BU8788KN

Features:

1) PCM sound source
2) 32 harmonies generator available at the same time 128 sounds+drum set 47 sounds generation
3) ADPCM decode functions are mounted, and mixing with sounds is possible.
4) FIFO buffer and sequencer are used to reduce CPU load
5) PitchBend and vibrato available
6) Integrated stereo sound DAC
7) CPU control through serial and parallel I/F


Application

Sound source for cellular phones and portable appliances


Specifications

Parameter	Symbol	Limits	Unit
Supply voltage range	VDD	0.3 ~ +4.5	V
Power dissipation	Pd	450*	mW
Operating temperature range	Topr	-40~+85	°C
Storage temperature range	Tstg	-50~+125	°C

*Derating : 4.5mW/°C for operation above Ta=25°C


Description

BU8788KN is a melody sound source LSI for cellular phones. This LSI BU8788KN generates 32 polyphonic tones simultaneously and is capable of generating user's own sounds by an ADPCM decoder. A total of 207 tones(128tones+47drums +32effect sounds) can be generated. FIFO and Sequencer for playing are incorporated. The sequencer BU8788KN can control the timing and play the music by sending the melody data to FIFO.