tc7129 Microchip Technology Inc., tc7129 Datasheet - Page 17

• Manufacturer Part Number: tc7129
• Description: 4-1/2 Digit Analog-to-digital Converters With On-chip Lcd Drivers
• Manufacturer: Microchip Technology Inc.

Figure 4-16:
Figure 4-17:
© 2006 Microchip Technology Inc.
BP 2
BP
BP
1
3
B
3
, C
B
F
F
A
A
4
4
3
3
, C
, E
, E
4
3
, MINUS
, G
, G
4
4
3
, DP
, BC
, DP
4
3
, D
, D
4
4
4
3
3
Display Segment Assignments.
Backplane Waveforms.
Low Battery
Low Battery
Figure 4-18:
Waveforms.
b Segment
a Segment
d, g Off
a, g On
All Off
All On
d Off
Line
On
Continuity
Continuity
Typical Display Output
B
A
F
B
A
F
BP
BP
BP
1
1
1
2
2
2
, E
, E
, C
, G
, C
, G
1
2
3
1
2
TC7129
1
1
2
2
, DP
, DP
, Continuity
, Low Battery
, D
, D
DS21459D-page 17
Backplane
Connections
1
2
1
2
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
DD
H
L
DISP
DD
H
L
DISP
DD
H
L
DISP
DD
H
L
DISP