S1D12200 Epson Electronics America, Inc., S1D12200 Datasheet - Page 52

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S1D12200

Manufacturer Part Number
S1D12200
Description
S1d12000 Series Lcd Driver Ic Technical Manual Technical Manual
Manufacturer
Epson Electronics America, Inc.
Datasheet
15. INSTRUCTION SETUP EXAMPLE
(1) Initial setup
Notes
Rev. 1.4
(REFERENCE)
Command status
• Static display control: Off
• Display on/off control: Off
• Power save: Off
• Power control: Off
• System setup: Off
• Electronic volume (0, 0, 0, 0, 0)
• Static icon (0, 0, 0, 0, 0)
• Others are undefined.
Command input:
(Asterisk indicates any command sequence.)
(1)
(2)
(
(
(5)
(6)
(7)
Command input
(8) Display on/off control command
Data input
(9) Static icon control
*
*
)
)
1) Commands (6) and (7) initialize the RAM. The display contents must first be set. The non-display area
2) Since it is specified based on rise characteristics of the booster, power control and voltage follower
3) A display of the dynamic drive series is turned on when the on command is input and the static icon is
NOP command
System setup command
Electronic volume register setup
• Address: 28H
• Data: (
Power save command
• PS: Off (Power save)
• O: On (Oscillation)
Power control commands
• P, VF, VC: On
RAM address setup
Data writing
• D: On (Display)
• Address: 20H
• Data: (
• Address: 21H
• Data: (
must satisfy the following conditions (for RAM clear).
• DDRAM: Write the 20H data (character code).
• CGRAM: Write the 00H data (data ’0’).
• Symbol register: Write the 00H data (data ’0’).
As the RAM data is unstable during reset signal input (after power-on), null data must be written. If not,
unexpected display may result.
circuits, time to be set differs depending on external capacity. Be sure to set it after the external capacity
is confirmed.
turned on using the static icon control command.
To turn both on at the same time when the display is turned on, execute display on/off command and
static icon control within 1 frame period.
Waiting for 20msec or more
Waiting for 10 sec or more
*
*
*
,
,
,
*
*
*
Input of reset signal
V
End of initialization
,
1)
,
,
Power regulation
DD
*
*
*
,
,
,
-V
*
*
*
,
,
,
SS
3)
*
*
*
)
)
)
1)
power ON
3)
2)
EPSON
(2) Display mode
Input of RAM address setup command
Input of RAM (data) write command
Display of written data
End of initialization
S1D12200 Series
2–43

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