S1D12200 Epson Electronics America, Inc., S1D12200 Datasheet - Page 99

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

Sleep Mode
(1) Setting the Sleep mode.
(2) Clearing the sleep mode
Note
Note
Note
Rev. 1.1
1. <6> and <7> of 15-1 indicate RAM initialization. Set the contents to be displayed in the beginning. For
2. Defined by the rising characteristics of the power circuit, time setting varies according to the external
3. The dynamic drive system display lamp is lit up by the display on/off command when it is on. The static
items not to be displayed (RAM Clear), use the following steps:
• DD RAM - write 20H (character code).
• CG RAM - write 00H (data ‘0’).
• Symbol register - write 00H (data ‘0’).
The RAM data is unspecified at the time of reset input (after power is turned on). If the data ‘0’ is not
written at this stage, unexpected display may occur to the unset position.
capacity. So be sure to make confirmation by external capacity, and set this time.
icon lamp is lit by the static icon control command. So to light up the lamp simultaneously with start of
display, execute the display on/off control command and static icon control within one frame.
<3> Display on/off command input - D on (display)
<4> Static icon control - Address 20H, 22H
<1> Power save command input
<2> Power supply control command input
<1> Display on/off control command input
<2> Power save icon control
<3> Power save command input
<4> Power supply control command input
(Power save is cleared and oscillating circuit turns on.)
Returns to normal operation (original state).
Wait for 20 microseconds or more.
Data (*, *, *, *, *)
Address 21H, 23H
Data (*, *, *, *, *)
Starts the sleep mode.
End of initialization
Normal operation
Sleep mode
EPSON
- PS off (power save)
- P on
- D off (display)
- Address 20H, 22H
- Address 21H, 23H
- PS on (power save)
- P off
Data (0, 0, 0, 0, 0)
Data (0, 0, 0, 0, 0)
O off (oscillating)
O on (oscillation)
(See Note 3)
(See Note 3)
(See Note 2)
(See Note 3)
(See Note 3)
S1D12205 Series
3–37