S1D1 Epson Electronics America, Inc., S1D1 Datasheet - Page 289

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

S1D15605 Series
V
voltage at Ta = 25 C is as shown in Table 9.
volume function depending on the data set in the 6-bit
electronic volume register. Table 10 shows the value for
8–34
REG
is set to 1 level of 64 possible levels by the electronic
depending on the electronic volume register settings.
is the IC-internal fixed voltage supply, and its
D5 D4 D3 D2 D1 D0
0
0
0
1
1
1
Equipment Type
(1) Internal Power Supply
(2) Internal Power Supply
(3) External Input
0
0
0
1
1
1
0
0
0
1
1
1
Internal Ra
Internal Rb
V
Table 10
5
.
.
.
Q
0
0
0
1
1
1
V
1
1
EV
0
0
1
0
1
1
Rb
Ra
Rb
Ra
1
V
0
1
0
1
0
1
1
EV
–
162
162
Thermal Gradient
63
62
61
2
1
0
.
.
.
V
REG
V
REG
–0.05
V
–0.2
EV
—
+
–
(constant voltage supply + electronic volume)
EPSON
Figure 8
Table 9
(Equation A-1)
Rb/Ra is the V
and can be set to 8 different levels through the V
voltage regulator internal resistor ratio set command.
The (1 + Rb/Ra) ratio assumes the values shown in
Table 11 depending on the 3-bit data settings in the V
voltage regulator internal resistor ratio register.
[%/ C ]
[%/ C ]
Units
—
5
voltage regulator internal resistor ratio,
V
–2.1
–4.9
V
REG
V
V
RS
DD
5
Units
[V]
[V]
[V]
Rev. 2.4a
5
5