Part BD9406KS2
Description 28bit Audio DSP
Manufacturer ROHM
Size 780.74 KB
ROHM
BD9406KS2

Overview

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.

  • Digital Signal Processor unit Word length: 28bit (Data RAM) The fastest machine Cycle: 40.7ns (512fs, fs=48kHz) Multiplier: 28x24 → 52 bit Adder: 28+28 → 28bit Data RAM: 256x28bit Coefficient RAM: 128x24bit Sampling Frequency: fs=48kHz Master Clock: 512fs (24.576Mhz, fs=48kHz)
  • Digital Signal Input (Stereo 4 lines): 16/20/24bit (I2S, Left-Justified, Right-Justified) Digital Signal Output (Stereo 4 lines): 16/20/24