DM6583 datasheet(1/43 Pages) ETC1

部件名	DM6583

功能描述	V.90 Integrated Data/Fax/Voice/Speakerphone Modem Device Set

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制造商	ETC1 [List of Unclassifed Manufacturers]

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DM560P

V.90 Integrated Data/Fax/Voice/Speakerphone Modem Device Set

Preliminary

1

Version: DM560P-DS-P07

August 11, 2000

General Description

The DM560P integrated modem is a four chipset

design that provides a complete solution for state-

of-the-art, voice-band Plain Old Telephone Service

(POTS) communication. The modem provides for

Data (up to 56,000bps), Fax (up to 14,400bps),

Voice and Full Duplex Speaker-phone functions to

comply with various international standards.

The design of the DM560P is optimized for desktop

personal computer applications and it provides a low

cost, highly reliable, maximum integration, with the

minimum amount of support required. The DM560P

modem can operate over a dial-up network (PSTN)

or 2 wire leased lines.

The modem integrates auto dial and answer

capabilities, synchronous and asynchronous data

transmissions, serial and parallel interfaces, various

tone detection schemes and data test modes.

The DM560P modem reference design is pre-

approved for FCC part 68 and provides minimum

design cycle time, with minimum cost to insure the

maximum amount of success.

The simplified modem system, shown in figure

below, illustrates the basic interconnection between

the MCU, DSP, AFE and other basic components of

a modem. The individual elements of the DM560P

are:

•

DM6580 Analog Front End (AFE). 28-pin PLCC

package

•

DM6581 ITU-T V.90 Transmit Digital Signal

Processor (TX DSP). 100-pin QFP package

•

DM6582 ITU-T V.90 Receive Digital Signal

Processor (RX DSP). 100-pin QFP package

•

DM6583 Modem Controller (MCU) built in Plug &

Play (PnP). 100-pin QFP package

Block Diagram

LED

DM658

3

Micro

Controller

Unit

DM658

1

TX DSP

Ring

Detector

DM658

0

Analog

Front End

TxD

RxD

MSCLK

Address &

Data Bus

SCLK

DIT

DOT

TFS

DIR

DOR

RFS

TxBCLK

TxSCLK*2

RxBCLK

RxSCLK

20.16MHz

TxDCLK

RxDCLK

DAA

RxIN

TxA1

TxA2

Lin

e

Speaker

Driver

ISA Bus

DM658

2

RX DSP

V.24

Interface

V.24

Interface

PnP

SPKR

Microphone

Driver

29.4912

MHz

40.32MHz

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