Tel: 886-2-66296288
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
VFD Driver/Controller IC
PT6332
PIN DESCRIPTION
Pin Name
GR1 ~ GR2
GR3/SG57
VFL
SG56/P1 ~ SG53/P4
SG52 ~ SG1
VSS1
KS1 ~ KS5
KI1 ~ KI5
DT
I/O
O
O
-
O
O
-
O
I
I
Description
Grid driver output pin
Grid/Segment driver output pin
Driver power supply
Segment driver/General purpose output pin
Segment output pin
Ground pin
Key scan output pin
Key scan input pin
Duty cycle selection pin
(DT=0, 1/3 duty)
(DT=1, 1/2 duty)
Blank input pin (Reset pin)
When this pin is set to “Low” level, the display is turned off
and key scan is disabled. All key data are reset to low.
When this pin is set to “High”, the display is turned on and
the key scan is enabled. (see note)
Data output pin (open ~ drain)
Chip enable input pin
Clock input pin
Data input pin
Power supply
Oscillation input pin
Ground pin
Pin No.
1~2
3
4
5~8
9~ 60
61
62 ~ 66
67 ~ 71
72
/BLK
DO
CE
CL
DI
VDD
OSCI
VSS2
I
O
I
I
I
-
I
-
73
74
75
76
77
78
79
80
PT6332 V1.0
-5-
February, 2006
PTC [ PRINCETON TECHNOLOGY CORP ]
