[AK4627]
PIN/FUNCTION
No.
1
2
3
4
5
6
7
8
9
Pin Name
CAD0
CAD1
PS
SDTO1
SDTO2
TVDD
DVDD
VSS1
TDM0
SDA/CDTI
DIF1
SCL/CCLK
DIF0
CSN
PDN
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
MCLK
BICK
LRCK
SDTI1
SDTI2
SDTI3
TST3
DFS0
I2C
TST6
TST2
TST4
TST5
LOUT3
ROUT3
LOUT2
ROUT2
LOUT1
ROUT1
O
O
O
O
O
O
I
I
I
I
I
I
I
I
I
I
I/O
I
I
I
O
O
-
-
-
I
I/O
I
I
I
I
I
Function
Chip Address 0 Pin
Chip Address 1 Pin
Parallel/Serial Select Pin
“L”: Serial control mode, “H”: Parallel control mode
ADC1 Audio Serial Data Output Pin
ADC2 Audio Serial Data Output Pin
Output Buffer Power Supply Pin, 2.7V∼5.5V
Digital Power Supply Pin, 4.5V∼5.5V
Digital Ground Pin, 0V
TDM I/F Format Mode Pin in parallel control mode
“L”: Normal mode, “H”: TDM mode
Control Data Input Pin in serial control mode
I2C pin= “L”: CDTI (3-wire Serial), I2C pin= “H”: SDA (I
2
C Bus)
Audio Data Interface Format 1 Pin in parallel control mode
Control Data Clock Pin in serial control mode
I2C pin= “L”: CCLK (3-wire Serial), I2C pin= “H”: SCL (I
2
C Bus)
Audio Data Interface Format 0 Pin in parallel control mode
Chip Select Pin in 3-wire serial control mode
This pin should be connected to DVDD at I
2
C bus control mode
Power-Down & Reset Pin
When “L”, the AK4627 is powered-down and the control registers are reset to default
state. If the state of PS pin or CAD1-0 pins change, then the AK4627 must be reset by
the PDN pin.
Master Clock Input Pin
Audio Serial Data Clock Pin
Input Channel Clock Pin
DAC1 Audio Serial Data Input Pin
DAC2 Audio Serial Data Input Pin
DAC3 Audio Serial Data Input Pin
Test Pin
This pin should be connected to VSS1
Double Speed Sampling Mode Pin (Note
1)
“L”: Normal Speed, “H”: Double Speed
Control Mode Select Pin (PS pin = “L”)
“L”: 3-wire Serial, “H”: I
2
C Bus
Test Pin (PS pin = “H”)
This pin should be connected to VSS1
Test Pin
This pin should be connected to VSS1.
Test Pin
This pin should be open.
Test Pin
This pin should be open.
DAC3 Lch Analog Output Pin
DAC3 Rch Analog Output Pin
DAC2 Lch Analog Output Pin
DAC2 Rch Analog Output Pin
DAC1 Lch Analog Output Pin
DAC1 Rch Analog Output Pin
10
11
MS1278-E-02
-4-
2012/03
AKM [ ASAHI KASEI MICROSYSTEMS ]
