PT6332 Datasheet, PDF (5/37 Pages) Princeton Technology Corp – VFD Driver/Controller IC

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