Datasheet > DM6580L

DM6580L

更新时间： 2024-11-15 21:54:51

品牌	Logo	应用领域
其他 - ETC		调制解调器
页数	文件大小	规格书
43页	292K
描述
V.90 Intergrated Data/Fax/Voice/Speakephone Modem Device Single Chip with Memory Built in

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DM6580L 数据手册

DM562P

V.90 Integrated Data/ Fax/Voice/Speakerphone

Modem Device Single Chip with Memory Built in

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.

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

14,400bps), Voice and Full Duplex Speaker-phone

functions to comply with various international

standards.

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). 28-pin PLCC

package

DM6588 ITU-T V.90 integrated Processors with

32K bytes SRAM built in 128-pin QFP package

The design of the DM562P 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 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.

Block Diagram

Ring

Detector

LED

30.24MHz

Optional

SCLK

DIT

29.4912MHz

DM6580

RxIN

DOT

TFS

DIR

TX DSP

RX DSP

Micro

Controller

Unit

TxA1

DAA

Line

DOR

RFS

TxA2

Analog

DM6588

Front End

PCI

Bus

PnP

Speaker

Driver

SPKR

TXSCLK*2

RXSCLK

CLKIN

V.24

Interface

TXDCLK

Microphone

Driver

RXDCLK

V.24

Interface

Preliminary

Version: DM562P-DS-P02

February 28, 2001

12 3 4 5 6 7...43

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