PT6579-LQ PTC [Princeton Technology Corp], PT6579-LQ Datasheet - Page 5

• Manufacturer Part Number: PT6579-LQ
• Description: General Purpose LCD Driver IC
• Manufacturer: PTC [Princeton Technology Corp]

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