BU8709KN Datasheet, PDF (2/2 Pages) List of Unclassifed Manufacturers – Melody sound source LSI for cellular phone

Recommended Operating Conditions (Ta=25˚C)
Parameter
Symbol Min.
Typ.
I/O power supply voltage
VDDIO 2.7
3.0
CORE power supply voltage VDDCO 2.25
2.5
Ambient temperature
Ta
–30
25
MCLK input frequency
FMCLK 2.688
—
Max.
3.3
2.75
85
20
Unit
V
V
˚C
MHz
Conditions
DVDD_IO, AVDD
DVDD_CORE
SCLK input frequency
FSCLK
—
MCLK duty
DMCLK 40
Analog pin's load resistance ZAN
10
—
20
MHz Scale precision is approximately 0.2%.
50
60
%
—
—
kΩ After DC Coupling
Electrical characteristics (Unless otherwise noted, Ta=25˚C)
Parameter
Symbol Min.
Typ.
Max. Unit
Conditions
<Digital DC characteristics>
High-level input voltage
VIH
DVDD_IO-0.5
—
—
V
Low-level input voltage
VIL
—
—
DVSS+0.5
V
High-level input current
IIH
—
—
1
µA VIH=VDDIO
Low-level input current
IIL
–1
—
—
µA VIL=DVSS
High-level output voltage
VOH DVDD_IO-0.3
—
—
V
IOH=–0.8mA
Low-level output voltage
VOL
—
<Analog DC characteristics>
—
DVSS+0.3
V
IOH=0.8mA
VREF pin voltage
VAGND 0.475AVDD 0.5AVDD 0.525AVDD
V
IOUT=0A (no load)
Analog pin voltage
<General characteristics>
VOUT 0.47AVDD 0.5AVDD 0.53AVDD
V
IOUT=0A (no load) Not playing
VREF pin rise time
TRVR
—
15
25
mS When CVREF=1µF, NRST=L→H
<Analog pin characteristics>
Analog amplitude
VMAX
—
1.8
—
Vp-p Theoretical value for dynamic range
Power consumption DVDD_CORE=2.5V, DVDD_IO=3.0V, AVDD=3.0V, internal operation frequency SYS_CLK=50MHz
Analog Idd 1
AIDD1
—
1.5
2.5
mA Playing
Digital Idd 10
DIDD10
—
28
35
mA Not playing MIDI CLK control="101"
Digital Idd 11 (DVDD_CORE) DIDD11
—
56
65
mA Playing 64POLY
Digital Idd 12 (DVDD_IO)
DIDD12
—
0.4
1
mA Playing
Analog Idd 2
AIDD2
—
—
1
µA Standby mode
Digital Idd 20 (DVDD_CORE) DIDD20
—
—
10
µA Standby mode
Digital Idd 21 (DVDD_IO)
DIDD21
—
—
5
µA Standby mode
Block Diagram
D7~D0
IFSEL
SO(/WR)
SIO(/AO)
SCLK(/RD)
SEL(/CS)
INT
NRST
CPU I/F
EIEN
EIDT
EICK
Sequencer Core
LED
3ch/VIB
MIDI FIFO
DLS
Parameter
Sequencer
CPU
Each ch Status
Voice Parameter
Work RAM
Program
ROM
Wave Table
ROM
ADPCM Core
Master ch
Encoder
FIFO
Slave ch
FIFO
E
D
D _ADPCM
Encoder
D&
Decoder
DSP
Digital
filter
E
MIDI Core
Program
ROM
Parametric
Equalizer
parameter
MIDI
DSP
L/R
Output
FIFO
Work RAM
Hard Logic
for MIDI
UCS
RAM
Wave
ROM
Clock control
44.1kHz/24kHz
Timing Generator
LED, VIB
Control
LED1~3
VIB
Graphic
Equalizer
Mixing
&
Over
Sampling
Digital
Output
Format
Standard/IIS
D/A
Converter
To CPU I/F
Block
DIGLR
DIGDT
DIGCK
VREF
L_OUT
R_OUT
MONO_OUT
TESTMODE 0~2
test
TESTBUS 0~5
PLL
PLL_FILTER
MCLK