1997 Apr 03

18

Philips Semiconductors

Product specification

ADPCM CODEC for digital cordless

telephones

PCD5032

Fig.13 Typical handset application diagram for the PCD5032 in QFP44 package.

handbook, full pagewidth

MEA789

VREF+

VREF–

TM+

TM–

VGA

22

19

17

15

20

23

25

31

33

RE–

RE+

BZ–

BZ+

buzzer

VDD

VSS

A0

TEST

2.7 to 5.5 V

14

30

28

26

TPE

RPE

TPI

RPI

PO

PCD5032

9

384

6

CLK

RAS

RAD

DCLK

TAS

TAD

RFM

44

37

39

36

42

41

34

RESET

burst mode

controller

SCL

SDA

12

11

1

micro-

controller

100

nF

47

µF

100

nF

47

µF

100

nF

47

µF

100

Ω

100

Ω

1 k

Ω

1k

Ω

100 nF

100 nF

loudspeaker

microphone