S1D12200 Epson Electronics America, Inc., S1D12200 Datasheet - Page 165
S1D12200
Manufacturer Part Number
S1D12200
Description
S1d12000 Series Lcd Driver Ic Technical Manual Technical Manual
Manufacturer
Epson Electronics America, Inc.
Datasheet
1.S1D12200.pdf
(260 pages)
- Current page: 165 of 260
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S1D12304/12305 Series
Low Power Consumption Mode
The S1D12304/12305 Series is provided with the standby
mode and sleep mode with the object of low power
consumption when the unit is in the standby state.
After the power circuit and oscillating circuit are turned
off by command and the power save command is ex-
ecuted, the sleep mode is set. This mode permits reducing
current consumption nearly to the static current value.
1. Liquid crystal display output
2. DD RAM, CG RAM and symbol register
3. In the operation mode, the status precedent to execu-
4. Power circuit and oscillating circuit
5–16
Sleep Mode
COM1 to COM28, COMS2, COMS3 : V
SEG1 to SEG60, SEGS2, SEGS6
Written contents do not change and are stored re-
gardless of whether the sleep mode is turned on or
off.
tion of the sleep mode is held. All the internal circuits
stops.
Turn off the built-in power supply and oscillating
circuit by power save command and power control
command.
: V
DD
DD
level
level
EPSON
Reset Circuit
When the RES input goes active, this LSI enters the
initialization status.
1. Display ON/OFF control
2. Power save
3. Power control
4. System set
As described in 6.1 MPU Interface, the RES pin is
connected to the MPU reset pin and performs initialization
concurrently with the MPU.
Regarding the reset signal, a pulse of at least 10 s or
more active level must be input as described in 9. DC
Characteristics. Usually, the operation status is started in
1 s from the edge of the RES signal.
In the S1D12304/12305 Series where the built-in liquid
crystal power circuit is not used, the RES input must be
active when the external liquid crystal power supply is
turned on.
C
B
DC
D
O
PS
VC
VF
P
CG
= 0 : Cursor OFF
= 0 : Blink OFF
= 0 : Double cursor OFF
= 0 : Display OFF
= 0 : Oscillating circuit OFF
= 0 : Power save OFF
= 0 : Voltage regulating circuit OFF
= 0 : Voltage follower OFF
= 0 : Boosting circuit OFF
= 0 : No use of CG RAM
Rev. 2.4
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