Datasheet > DM560P

DM560P

更新时间： 2024-11-14 22:50:43

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	243K
描述
V.90 Integrated Data/Fax/Voice/Speakerphone Modem Device Set

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DM560P 数据手册

DM560P

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

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.

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 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:

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.

•

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

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.

Block Diagram

Ring

Detector

LED

40.32MHz

Address &

Data Bus

S C L K

DM658

TX DSP

DM658

DIT

RxIN

TxA1

TxA2

D O T

TFS

DIR

M S C L K

Micro

Lin

DAA

Controller

Unit

D O R

RF S

Analog

29.4912

M H z

Front End

TxBCLK

TxSCLK*2

RxBCLK

RxSCLK

20.16MHz

TxDCLK

DM658

ISA Bus

PnP

Speaker

Driver

S P K R

RX DSP

V.24

Interface

TxD

RxD

Microphone

Driver

RxDCLK

V.24

Interface

Preliminary

Version: DM560P-DS-P07

August 11, 2000

12 3 4 5 6 7...43

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