BU9414FV数据手册集成电路（IC）的DSP（数字信号处理器）规格书PDF

描述 Description

适用于超薄电视的音频信号处理用途的数字音频声音处理器。数字信号处理器部分采用罗姆原创的电视用音频信号处理专用DSP，性价比优异。数字输入为双系统。内置双系统数字输出。

特性 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 (It is a slave to 256fs of fs = 48kHz, 44.1 kHz, and 32 kHz)
・ Digital signal input (Stereo 2 lines): 16/20/24bit(I2S, Left-Justified, Right-Justified) Digital signal output (Stereo 2 lines): 16/20/24bit(I2S, Left-Justified, Right-Justified, S/PDIF)
・ The sound signal processing function for FPD TVs Pre-Scaler, DC cut HPF, Channel Mixer, P2Volume(Perfect Pure Volume), BASS, MIDDLE, TREBLE, Pseudo BASS, Surround, P2Bass, P2Treble, 7Band Parametric EQ, Master Volume, L/R balance, Post-Scaler, Output signal clipper (P2Volume, P2Bass, and P2Treble are the sound effect functions of ROHM original.)

应用 Application

·TV