S1D12200 Epson Electronics America, Inc., S1D12200 Datasheet - Page 42

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

*5: Applied if not access by the MPU during chara
*6: Current consumption when data is always written by
*7:
*8: Specifies the minimum pulse width of the RES
Power Supply
*9: When operating the boosting circuit, the power
Rev. 1.4
t
display and if the built-in power circuit and oscillator
are operating.
Display character:
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 S1D12200 usually enters the oper-
ating state after
signal. It is reset when a signal having the pulse
width greater than
supply V
range.
R
cyc
RES
(reset time) indicates the internal circuit reset
.
V
V
V
V
DD
SS
DD
SS
All signal timings are based on 20% and 80% of V
SS
must be used within the input voltage
t
R
.
–2.4 V
t
RW
is entered.
t
RES
DD
t
RW
(I) occurs.
SS
cyc
signals.
).
t
R
EPSON
*10: The f
*11: When performing the operations using an external
<Incase the external clock = fosc>
<Incase the external clock = 4
• Duty = (t
• fosc = 1/tosc
• Duty = (t
• fosc = 1/tosc
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
clock, not taking advantage of the built-in oscillation
circuit, input the waveforms indicated below.
Meanwhile, while using an external clock but when
clock inputs are not being made, fix it to “H”.
(Normal HIGH)
OSC
BST
t
osc
= (1/2) (1/No. of digits)
= (No. of digits)
OSC
h
h
/tosc)
/tosc)
frequency of the oscillator circuit for
t
t
h
osc
100 = 20 ~ 30%
100 = 50%
FR
frame frequency.
(1/Duty) f
S1D12200 Series
OSC
fosc>
f
OSC
frequency, f
FR
t
h
BST
boost-
2–33
BST