ST7533 Sitronix Technology, ST7533 Datasheet - Page 11

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

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ST7533
LCD Driver Pins
Ver 1.0
Pin Name
SEG95
COMS
COM0
COMn
SEG0
to
to
I/O
O
O
O
These are the LCD segment drive outputs. Through a combination of the
contents of the display RAM and with the FR signal, a single level is selected
from V
These are the LCD common drive outputs.
Through a combination of the contents of the scan data and with the FR
signal, a single level is selected from V
These are the COM output terminals for the indicator. Both terminals output
the same signal.
Leave these open if they are not used.
Power save
Scan Data
RAM DATA
Power save
33 DUTY
17 DUTY
Part No.
DD
H
H
L
L
, V2, V3, and V5.
H
H
L
L
FR
----
H
H
L
L
FR
----
COM0 ~ COM31
COM0 ~ COM15
H
H
L
L
Output Voltage
COM
Normal Display
V
V
11/60
V
V
V
DD
DD
Function
V
5
1
4
V
V
V
DD
5
2
3
Output Voltage
DD
, V
TOTAL
V
DD
1
32
16
, V
Reverse Display
4
, and V
V
V
V
V
DD
2
3
5
5
.
No. of Pins
96
2
2003/07/21