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PCD6001

Digital telephone answering machine chip

Philips Electronics 

Philips Semiconductors

Digital telephone answering machine chip

Product specification

PCD6001

2 APPLICATION SUMMARY

The PCD6001 can be used in various applications, some

of which are listed below. Refer to Chapter 18 for the

corresponding outline application diagrams.

• Stand-alone digital answering machine; with handsfree

• Feature phone with integrated digital answering

machine and full-duplex handsfree

• Dual-line digital answering machines

• Analog cordless applications such as CT0/1 base

stations; with handsfree and MSK modem function for

RF digital data transmission

• Portable voice memo recorders

• Automotive applications - car status announcements for

example

• Low-cost desktop video conferencing

• IOM master/slave interface to connect directly to digital

systems like ISDN and DECT.

2.1 Metalink emulation

Metalink emulation is supported with the standard

package.

3 GENERAL DESCRIPTION

The PCD6001 integrates all the digital and analog speech

management and processing functions required for a

feature-phone with integrated digital answering machine,

or a stand-alone digital answering machine into a single

low-cost chip.

Key hardware features which give the chip distinct

advantages in performance and application over

competitive solutions include:

• The flexibility to change the MMI

• An easy-to-program standard 80C51 microcontroller

with 32-kbyte internal ROM memory

• High 80C51 microprocessor power for system controller

functions of CT0/CT1 system control functions

• Up to 38 general purpose I/O lines for peripheral control

• I2C-bus interface

• Flexible flash memory control to interface to several

types of serial and parallel flash memory

• Two integrated 16-bit bitstream audio CODECs for true

full-duplex handsfree operation or dual-line stand-alone

answering machine operation

• Internal Digital Speech Processor (DSP) for excellent

‘HARMONY’ sinusoidal speech compression,

decompression and variable playback speed

• Embedded DTMF detection, call progress detection,

voice operated recording (VOX)

• High quality caller ID FSK demodulation and Caller

Alerting Signal (CAS) detection for CID level 2

• Two channel telephone line input for caller ID FSK and

audio interfacing.

Philips provides a sophisticated API running on the

internal 80C51, allowing product developers to design

their MMIs quickly to suit particular applications. The API

takes care of all flash memory and DSP management

tasks and can be enhanced on request.

For the pre-recorded voice prompts, the Philips

International Language Library (PILL) tools are available

for a standard multimedia PC platform under Windows 95.

These tools provide a way to compile a range of

multi-lingual voice prompts for efficient storage in the

speech (flash) memory. The PILL tools support various

languages and their grammar adaptations.

4 ORDERING INFORMATION

TYPE

NUMBER

PCD6001H

PCD6001U

NAME

QFP80

U/10

PACKAGE

DESCRIPTION

TEMPERATURE

VERSION RANGE (°C)

plastic quad flat package; 80 leads (lead length 1.95 mm); SOT318-2

body 14 × 20 × 2.8 mm

−25 to +70

sawn wafer on Film Frame Carrier (delivery as Known

−

−25 to +70

Good Dies)

2001 Apr 17

4

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