1997 Apr 03

6

Philips Semiconductors

Product specification

ADPCM CODEC for digital cordless

telephones

PCD5032

Notes

1. QFP44 package:

Pins 1, 3, 4, 6, 8, 9, 11, 12, 14, 30, 34, 36, 37, 39, 41, 42 and 44 are digital pins.

Pins 15, 17, 23, 25, 31 and 33 are analog pins.

Pins 19, 20, 22, 26, and 28 are general pins.

2. SO28 package:

Pins 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 22, 25, 26, 27 and 28 are digital pins.

Pins 13, 14, 18, 19, 23 and 24 are analog pins.

Pins 15, 16, 17, 20 and 21 are general pins.

DCLK

36

26

I

data clock input (ADPCM)

TAD

37

27

O

transmitter ADPCM data output; direction from microphone to ADPCM

interface

n.c.

38

−−

not connected

TAS

39

28

I

transmitter ADPCM sync input; direction from microphone to ADPCM

interface

n.c.

40

−−

not connected

RAS

41

1

I

receiver ADPCM sync input; direction from ADPCM interface to

earpiece

RAD

42

2

I

receiver ADPCM data input; direction from ADPCM interface to

earpiece

n.c.

43

−−

not connected

RFM

44

3

I

receiver fast mute input; direction from ADPCM interface to earpiece

SYMBOL

TYPE

DESCRIPTION

QFP44

SO28