S1D1 Epson Electronics America, Inc., S1D1 Datasheet - Page 575

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

* When the V
* The V
* Because the input impedance of the V
Voltage Follower Circuit
The V
and V
LCD bias ratio can be selected by LCD bias set command which is 1/7 bias or 1/9 bias for S1D15B01 series.
Power supply turn off sequence
Only S1D15B01D00B
when the RES pin is LOW, and V
chip power supply is turned off, it is recommended to be the RES pin is LOW., for the purpose of the electric discharge
on the LCD panel.
S1D15B01D00B
faculty, so that V
See the section on the Command Description for details.
S1D15B01 Series
<Setup example>
When selection Ta=25 C and V
0.05%/ C.
The central value of the electronic volume register is (D5, D4, D3, D2, D1, D0)=(1, 0, 0, 0, 0,), that is =15.
So, according to equation C-1 and V
Moreover, when the value of the current running through V
With this, according to equation C-2, C-3 and C-4,
In this case, if V
And, the variable range and the notch width of the V
volume. ( R2=53k )
Table 13
13–20
and the voltage follower circuit to an operating mode using the power control set commands. Moreover, it is necessary
to provide a voltage from V
is left open.
cables, etc. to handle noise.
R2=R2 at V
Variable range
Notch width
4
0
voltages are impedance-converted by voltage follower,and provide to LCD driver circuit.
R1+R2+R3=1.4M
R1=187k
R2=150k
R3=1063k
voltage is divided to generate the V
R
9V ={1+(R3+R2)/R1}•(1–15/200) •1.3V
5V ={1+R3/(R1+R2)}•(1–15/200) •1.3V
terminal is enabled only when the V
V
0
0
-resistor or the electronic volume function is used, it is necessary to at least set the voltage regulator circuit
0
=5V)
0
*
OUT
is set to 7V as central value,
/S1D15B01D02B
and V
*
which is used as on-chip power supply LCD driver, has the faculty of V
0
6.41[ =31]
need to short to V
OUT
0
Min.
0
=5V to V
when the Booster circuit is OFF.
shorts to V
*
REG
which is used as external power supply LCD driver, don't have such a discharge
R
=1.3V, the R1, R2, R3, are shown as follows. (when
terminal is high, it is necessary to take into consideration short leads, shield
0
1
=9V (using R2) for S1D15B01 series on which temperature gradient=–
, V
0
SS
-resistor is not used. When the V
2
SS
when the RES pin is LOW or reset command is issued. When the on-
, V
R2 becomes 53k
, when the external power supply turn off or power saver.
3
7.0[ =15]
0
and V
EPSON
(Equation C-2)
(Equation C-3)
(Equation C-3)
voltage is, as shown Table 13, as dependent on the electronic
Typ.
37
4
0
voltages by on-chip resistor circuit. And the V
and V
SS
is set to 5
7.58[ =0]
Max.
0
-resistor is used, then the V
A at V
0
=7V (central value),
R2=0 at V
OUT
Units
shorts to V
[mV]
[V]
Rev. 1.1a
R
0
1
=9V and
terminal
, V
2
, V
DD2
3