[AK4691]
PIN/FUNCTION
No. Pin Name
Power Supply
D9 AVDD
C8 VSS1
C9
VCOM
I/O
-
-
O
Function
Analog Power Supply Pin, 2.6
∼
3.6V
Ground 1 Pin
Common Voltage Output Pin, 0.5 x AVDD
Bias voltage of ADC inputs and DAC outputs.
Digital Power Supply Pin, 2.6
∼
3.6V
Ground 2 Pin
Speaker-Amp Power Supply Pin, 2.6
∼
3.6V
Ground 3 Pin
MIC Block Power Supply Pin, 2.6
∼
5.5V
MIC Power Output Pin
MIC Power Supply Ripple Filter Pin
Headphone & LINEOUT-Amp Power Supply Pin, 2.6
∼
5.5V
LINEOUT-Amp Common Voltage Output Pin, 0.5 x LVDD
Ground 4 Pin
Digital I/F(Audio Interface) Power Supply 1 Pin, 1.6
∼
3.6V
Digital I/F(Control Register Interface) Power Supply 2 Pin, 1.6
∼
3.6V
External Master Clock Input Pin
Master Clock Output Pin
Input / Output Channel Clock Pin
Audio Serial Data Clock Pin
Audio Serial Data Input Pin
Audio Serial Data Output 1 Pin
Audio Serial Data Output 2 Pin
Control Mode Select Pin
“L”: I
2
C Bus, “H”: 3-wire Serial
Chip Select Pin (I2CN pin = “H”)
Chip Address 0 Select Pin (I2CN pin = “L”)
Control Data Clock Pin (I2CN pin = “H”)
Control Data Clock Pin (I2CN pin = “L”)
Control Data Input Pin (I2CN pin = “H”)
Control Data Input/Output Pin (I2CN pin = “L”)
Internal MIC Lch Input 1 Pin
External MIC Lch Input 1 Pin
Lch Pre-Amp Negative Input 1 Pin
Internal MIC Rch Input 1 Pin
External MIC Rch Input 1 Pin
Rch Pre-Amp Negative Input 1 Pin
Internal MIC Lch Input 2 Pin
External MIC Lch Input 2 Pin
Lch Pre-Amp Negative Input 2 Pin
Internal MIC Rch Input 2 Pin
External MIC Rch Input 2 Pin
Rch Pre-Amp Negative Input 2 Pin
Lch Line Input Pin
Rch Line Input Pin
G1 DVDD
-
H1 VSS2
-
H6 SVDD
-
H7 VSS3
-
B6 MVDD
-
A5 MPWR
O
A8 MRF
O
G8 LVDD
-
G9 LVCM
O
J8 VSS4
-
C2 TVDD1
-
H2 TVDD2
-
Audio Interface
D2 MCKI
I
G2 MCKO
O
F2 LRCK
I/O
F1 BICK
I/O
D1 SDTI
I
E1 SDTO1
O
E2 SDTO2
O
Control Register Interface
C1
H3
I2CN
I
I
I
I
I
I
I/O
I
I
I
I
I
I
I
I
I
I
I
I
I
I
CSN
CAD0
CCLK
J3
SCL
CDTI
H4
SDA
MIC Block
B5 INTL1
B4 EXTL1
B8 PRELN1
A3 INTR1
B2 EXTR1
A6 PRERN1
A4 INTL2
B3 EXTL2
B7 PRELN2
A2 INTR2
B1 EXTR2
A7 PRERN2
ADC Block
D8 LIN
E9 RIN
MS0672-E-00
-5-
2007/11
AKM [ ASAHI KASEI MICROSYSTEMS ]
