Datasheet > CS4927

CS4927

更新时间： 2024-09-28 22:40:19

品牌	Logo	应用领域
凌云 - CIRRUS		解码器
页数	文件大小	规格书
56页	648K
描述
Multi-Channel Digital Audio Decoders

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CS4927 数据手册

CS4923/4/5/6/7/8/9

Multi-Channel Digital Audio Decoders

l CS4923/4/5/6/7/8 features

Description

— Optional Virtual 3D Output

The CS4923/4/5/6/7/8 is a family of multi-channel digital

audio decoders, with the exception of the CS4929 as the

only stereo digital audio decoder. The CS4923/4/5/6 are

designed for Dolby Digital and MPEG-2 Stereo decoding. In

addition the CS4925 adds MPEG-2 multi-channel decoding

capability and the CS4926 provides DTS decoding. The

CS4927 is an MPEG-2 multi-channel decoder and the

CS4928 is a DTS multi-channel decoder. The CS4929 is an

AAC 2-channel and MPEG-2 stereo decoder. Each one of

the CS4923/4/5/6/7/8/9 provides a complete and flexible

solution for multi-channel (or stereo in the case of the

CS4929) audio decoding in home A/V receiver/amplifiers,

DVD movie players, out-board decoders, laser-disc players,

HDTV sets, head-end decoders, set-top boxes, and similar

products.

— Simulated Surround and Programmable Effects

— Real Time Autodetection of Dolby Digital ,

DTS , MPEG Multi-Channel and PCM

— Flexible 6-channel master or slave output

l CS4923/4/5/6/7/8/9 features

— IEC60958/61937 transmitter for compressed-

data or linear-PCM output

— Dedicated 8 kilobyte input buffer

— DAC clock via analog phase-locked loop

— Dedicated byte wide or serial host interface

— Multiple compressed data input modes

— PES layer decode for A/V synchronization

— 96-kHz-capable PCM I/O, master or slave

— Optional external memory and auto-boot

— +3.3-V CMOS low-power, 44-pin package

l CS4923/4/5/6 features

Cirrus Logic’s Crystal Audio Division provides a complete set

of audio decoder and auxiliary audio DSP application

programs for various applications. For all complementary

analog and digital audio I/O, Crystal Audio also provides a

complete set of high-quality audio peripherals including:

multimedia CODECs, stereo A/D and D/A converters and

IEC60958 interfaces. Of special note, the CS4226 is a

complementary CODEC providing a digital receiver, stereo

A/D converters, and six 20-bit DACs in one package.

— Capable of Dolby Digital Group A Performance

— Dolby bass manager and crossover filters

— Dolby Surround Pro Logic Decoding

l CS4925/7: MPEG-2 Multi-Channel Decoder

l CS4926/8: DTS Multi-Channel Decoder

ORDERING INFORMATION

CS4923xx-CL 44-pin PLCC (xx = ROM revision)

l CS4929: AAC 2-Channel (Low Complexity)

and MPEG-2 Stereo Decoder

CRD4923

CDB4923

Reference design with CS4226

Evaluation board

EMOE

EMWR

SCDIO,

SCDOUT,

PSEL, A0,

DATA7:0,

EMAD7:0,

A1,

ABOOT

EXTMEM

RESET

GPIO7:0 CS GPIO11 GPIO10 GPIO9 SCCLK SCDIN INTREQ

GPIO8

CMPDAT,

SDATAN2

Parallel or Serial Host Interface

Framer

Compressed

Data Input

Interface

CMPCLK,

SCLKN2

24-Bit

Shifter

MCLK

SCLK

LRCLK

CMPREQ,

LRCLKN2

DSP Processing

Input

Buffer

Controller

RAM

SCLKN1,

STCCLK2

Program Data

Memory Memory

Output

Formatter

Digital

Audio

Input

RAM

Output

Buffer

LRCLKN1

SDATAN1

ROM

Program

Memory

AUDATA[2.0]

ROM

Data

Memory

RAM Input

Buffer

Interface

CLKIN

XMT958

PLL

Clock Manager

STC

CLKSEL

FILT2 FILT1 VA AGND

DGND[3:1] VD[3:1]

This document contains information for a new product.

Cirrus Logic reserves the right to modify this product without notice.

Preliminary Product Information

AUG ‘99

P.O. Box 17847, Austin, Texas 78760

(512) 445 7222 FAX: (512) 445 7581

http://www.cirrus.com

DS262F2

12 3 4 5 6 7...56

中文翻译

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与CS4927相关器件

型号	品牌	获取价格	描述	数据表
CS492705-CL	CIRRUS	获取价格	Multi-Channel Digital Audio Decoders
CS4927-CL	CIRRUS	获取价格	Multi-Channel Digital Audio Decoders
CS4928	CIRRUS	获取价格	Multi-Channel Digital Audio Decoders
CS492804-CL	CIRRUS	获取价格	Multi-Channel Digital Audio Decoders
CS4928-CL	CIRRUS	获取价格	Multi-Channel Digital Audio Decoders
CS4928XX-CL	CIRRUS	获取价格	Consumer Circuit, CMOS, PQCC44
CS4929	CIRRUS	获取价格	Multi-Channel Digital Audio Decoders
CS492906-CL	CIRRUS	获取价格	Multi-Channel Digital Audio Decoders
CS4929-CL	CIRRUS	获取价格	Multi-Channel Digital Audio Decoders
CS4929XX-CL	CIRRUS	获取价格	Consumer Circuit, CMOS, PQCC44

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