S1D12200 Epson Electronics America, Inc., S1D12200 Datasheet - Page 254

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

S1D12400 Series
(4) Power off sequence
Note: This IC is configured as a logic circuit with a
6–66
Similar to the case of power on sequence, if this IC
power is turned off when the built-in power is on,
power supply to the built-in liquid crystal drive
circuit may continue for a very little time, adversely
affecting the liquid crystal panel display quality. To
prevent this, strictly follow the power off sequence.
power supply of V
LCD power supply V
if the power supply V
voltage remains in the LCD power supply V
V
uncontrolled voltage. When shutting the power
off, be sure to observe the following operation
procedure.
• Turn the internal power supply off, confirm
(1) Display on/off control command input
(2) Static icon control
(3) Power control command input
(4) Power save command input
5
, the driver (COM and SEG) may output an
that the voltage levels of the internal voltage
follower outputs V
dropped below the LCD panel threshold
voltage values, then turn the power of this IC
(V
- D
- Addredd : 00H-Data (0,0,0,0,0)
- Addredd : 00H-Data (0,0,0,0,0)
- Addredd : 00H-Data (0,0,0,0,0)
- Addredd : 00H-Data (0,0,0,0,0)
-P, VF, VC : off
-PS
-O
Wait for 500 microseconds or more
DD
–V
SS
V
) off.
Any given state
DD
: off (display)
: on(power save)
: off(oscillate)
-V
SS
DD
DD
power off
DD
–V
1
–V
, V
–V
SS
SS
5
2
which controls the
, V
driver. Therefore,
is shut down while
3
and V
4
have
DD
–
EPSON
16. OPTIONS LIST
The S1D 12400 series has the following options. Options
are available exclusively for users. Please contact our
Sales Department.
Character Generator ROM (CGROM)
Specifications
The S1D12400 series is provided with a character
generator ROM for up to 544 types of characters. Each
character size is of a structure of 5
TCP Specifications
The S1D12400 series is compatible with the TCP
specifications exclusive to the user, in addition to our
standard TCP. Please contact our Sales Department for
information.
(Example)
This CGROM is designed as a masked ROM, and is
compatible with the CGROM for exclusive use of the
user. For the standard CGROM, see the Character
Font Table.
The following shows how to define the name of the
product compatible with options:
S1D124
*******
CGROM option compatibility column
Model: 00(16 columns x 4 lines)
T : TCP
D : chip
01(16 columns x 3 lines)
02(16 columns x 2 lines)
7 (8) dots.
Rev. 2.1