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CL-MD5650D-SC-A

更新时间： 2024-09-18 08:03:59

品牌	Logo	应用领域
凌云 - CIRRUS		/
页数	文件大小	规格书
6页	160K
描述
Digital Signal Processor, CMOS, PQFP128, SQFP-128

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中文翻译

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数据手册

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CL-MD5650D-SC-A 数据手册

CL-MD56XX

Preliminary Product Bulletin

FEATURES

V.34 FastPathä 56K

■ Complete PC telephony solution

Ñ Controller-based, robust platform

Data/Fax/Voice

Chipset Family

Ñ Exceeds Microsoft PC 95 requirements

Ñ Full-duplex, echo-cancelled digital speakerphone

Ñ ITU (International Communications Union) V.80

videoconferencing

Ñ ITU-V.70 DSVD (digital simultaneous voice and data)

upgrade option

Ñ International telephony support

OVERVIEW

The CL-MD56XX chipset family is

a software-

■ Data modulation

upgradable 56K solution with a complete set of industry-

standard voice, data, and fax features. The

Ñ US Robotics ´2ä Technology

Ñ ITU-V.34 (33,600 to 2400 bps) symmetric and

asymmetric operation

US Robotics ´2ä Technology provides effective data

receive rates of up to 53.33 kbps and ensures

interoperability with major Internet service providers

around the world. Chipset features include

simultaneous voice and data operation, ITU-V.80

videoconferencing, and full-duplex speakerphone.

Ñ ITU-V.32 bis, V.23, V.22 bis, V.21

Ñ Bell 212A and 103

■ Fax modulation

Ñ ITU-T V.17, V.29 to 14,400 bps

■ Voice coder

Integrated, Open Architecture

Ñ Voice compression: ADPCM, linear, and CL1

Ñ 4800, 7200, 8000, 9600, and 11025 samples per

second

The CL-MD56XX is based on the FastPath platform,

which comprises an open-architecture ARM (Advanced

RISC Machines) controller and a proprietary high-MIPS

DSP (digital signal processor). Each component is high-

ly integrated using Cirrus LogicÕs state-of-the-art pro-

cess technology.The result is a platform with low power

requirements and high performance.The FastPath plat-

■ Data link layer protocols

Ñ Error correction: ITU-V.42 and MNP 2Ð4

Ñ Data compression: ITU-V.42 bis and MNP 5

■ DTE integrated interface alternatives

Ñ Serial RS-232/V.24 interface

(cont. next page)

System

Block Diagram

FLASH ROM / EPROM / RAM

CL-MD56XX

SRAM

HOST

COMPUTER

BUS

SAFE

TIP

RING

CL-MD1724

DAA

CL-MD44XXC

CL-MD1724T

DSP

CL-MD56XXD

MICROPHONE / SPEAKER

CL-MD56XXDT

SAFE

CL-MD1724 or

CL-MD1724T

(OPTIONAL)

NVRAM

RAM

June 1997

12 3 4 5 6

中文翻译

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