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BU9408KS2 - 32bit Audio DSP

Description

This LSI is the digital sound processor which made the use digital signal processing for FPD TVs.

DSP of ROHM original is used for the TV sound processor unit, and it excels in cost performance.

A selection input of two lines is possible from four digital inputs.

Features

  • Digital Signal Processor unit Word length: 32bit (Data RAM) The fastest machine cycle: 40.7ns (512fs, fs = 48kHz) Multiplier: 32 x 24 → 56bit Adder: 32 + 32 → 32bit Data RAM: 256 x 32bit Coefficient RAM: 128 x 24bit Sampling frequency: fs = 48kHz Master clock : 512fs（24.576MHz,fs=48kHz）.
  • Digital signal input (Stereo4lines): 16/20/24bit (I2S, Left-Justified, Right-Justified) Digital signal output (Stereo 3 lines):.

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Datasheet Details

Part number BU9408KS2
Manufacturer ROHM
File Size 1.02 MB
Description 32bit Audio DSP
Datasheet download datasheet BU9408KS2 Datasheet

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Full PDF Text Transcription

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Digital Sound Processors for FPD TVs 32bit Audio DSP with Built-in 4ch DAC and ASRC BU9408KS2 No.12083EAT02 ●General Description This LSI is the digital sound processor which made the use digital signal processing for FPD TVs. DSP of ROHM original is used for the TV sound processor unit, and it excels in cost performance. A selection input of two lines is possible from four digital inputs. An asynchronous sampling rate converter(ASRC) is built in one line. Three digital outputs are built in. Two audio DA converters are built in. ●Features ■Digital Signal Processor unit Word length: 32bit (Data RAM) The fastest machine cycle: 40.
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