BU8709KN Datasheet - ETC

BU8709KN Melody sound source LSI for cellular phone

BU8709KN is a melody sound source LSI for cellular phones. This LSI generates 64 high quality polyphonic tones through high sampling rate (fs=44.1KHz). 1 ADPCM encoder and 2 ADPCM decoders functions are embedded, providing mixing capabilities. It can customize output sounds by an equalizer function .

BU8709KN Features

* 1) Simultaneous generation of up to 64 polyphonic tones out of a tone palette of 222 sounds 2) High-quality tone reproduction using Fs=44.1kHz, QFN48U two-voice method 3) 12bit pitch bending and modulation support 4) Stereo and monaural modes 5) Built-in equalizer (3 channels) and vibration function

BU8709KN_ETC.pdf