ml7074-003 Oki Semiconductor, ml7074-003 Datasheet - Page 51

• Manufacturer Part Number: ml7074-003
• Description: Dual Echo Canceler & Noise Canceler With Dual Codec For Hands-free Msm7731-02dual Echo Canceler & Noise Canceler With Dual Codec For Hands-free
• Manufacturer: Oki Semiconductor

APPLICATION CIRCUIT (2)
OKI Semiconductor
RESET
Controller
DOUT
SYNC
BCLK
DIN
In case of line digital interface and MCU control
0.1 µF
0.1 µF
3 V(D)
3 V(D)
0.1 µF
+
3 V(A)
10 µF
+
10 µF
10 µF
+
LVFRO
LPWI
LOUT
LGSX
LIN
SYNC
BCLK
PCMI
PCMO
PCMEI
PCMEO
DEN
EXCK
DIN
DOUT
PDN/RST
RST
CLKSEL
SYNCSEL
TEST1
TEST2
TEST3
TEST4
TEST9
DVDD1
DVDD2
DGND1
DGND2
AVDD
AGND
SG
10 pF
MCK/X1 X2
MSM7731-02
19.2 MHz
1 MΩ
GLPADTHR
PCMSEL
MCUSEL
NCPAD1
NCPAD2
SLPTHR
10 pF
NCSEL1
NCSEL2
LINEEN
AVFRO
ECSEL
RPAD1
RPAD2
RPAD3
RPAD4
TPAD1
TPAD2
TPAD3
TPAD4
AOUT
AGSX
ATHR
LTHR
APWI
AATT
LATT
AGC
AHD
LGC
LHD
AIN
20 kΩ
20 kΩ
20 kΩ
1 kΩ
1 µF
FEDL7731-02-11
MSM7731-02
Speaker
amplifier
MIC
51/54
SP