BU9409FV Datasheet - Rohm

BU9409FV 32bit Audio DSP

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. *Featu.

BU9409FV Features

* DSP Part Data width: 32bit (Data RAM) Quickest 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）

* Input output I/F 2 stereo digital

BU9409FV-Rohm.pdf