S1D1 Epson Electronics America, Inc., S1D1 Datasheet - Page 246

• Manufacturer Part Number: S1D1
• Description: LCD Controller-driver With Built-in Character ROM
• Manufacturer: Epson Electronics America, Inc.

• Data Display
Notes: *13: Refer to the “Display Line Set” in the Command Description (2).
• Powering Off *18
Notes: *18: This IC functions as the logic circuit of the power supplies V
• Refresh
Rev. 4.6
It is recommended that the operating modes and display contens be refreshed periodically,to prevent the effect of
unexpected noise. This sequence, however, must not be turned on as long as the initial setup, data display or powering
off sequence is taking place.
Function select through the command (user setup)
Power save sequence *19
*14: Refer to the “Page Address Set” in the Command Description (3).
*15: Refer to the “Column Address Set” in the Command Description (4).
*16: Refer to the “Display Data Write” in the Command Description (6).
*17: Refer to the “Display ON/OFF” in the Command Description (1).
*19: When the power save command is entered, you must not implement reset from RES terminal until V
It is recommended to avoid the all-white-display of the display start data.
driver of LCD power supplies V
voltage is still present on LCD power supplies V
uncontrolled voltage. Therefore, you are required to observe the following powering off procedure:
Turn the built-in power supply off, then turn off the IC power supplies (V
sure that potential of V
Circuit” in the Function Description.
V
SS
Turn V
power are turned off. Refer to the “Power Save” in the Command Description.
DD
Any state
and V
SS
Set every command according to the state being selected
Function select through the commands (user setup)
Function select through the command (user setup)
Function select through the command (user setup)
power
5
– V
Display start line set *13
Page address set *14
Column address set *15
Display data write *16
Display ON/OFF *17
1
is below the LCD panel threshold voltage level. Refer to the “Supply
(including setup of the default state).
DD
Data display is complete
Initial setup is complete
– V
Refresh the DDRAM.
5
Refresh sequence
. Thus, if power supplies V
EPSON
DD
The time spent for the operations ranging from power
save through powering off (V
must be longer than the time required for V
under the LCD panel threshold voltage (normally 1V).
*
* It is recommended to cut
– V
t
resisters Ra and Rb (for adjusting voltages V
and the smoothing capacitor C2.
resistor between V
H
is determined by time constant of the external
5
, drivers (COM and SEG) may output
DD
– V
SS
DD
, and used for controlling the
DD
– V
S1D15600/601/602 Series
DD
and V
SS
– V
t
are turned off while
L
DD
shorter by connecting a
5
.
SS
– V
) only after making
SS
= 2.4V) (
5
to V
t
5
L
1
)
to V
go
7–51
DD
1
)
–