TC7129CKW(2002) Ver la hoja de datos (PDF) - Microchip Technology

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componentes Descripción

Fabricante

TC7129CKW
(Rev.:2002)

4-1/2 Digit Analog-to-Digital Converters with On-Chip LCD Drivers

Microchip Technology 

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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