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| TC7129 Datasheet, PDF (17/24 Pages) TelCom Semiconductor, Inc – 4-1/2 DIGIT ANALOG-TO-DIGITAL CONVERTER WITH ON-CHIP LCD DRIVERS | |||
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FIGURE 4-16:
DISPLAY SEGMENT ASSIGNMENTS
Low Battery
Low Battery
TC7129
Continuity
Continuity
BP1
BP2 Backplane
Connections
BP3
F4, E4, DP4
A4, G4, D4
B4, C4, BC4
F3, E3, DP3
A3, G3, D3
B3, C3, MINUS
FIGURE 4-17:
BACKPLANE
WAVEFORMS
BP1
BP2
BP3
© 2002 Microchip Technology Inc.
B1, C1, Continuity
A1, G1, D1
F1, E1, DP1
B2, C2, Low Battery
A2, G2, D2
F2, E2, DP2
FIGURE 4-18:
b Segment
Line
All Off
a Segment
On
d, g Off
a, g On
d Off
All On
TYPICAL DISPLAY
OUTPUT WAVEFORMS
VDD
VH
VL
VDISP
VDD
VH
VL
VDISP
VDD
VH
VL
VDISP
VDD
VH
VL
VDISP
DS21459B-page 17
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