PCD5003 Ver la hoja de datos (PDF) - Philips Electronics

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PCD5003

Advanced POCSAG Paging Decoder

Philips Electronics 

Philips Semiconductors

Advanced POCSAG Paging Decoder

5 BLOCK DIAGRAM

Product specification

PCD5003

handbook, full pagewidth

ZSD

ZSC

ZLE

RXE

ROE

26

27 SYNTHESIZER

28

CONTROL

24

RECEIVER

25

CONTROL

DATA FILTER

23

RDI

AND

CLOCK

RECOVERY

DON

3

CLOCK

CONTROL

16

TS1

TEST

TS2

20

CONTROL

18

XTAL1

17

XTAL2

EEPROM

RESET

7

SET-UP

EEPROM CONTROL

DECODING

DATA

CONTROL

POCSAG

SYNCHRONIZATION

MAIN DECODER

MASTER

DIVIDER

TIMER

REFERENCE

OSCILLATOR

PCD5003

RAM

CONTROL

9

I2C-BUS

CONTROL

10

5

REGISTERS

AND

INTERRUPT

CONTROL 21

RAM

30

31

ALERT

GENERATION

1

AND

32

CONTROL

2

4

15

VOLTAGE 14

DOUBLER

AND LEVEL

13

SHIFTER

8

11 12, 29

VDD VSS

MLC244

RST

SDA

SCL

INT

BAT

VIB

LED

ATL

ATH

ALC

REF

CCN

CCP

VPO

VPR

Fig.1 Block diagram.

1997 Jun 24

4

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