PT6332 Datasheet, PDF (10/37 Pages) Princeton Technology Corp – VFD Driver/Controller IC

VFD Driver/Controller IC
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PT6332
CONTROL DATA
P1 TO P4: SEGMENT DRIVER/GENERAL PURPOSE OUTPUT CONTROL DATA
This control data controls switching SG56/P1~SG53/P4 between segment driver and general purpose
output. When SG56/P1~SG53/P4 is used as general purpose output which will be not affected by
dimming and segment control.
Control Bit
Data
Output Pin Mode
P1
H/L
P1/SG56
P2
H/L
P2/SG55
P3
H/L
P3/SG54
P4
H/L
P4/SG53
When SG56/P1~SG53/P4 is used as general purpose output. The table lists the relationship between
the output pin and control bit as below.
Output Pin Mode Control Bit
SG56/P1
D56
SG55/P2
D55
SG54/P3
D54
SG53/P4
D53
S0, S1: SLEEP CONTROL DATA
This control data controls switching between sleep mode and normal mode, and also sets the states of
the KS1 to KS5 key scan output pins in key scan standby mode.
Control Data
S0
S1
0
0
0
1
1
0
1
1
Mode
Normal
Sleep
Sleep
Sleep
Clock Generator
(oscillator circuit)
Oscillator operating
Stopped
Stopped
Stopped
Segment Outputs
Digit Output
Operating
L
L
L
Output Pin states during key scan standby
KS1
KS2 KS3 KS4 KS5
H
H
H
H
H
L
L
L
L
H
L
L
L
H
H
H
H
H
H
H
CT0 TO CT3: SLEEP CURRENT CONTROL DATA
Control Bit
CT0 CT1
CT2
0
0
0
1
1
1
Current
I_DD1≤100µA
I_DD1≤5µA
Mode
Normal mode
Test mode
PT6332 V1.0
- 10 -
February, 2006