PT6523_10 Datasheet, PDF (5/23 Pages) Princeton Technology Corp – 1/3 Duty General Purpose LCD Driver IC

1/3 Duty General Purpose LCD Driver IC
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URL:http://www.princeton.com.tw
PT6523
PIN DESCRIPTION
Pin Name
SG1 to SG52
COM1 to COM3
VDD
/INH
VDD1
VDD2
VSS
OSC
CE
CLK
DI
I/O
Description
O
Segment Output Pins
Common Driver Output Pins
- Power Supply
Display OFF Control Input Pin
I When this pin is Low, the display is forcibly turned off.
(SG1~SG52, COM1~COM3 are set to Low) (see Note)
Used for the 2/3 Bias Voltage when the Bias Voltages are
I provided externally. Connect to VDD2 when 1/2 bias is
used.
Used for 1/3 Bias Voltage when the Bias Voltage are
I provided externally. Connect to VDD1 when 1/2 Bias is
used.
- Ground Pin
I/O Oscillation Input/Output Pin
I Chip Enable Pin
I Synchronization Clock
I Transfer Data Pin
Pin No.
1 to 52
53 to 55
56
57
58
59
60
61
62
63
64
Note: When /INH = Low: Serial data transfers can be performed when the display is forcibly off.
PT6523 V1.8
-5-
July, 2007