ST7533 Sitronix Technology, ST7533 Datasheet - Page 44

• Manufacturer Part Number: ST7533
• Description: 33 x 96 Dot Matrix LCD Controller/Driver
• Manufacturer: Sitronix Technology

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ST7533
Refresh
It is recommended to turn on the refresh sequence regularly at a specified interval.
Precautions on Turning off the power
<Turning the power (V
1) Power Save (The LCD powers (V
• Observe
• When
Set
capacity of V
Ver 1.0
t
L
on the MPU according to the software.
t
L
COM
<
t
SEG
RES
V
L
t
V
V
V
V
V
DD
5
>
H
1
2
3
4
5
, an irregular display may occur.
~ V
t
H
.
1
) and the driver’s discharging capacity.
Power save
DD
- V
SS
) off>
DD
- V
Reset
V
V
DD
DD
5
) are off.) → Reset input → Power (V
t
H
Set all commands to the ready state
is determined according to the external capacity C2 (smoothing
Reset command or NOP command
t
H
Power Off
t
1.8V
About 1V:below Vth of the LCD Panel
L
Refreshing of DRAM
Refresh sequence
44/60
DD
- V
Since the power (V
output comes not to be fixed.
SS
) OFF
DD
-V
SS
) is cut off,the
2003/07/21