AK4640_05 Datasheet, PDF (6/78 Pages) Asahi Kasei Microsystems – 16-Bit ΔΣ CODEC with MIC/HP/SPK-AMP

ASAHI KASEI
No. Pin Name
A1 NC
B1 EXT
C1 MPE
C2 MPI
D1 INT
D2 VCOM
E1 AVSS
E2 AVDD
F2 AVDD
F1 PVDD
G2 PVSS
G1 VCOC
H1 CAD0
J1 NC
J2 PDN
H2
CSN
CAD1
H3
CCLK
SCL
J3 ^CDTI
SDA
H4 CDTO
J4 I2C
H5 SDTI
J5 SDTO
J6 LRCK
H6 BICK
H7 NC
J7 MCKO
H8 DVDD
[AK4640]
PIN/FUNCTION (AK4640VG)
I/O
Function
-
No Connect.
No internal bonding. This pin should be left floating.
I External Microphone Input Pin
O MIC Power Supply Pin for External Microphone
O MIC Power Supply Pin for Internal Microphone
I Internal Microphone Input Pin
O
Common Voltage Output Pin, 0.45 x AVDD
Bias voltage of ADC inputs and DAC outputs.
- Analog Ground Pin
- Analog Power Supply Pin
- Analog Power Supply Pin
- PLL Power Supply Pin
- PLL Ground Pin
O
Output Pin for Loop Filter of PLL Circuit
This pin should be connected to PVSS with one resistor and capacitor in series.
I Chip Address 0 Select Pin
-
No Connect.
No internal bonding. This pin should be left floating.
I
Power-Down Mode Pin
“H”: Power up, “L”: Power down reset and initializes the control register.
I Chip Select Pin (I2C pin = “L”)
I Chip Address 1 Select Pin (I2C pin = “H”)
I Control Data Clock Pin (I2C pin = “L”)
I Control Data Clock Pin (I2C pin = “H”)
I Control Data Input Pin (I2C pin = “L”)
I/O Control Data Input Pin (I2C pin = “H”)
O Control Data Output Pin (I2C pin = “L”)
I
Control Mode Select Pin
“H”: I²C Bus, “L”: 4-wire Serial
I Audio Serial Data Input Pin
O Audio Serial Data Output Pin
I/O Input / Output Channel Clock Pin
I/O Audio Serial Data Clock Pin
-
No Connect.
No internal bonding. This pin should be left floating.
O Master Clock Output Pin
- Digital Power Supply Pin
MS0273-E-02
-6-
2005/04