Datasheet > BU9409FV-E2

BU9409FV-E2

更新时间： 2024-11-17 01:12:47

品牌	Logo	应用领域
罗姆 - ROHM		/
页数	文件大小	规格书
58页	1180K
描述
32bit Audio DSP

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中文翻译

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数据手册

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BU9409FV-E2 数据手册

Digital Sound Processors for FPD TVs

32bit Audio DSP

No.12083EAT03

BU9409FV

●General Description

It is a digital audio sound processor used for thin TV. Digital signal processor is Rohm original DSP only for TV

sound signal processing, and it’s cost performance is excellent. Digital inputs are two lines. Output is digital output

corresponding to 2.1ch or play of sub-voice L/R signal.

●Features

■DSP Part

Data width:

Quickest machine cycle:40.7ns (512fs,fs=48kHz)

32bit (Data RAM)

Multiplier:

Adder:

Data RAM:

Coefficient RAM:

32 x 24 → 56bit

32 + 32 → 32bit

256 x 32bit

128 x 24bit

Sampling frequency: fs=48kHz

Master clock: 512fs

（24.576MHz,fs=48kHz）

■Input output I/F

2 stereo digital signal input port : 16/20/24bit (I2S,left-align,right-align)

2 stereo digital signal output port : 16/20/24bit (I2S,left-align,right-align), S/PDIF output

■Sound signal processing function for TV

Prescaler, DC cut HPF, channel mixer, P²Volume(Perfect Pure Volume),BASS,MIDDLE,

TREBLE, pseudo stereo, surround, P²Bass, P²Treble, 7 band parametric equalizer,

master volume, L/R balance, postscaler, output clipper, subwoofer output processing

（P²Volume，P²Bass，P²Treble are Rohm original sound effect functions.）

●Applications

Flat Panel TVs (LCD, Plasma)

www.rohm.com

2012.03 - Rev.A

1/54

12 3 4 5 6 7...58

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