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MFG:ROHM  Package Cooled:QFN36  

BU8788KN Product Image

BU8 Series Datasheet download

Five Points

Part Number: BU8788KN

 

MFG: ROHM

Package Cooled: QFN36

 

Description: BU8788KN is a melody sound source LSI for cellular phones. This LSI generates 32 polyphonic tones simultaneously and is...


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BU8788KN General Description


BU8788KN is a melody sound source LSI for cellular phones. This LSI 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 itself can control the timing and play the music by sending the melody data to FIFO.

BU8788KN Maximum Ratings

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

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

BU8788KN Typical Application

Sound source for cellular phones and portable appliances

BU8788KN datasheet

BU8788KN
PDF/DataSheet Download

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