PT6579_10 Datasheet, PDF (5/6 Pages) Princeton Technology Corp – General Purpose LCD Driver IC

PT6579
PIN DESCRIPTION
Pin Name
I/O Active
Description
Pin No.
SG1 to SG50
O
-
Segment output pins
1 to 50
COM4/SG51
COM3 to COM1
O
VDD
-
VDD1
I
VDD2
I
-
Common driver output pins
The COM4/ SG51 pin can be used as a segment output in 1/3 duty
51 to 54
-
Power supply
Supply voltage in the range 4.5 to 6.0V
55
Used for the 2/3 Bias Voltage when the Bias Voltage is provided
-
externally.
56
Connect to VDD2 when 1/2 bias is used
Used for the 1/3 Bias Voltage when the Bias Voltage is provided
-
externally.
57
Connect to VDD1 when 1/2 Bias is used
VSS
-
-
Ground
58
CE
I
H
Chip enable pin
59
CLK
I
Synchronization clock pin
60
DI
I
-
Transfer data input pin
61
P1 to P3
O
H
PWM output pins
62 to 64
V1.1
5
September, 2009