[AK4671]
PIN/FUNCTION
No. Pin Name
A1 MDT
B1 MPWR
C1 SAIN3
C2 SAIN2
D1 SAIN1
D2 SAVDD
E1 VSS3
E2 TVDD3
F2 SDTOB
F1 SYNCB
G2 BICKB
G1 SDTIB
H1 SDTI
J1 GPO1
J2
H2
H3
J3
H4
J4
H5
J5
J6
H6
H7
J7
H8
J9
CDTO
SDTO
PDN
LRCK
MCKI
MCKO
I2C
BICK
CSN
CAD0
CCLK
SCL
VSS4
DVDD
CDTI
SDA
GPO2
I/O
I
O
I
I
I
-
-
-
O
I/O
I/O
I
I
O
O
O
I
I/O
I
O
I
I/O
I
I
I
I
-
-
I
I/O
O
Function
MIC Detection Pin (Internal pull down by 500kΩ)
MIC Power Supply Pin
10bit SAR ADC Analog Input 3 Pin
10bit SAR ADC Analog Input 2 Pin
10bit SAR ADC Analog Input 1 Pin
10bit SAR ADC Power Supply Pin, 2.2
∼
3.6V
Ground 3 Pin
Digital I/O Power Supply 3 Pin, 1.6
∼
3.6V
Serial Data Output B Pin
Sync Signal B Pin
Serial Data Clock B Pin
Serial Data Input B Pin
Audio Serial Data Input Pin
General Purpose Output 1 Pin
Control Data Output Pin (I2C pin = “L”: 4-wire Serial Mode)
Hi-Z (I2C pin = “H”: I
2
C Bus Mode)
Audio Serial Data Output Pin
Power-Down Mode Pin
“H”: Power-up, “L”: Power-down, reset and initializes the control register.
“L” time of 150ns or more after power-up is needed to reset the AK4671.
Input / Output Channel Clock Pin
External Master Clock Input Pin
Master Clock Output Pin
Control Mode Select Pin
“H”: I
2
C Bus, “L”: 4-wire Serial
Audio Serial Data Clock Pin
Chip Select Pin (I2C pin = “L”: 4-wire Serial Mode)
Chip Address 0 Select Pin (I2C pin = “H”: I
2
C Bus Mode)
Control Data Clock Pin (I2C pin = “L”: 4-wire Serial Mode)
Control Data Clock Pin (I2C pin = “H”: I
2
C Bus Mode)
Ground 4 Pin
Digital Power Supply Pin, 1.6
∼
3.6V
Control Data Input Pin (I2C pin = “L”: 4-wire Serial Mode)
Control Data Input Pin (I2C pin = “H”: I
2
C Bus Mode)
General Purpose Output 2 Pin
MS0666-E-02
-4-
2010/06
AKM [ ASAHI KASEI MICROSYSTEMS ]
