ml7037 Oki Semiconductor, ml7037 Datasheet - Page 36

• Manufacturer Part Number: ml7037
• Description: Ml7037-003 Dual Echo Canceler & Noise Canceler With Dual Codec For Hands-free
• Manufacturer: Oki Semiconductor

Not for Publication
(Conditions)
Speech signal interface on line-side
Speech signal input on acoustic side
PCM coding format
PCM frame sync timing
PCM clock mode
MCU interface
OKI Semiconductor
APPLICATION CIRCUIT (1)
analog outputsignals
analog outputsignals
analog input signals
analog input signals
analog input signals
Acoustic-side
Acoustic-side
Acoustic-side
Line-side
Line-side
Power-down
1.0μF
1.0μF
1.0μF
1.0μF
1.0μF
+3.3V
10μF 0.1μF
10μF
10μF
+3.3V
10pF
10pF
0.1μF
0.1μF
1.0MΩ
Buffer amp
10kΩ
10kΩ
10kΩ
10kΩ
10μF
1.0μF
0.1μF
: Analog
: Differential
: 16bit Linear PCM
: Long frame sync
: Internal clock mode (Clock master)
: used
10kΩ
10μF
12.288MHz
10kΩ
10kΩ
10kΩ
10kΩ
150pF
0.1μF
0.1μF
Figure 27
LGSX
LINN
LVFRO
AVFRO
AGSX1
AIN1N
AGSX0
AIN0N
AIN0P
PDN
RST
AVDD
AVREF
AGND0
AGND1
DVDD0
REGOUT0
VBG
DGND0
DVDD1
REGOUT1
DGND1
MCK/XI
XO
ML7037
GPOC[7:0]
AVREFEN
SYNCSEL
MCUSEL
PCMSEL
CLKSEL
PCMO
GPIA0
GPIA1
GPIA2
GPIA3
GPIA4
GPIA5
GPIA6
GPIA7
GPIB0
GPIB1
GPIB2
GPIB3
GPIB4
GPIB5
GPIB6
GPIB7
DOUT
SYNC
EXCK
TSTI2
TSTI1
TSTI0
BCLK
PCMI
DEN
DIN
※ NC : No Connection
8
(NC)
(NC)
(NC)
PEDL7037-003-05Zz_Digest
General-purpose
output port - C
ML7037-003
MCU interface
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