Datasheet > VS1001

VS1001

更新时间： 2024-11-20 22:15:23

品牌	Logo	应用领域
其他 - ETC		解码器编解码器
页数	文件大小	规格书
39页	415K
描述
MPEG AUDIO CODEC

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中文翻译

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数据手册

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VS1001 数据手册

VS1001K

DATASHEET

VS1001k - MPEG AUDIO CODEC

Features

Description

• MPEG audio layer 3 decoder (ISO11172-3)

• Supports MPEG 1 & 2, and 2.5 extensions,

VS1001k is a single-chip solution for an MPEG

layer 3 audio decoder. The chip contains a high-

performance low-power DSP processor (VS DSP),

working memory, 4 KiB program RAM and 0.5

KiB data RAM for user applications, serial con-

trol and input data interfaces, and a high-quality

oversampling variable-sample-rate stereo DAC, fol-

lowed by an earphone ampliﬁer and a ground buffer.

all their sample rates and bit rates, in mono

and stereo

• Supports PCM input

• Supports VBR (variable bitrate)

• Can be used as a slave co-processor

• Operates with single clock 12..13 MHz or

24..26 MHz

• Extremely low-power operation

• On-chip high-quality stereo DAC with no

VS1001k receives its input bitstream through a

serial input bus, which it listens to as a system

slave. The input stream is decoded and passed

through a analog/digital hybrid volume control to

an 18-bit oversampling multi-bit sigma-delta DAC.

The decoding is controlled via a serial control bus.

In addition to the basic decoding, it is possible to

add application speciﬁc features, like DSP effects,

to the user RAM memory.

phase error between channels

• Internal Op-Amp in BGA-49 and LQFP-48

packages

• Stereo earphone driver capable of driving a

30 load.

• Separate 2.5 .. 3.6V operating voltages for

analog and digital

• 4 KiB On-chip RAM for user code

• Serial control and data interfaces

• New functions may be added with software

VS1001

audio

stereo ear−

phone driver

stereo

DAC

output

DREQ

serial

DCLK

data

SDATA

BSYNC

x−ROM

x−RAM

y−RAM

y−ROM

SDI

Bus

interface

X Bus

VS_DSP

SCI

Bus

serial

control

interface

SCLK

XCS

Y Bus

I Bus

program

RAM

program

ROM

Version 4.11, 2003-09-18

12 3 4 5 6 7...39

中文翻译

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