AK4640_05 Datasheet, PDF (8/78 Pages) Asahi Kasei Microsystems – 16-Bit ΔΣ CODEC with MIC/HP/SPK-AMP

ASAHI KASEI
No. Pin Name
1 MICOUT
2 NC
3 EXT
4 MPE
5 MPI
6 INT
7 VCOM
8 AVSS
9 AVDD
10 PVDD
11 PVSS
12 VCOC
13 NC
14 CAD0
15 PDN
16
CSN
CAD1
17
CCLK
SCL
18
CDTI
SDA
19 CDTO
20 I2C
21 SDTI
22 SDTO
23 LRCK
24 BICK
25 MCKO
26 NC
[AK4640]
PIN/FUNCTION (AK4640VN)
I/O
Function
O Microphone Analog Output Pin
-
No Connect.
No internal bonding. This pin should be left floating.
I External Microphone Input Pin (Mono Input)
O MIC Power Supply Pin for External Microphone
O MIC Power Supply Pin for Internal Microphone
I Internal Microphone Input Pin (Mono Input)
O
Common Voltage Output Pin, 0.45 x AVDD
Bias voltage of ADC inputs and DAC outputs.
- Analog Ground 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.
-
No Connect.
No internal bonding. This pin should be left floating.
I Chip Address 0 Select Pin
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
O Master Clock Output Pin
-
No Connect.
No internal bonding. This pin should be left floating.
MS0273-E-02
-8-
2005/04