MC14LC5447DW 데이터 시트보기 (PDF) - Motorola => Freescale

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MC14LC5447DW

Calling Line Identification (CLID) Receiver with Ring Detector

Motorola => Freescale 

C1

TIP

0.2 µF

RING

C2

0.2 µF

TO PHONE

500 pF C3

500 pF C4

470 kΩ

18 kΩ

15 kΩ

APPLICATION CIRCUIT

10 kΩ

0.1 µF VDD

2 kΩ

2 kΩ

10 kΩ

TI 1 16 15 DOC

RI 2

14 DOR

RDI1 3

13 CDO

RDI2 4

12 RDO

NC 5

RT 6

11 CLKSIN

VDD

10 OSCin

PWRUP 7

8

9 OSCout

VDD

270 kΩ

INTERRUPT

0.2 µF

MCU

3.68 MHz

RI

RT

RDO

PWRUP

CDO

DOC

DISPLAY

Figure 8. Adjunct Box Concept for Calling Number Display

FIRST RING

0.5

2 SECONDS

SEC

0.5

SECOND RING

SEC

2 SECONDS

0101 1

DATA

INTERRUPT

FOR MCU

NOTE 1

NOTE 1

DATA

NOTE 2

DOR

DATA

OSC

3.58 MHz, 3.6864 MHz, OR 455 kHz

NOTES:

1. MCU must assert PWRUP to MC14LC5447.

2. No data detected, MCU powers down the MC14LC5447.

Timing Diagram for Figure 8

MOTOROLA

MC14LC5447

9

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