DM6580E datasheet(1/48 Pages) DAVICOM

部件名	DM6580E

功能描述	V.90 Integrated Data/ Fax/Voice/Speakerphone Modem Device Single Chip with Memory Built in

PDF	48 Pages

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制造商	DAVICOM [Davicom Semiconductor, Inc.]

网页	http://www.davicom.com.tw

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DM562P

V.90 Integrated Data/ Fax/Voice/Speakerphone

Modem Device Single Chip with Memory Built in

General Description

The DM562P integrated modem is a two-chipset

design that provides a complete solution for

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

Switching (POTS) communication. The modem

provides for Data (up to 56,000bps), Fax (up to

33,600bps), Voice and Full Duplex Speaker-phone

functions to comply with various international

standards.

The design of the DM562P is optimized for desktop

personal computer applications, embedded

microprocessor applications and Multi-Function

Peripheral (MFP) FAX application. It provides a low

cost, highly reliable, maximum integration, with the

minimum amount of support required. The DM562P

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

or 2 wire leased lines.

The modem integrates auto dial and answer

capabilities, asynchronous data transmissions,

serial and parallel interfaces, various tone detection

schemes and data test modes.

The DM562P 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 DM562P

are:

•

DM6580 Analog Front End (AFE). 48-pin LQFP

package.

•

DM6588 ITU-T V.90 integrated Processors with

32K bytes SRAM built in 128-pin QFP package

Block Diagram

LED

TX

DSP

Ring

Detector

DM6580

Analog

Front End

SCLK

DIT

DOT

TFS

DIR

DOR

RFS

RXSCLK

CLKIN

TXDCLK

RXDCLK

DAA

RxIN

TxA1

TxA2

Line

Speaker

Driver

PCI

Bus

RX

DSP

V.24

Interface

UART

V.24

Interface

PnP

SPKR

Microphone

Driver

29.4912MHz

30.24MHz

Optional

DM6588

TXSCLK*2

ISA

Bus

Controller

Micro

Unit

32KB

SRAM

2M

Flash

Final

1

Version: DM562P-DS-F01

February 02, 2004

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List of Unclassifed Man...	DM6580E	489Kb / 48P	V.90 Integrated Data/ Fax/Voice/Speakerphone Modem Device Single Chip with Memory Built in

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