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BU8788KN Datasheet

  • BU8788KN

  • Melody Sound Source LSI for Cellular Phone

  • 3頁

  • ROHM

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03W023A
Melody Sound Source LSI for Cellular Phone
BU8788KN
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.
Dimension (Unit : mm)
1.1鹵0.15
+0.15
0.6
鈭?.3
6.2鹵0.1
6.0鹵0.1
3-
35
0.
28
鈭?/div>
50
0.
6.2鹵0.1
6.0鹵0.1
27
19
18
鹵
0
鹵
0
.1
0.
20
0.2鹵0.05
12鈭?/div>
12鈭?/div>
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
QFN36V
Applications
Sound source for cellular phones and portable appliances
Absolute Maximum Ratings (Ta=25藲C)
Parameter
Supply voltage range
Power dissipation
Operating temperature range
Storage temperature range
Symbol
V
DD
Pd
Topr
Tstg
鈥?0
鈥?0
鈥?.3
Limits
450
鈭?/div>
Unit
V
mW
~ +
4.5
~ +
85
~ +
125
藲C
藲C
鈭?/div>
Derating : 4.5mW/藲C for operation above Ta=25藲C
February, 2003
0.01
鈭?.007
0.6鹵0.1
0.8鹵0.15
+0.03
.2
+
0 0.4
5
.2
36
1
9
10
0.5
0.20鹵0.05
0.05
M
0.05

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