S1D12200 Epson Electronics America, Inc., S1D12200 Datasheet - Page 139

• Manufacturer Part Number: S1D12200
• Description: S1d12000 Series Lcd Driver Ic Technical Manual Technical Manual
• Manufacturer: Epson Electronics America, Inc.

*5: Applied if not accessed by the MPU during character
*6: This is applicable to the case where the built-in power
*7: Current consumption when data is always written by
*8:
*9: Specifies the minimum pulse width of the RES
*10:When operating the boosting circuit, the power
Rev. 1.9
display and if the built-in power circuit and oscillator
are operation.
Display character :
circuit is OFF and the oscillating circuit is in opera-
tion in the standby mode.
f
The current consumption in the access state is almost
proportional to the access frequency (f
When no access is made, only I
completion time from the edge of the RES signal.
Accordingly, the S1D123
erating state after
signal. It is reset when a signal having the pulse
width greater than
t
supply V
range.
cyc
R
Power Supply
(reset time) indicates the internal circuit reset
.
SS
must be used within the input voltage
RES
t
R
t
RW
.
V
V
V
V
DD
SS
DD
SS
is entered.
**
All signal timings are based on 20% and 80% of V
usually enters the op-
DD
(I) occurs.
cyc
).
–2.4 V
EPSON
*11: The f
*12: The V
t
RES
internal circuit drive may differ from the f
ing clock on some models. The following provides
the relationship between the f
boosting clock, and f
f
f
Example: The S1D12300 has 13 digits of display
characteristics of approximately –0.17%/ C (stand-
ard specifications). An optional model having the
temperature characteristics of approximately
–0.04%/ C is also available. The voltage of power
supply terminal V
power supply as an option without using the refer-
ence voltage inside the IC. In this case, however, a
regulator is used for the external power supply (V
– V
of the regulator used. The CGROM modification
rules apply to the optional models.
OSC
BST
SS
= (1/2) (1/No. of digits)
= (No. of digits)
). The voltage accuracy of V5 depends on that
OSC
REG
t
RW
frequency of the oscillator circuit for
and 1/30 duty.
f
f
reference voltage has the temperature
OSC
BST
= (1/2)
= 13 30 100 = 39 kHz
SS
SS
can be selected as the reference
FR
signals.
frame frequency.
(1/Duty) f
(1/13) 39 K = 1.5 kHz
S1D12300 Series
OSC
t
R
f
OSC
frequency, f
FR
BST
boost-
4–35
BST
DD