Rb
Internal Ra
D1
0
0
1
0
1
1
D0
0
1
0
1
0
1
31
30
29
2
1
0
:
:
Electronic volume resister
0
-resistor ratio and electronic voltage at Ta=25 C.
V
EV
Figure 10
EPSON
Figure 9
–
+
(Constant voltage source
+ electronic volume)
Rb/Ra is the V
7-states by V
bit data in the V
the value of (1+Rb/Ra) ratio (reference value).
Table 9
D3
0
0
0
0
1
1
1
1
D2
0
0
1
1
0
0
1
1
0
-resistor ratio set command setting the 3-
D1
0
0
1
0
1
0
1
0
1
-resistor ratio, and can be set to one of
0
-resistor ratio register. Table 9 shows
External resistor can be used.
V
0
- resister ratio
V
V
0
SS
S1D15B01
1+Rb/Ra
S1D15B01 Series
5.60
5.86
6.15
6.46
6.81
7.20
7.64
110
101
100
011
010
001
000
13–17