S1D12200 Epson Electronics America, Inc., S1D12200 Datasheet - Page 185

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

S1D12304/12305 Series
15. INSTRUCTION SETUP EXAMPLE (REFERENCE)
(1)
Note 1: Commands (6) and (7) initialize the RAM. The display contents must first be set. The non-display area
5–36
Initial setup
Command status
• Static display control : Off
• Display on/off control : Off
• Power save
• Power control
• System reset
• Others are undefined.
Command input: (Asterisk indicates any
command sequence.)
(1) System setup command
(*) Static display control command
(*) Display on/off control command
(*) Electronic volume register setup
(*) Power save command
(6) RAM address setup
(7) Data writing
Command input
(8) Power control commands
Command input:
(9) Electronic volume register setup
(Valid in Standby mode only)
• D: On (Display)
• Data: (0, 0, 0, 0)
• PS: Off (Power save)
• O: On (Oscillation)
• P, VF, VC: On
• Data: Appropriate value
must satisfy the following conditions (for RAM clear).
• DDRAM: Write the 20H data (character code).
• CGRAM: Write the 00H data (null data).
• Symbol register: Write the 00H data (null data).
As the RAM data is unstable during reset signal input (after power-on), null data must be written. If not,
unexpected display may result.
Waiting for 20 msec or more
Waiting for 10 sec or more
Input of reset signal
V
End of initialization
Power regulation
DD
-V
SS
power ON
: Off
: Off
: CG=0
(Note 1)
(Note 1)
EPSON
(2) Display mode
Input of RAM address setup command
Input of RAM (data) write command
Display of written data
End of initialization
Rev. 2.4