S1D1 Epson Electronics America, Inc., S1D1 Datasheet - Page 316

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

(4) Refresh
It is recommended that the operating modes and display contents be refreshed periodically to prevent the effect of
unexpected noise.
Precautions on Turning off the power
• In case of S1D15605D11B
Rev. 2.4a
Observe Paragraph 1) as the basic rule.
<Turning the power (V
1) Power Save (The LCD powers (V
• Observe
• When
Set
capacity of V
t
L
on the MPU according to the software.
t
L
t
<
V
RES
SEG
COM
V
V
V
V
V
L
DD
1
2
3
4
5
t
>
H
5
, an irregular display may occur.
t
H
~ V
.
DD
1
) and the driver’s discharging capacity.
- V
*
, S1D15606D11B
SS
) off>
Power
save
DD
Set all commands to the ready state
Reset
- V
(Including default state setting.)
V
V
DD
DD
5
) are off.)
Refreshing of DRAM
*
t
Refresh sequence
Power Off
H
NOP command
, S1D15607D11B
About 1 V: Below Vth of the LCD panel
t
t
EPSON
H
L
1.8 V
is determined according to the external capacity C
For
t
Reset input
H
, see Figure 29.
*
, S1D15608D11B
Since the power (V
cut off, the output comes not
to be fixed.
Power (V
DD
*
- V
and S1D15609D11B
SS
DD
) OFF
S1D15605 Series
-V
SS
) is
2
(smoothing
8–61
*
,