Datasheet

 2002-2012 Microchip Technology Inc. DS21459E-page 17
TC7129
Figure 4-16: Display Segment Assignments.
Figure 4-17: Backplane Waveforms.
Figure 4-18: Typical Display Output
Waveforms.
BP
1
BP
2
BP
3
Low Battery
Low Battery Continuity
F
4
,
E
4
,
DP
4
A
4
,
G
4
,
D
4
B
4
,
C
4
,
BC
4
F
3
,
E
3
,
DP
3
A
3
,
G
3
,
D
3
B
3
,
C
3
,
MINUS
B
1
,
C
1
,
Continuity
A
1
,
G
1
,
D
1
F
1
,
E
1
,
DP
1
B
2
,
C
2
,
Low Battery
A
2
,
G
2
,
D
2
Backplane
Connections
F
2
,
E
2
,
DP
2
Continuity
BP
1
BP
2
BP
3
V
DD
V
H
V
L
V
DISP
V
DD
V
H
V
L
V
DISP
V
DD
V
H
V
L
V
DISP
V
DD
V H
V
L
V
DISP
b Segment
Line
All Off
a Segment
On
d, g Off
a, g On
d Off
All On