PT6524
PIN DESCRIPTION
Pin Name
SG1/P1 ~ SG12/P12
SG13 ~ SG51
COM1 ~ COM4
VDD
VDD1
I/O
O
O
O
-
-
Description
Segment Driver Output/General Purpose Output Ports
Segment Driver Output Pins
Common Driver Output Pins
Power Supply
Power Supply
This pin is used to apply a 2/3 LCD Drive Bias Voltage.
If the �½ Bias Drive Technique is used, this pin must be short to
VDD2.
Power Supply
This pin is used to apply a 1/3 LCD Drive Bias Voltage.
If the �½ Bias Drive Technique is used, this pin must be short to
VDD1.
Ground
Oscillation Input / Output Pin
Display OFF Control Pin
If this pin is set to “LOW” (VSS), the display is forced to turn OFF.
Output driver pins -- SG1/P1 to SG12/P12, SG13 to SG51, COM1 to
COM4 are set to “LOW”.
If this pin is set to “HIGH” (VDD), the display is turned ON. (see Note)
Chip Enable Pin
Clock Input Pin
Data Input Pin
Pin No.
1 ~ 12
13 ~ 51
52 ~55
56
57
VDD2
VSS
OSC
/INH
CE
CLK
DI
-
-
I/O
I
I
I
I
58
59
60
61
62
63
64
V1.3
7
PTC [ PRINCETON TECHNOLOGY CORP ]
