PT6553_10 Datasheet, PDF (6/41 Pages) Princeton Technology Corp – LCD Driver IC with Key Input Function

LCD Driver IC with Key Input Function
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URL: http://www.princeton.com.tw
PT6553
PIN DESCRIPTION
Pin Name
SG1/P1 ~ SG4/P4
SG5 ~ SG40
COM1, COM2, COM3
KO1/SG41
KO2/SG42
KO3 ~ KO6
KI1 ~ KI5
TEST
VDD
VDD1
VDD2
VSS
OSC
DO
CE
CLK
DI
I/O
Description
Segment Output/General Purpose Output Pins
O Under serial data control, these pins may be
used a General Purpose Output Ports.
O Segment Output
O Common Driver Output Pins
O Key Scan Output/Segment Output Pin
O Key Scan Output/Segment Output Pin
O Key Scan Output Pins
I Key Scan Input Pins
I Test Pin
- Power Supply
Power Supply
-
This power supply pin is used for applying the LCD
Drive 2/3 bias voltage externally and must be
connected to VDD2 when using 1/2 bias drive.
Power Supply
-
This power supply pin is used for applying the LCD
Drive 1/3 bias voltage externally and must be
connected to VDD1 when using 1/2 bias drive.
- Ground
I/O Oscillator Pin
O Data Output Pin
I Chip Enable Pin
I Synchronization Clock Input Pin
I Data Transfer Input Pin
Pin No.
1~4
5 ~ 40
41, 42, 43
44
45
46 ~ 49
50 ~ 54
55
56
57
58
59
60
61
62
63
64
PT6553 V1.7
-6-
November, 2007