[AK4634]
PIN/FUNCTION
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
Pin Name
NC
TST3
AVDD
VSS1
TST2
TST1
NC
CSN
SDA
PDN
CDTIO
CCLK
SCL
FCK
MCKI
BICK
SDTI
SDTO
I2C
MCKO
DVDD
VSS2
NC
SPN
VSS3
NC
SPP
SVDD
AOUT
LIN
MICN
MIC
MICP
MPI
VCOM
VCOC
I/O
-
-
-
-
-
-
-
I
I/O
I
I/O
I
I
I/O
I
I/O
I
O
I
O
-
-
-
O
-
-
O
-
O
I
I
I
I
I
O
O
Function
No Connection. No internal bonding. This pin should be connected to the ground.
TEST3 pin
This pin should be open.
Analog Power Supply Pin 2.2 ~ 3.6V
Ground Pin.
TEST2 pin
This pin should be open.
TEST1 pin
This pin should be open.
No Connection. No internal bonding. This pin should be connected to the ground.
Chip Select Pin (I2C pin = “L”)
Control Data Input/Output Pin (I2C pin = “H”)
Power-Down Mode Pin
“H”: Power up, “L”: Power down reset and initialize the control register.
AK4634 should always be reset upon power-up.
Control Data Input/Output Pin (I2C pin = “L”)
This pin should be connected to the ground. (I2C pin = “H”)
Control Data Clock Pin (I2C pin = “L”)
Control Data Clock Pin (I2C pin = “H”)
Frame Clock Pin
External Master Clock Input Pin
Audio Serial Data Clock Pin
Audio Serial Data Input Pin
Audio Serial Data Output Pin
Control Mode Select Pin “H”: I
2
C Bus, “L”: 3-wire Serial
Master Clock Output Pin
Digital Power Supply Pin 1.6 ~ 3.6V
Ground Pin.
No Connection. No internal bonding. This pin should be connected to the ground.
Speaker Amp Negative Output Pin
Ground Pin.
No Connection. No internal bonding. This pin should be connected to the ground.
Speaker Amp Negative Output Pin
Speaker Amp Power Supply Pin 2.2 ~4.0V
Mono Line Output Pin
Line Input Pin for Single Ended Input
Microphone Input Pin for Single Ended Input
Microphone Positive Input Pin for Differential Input
MIC Power Supply Pin for Microphone
Common Voltage Output Pin, 0.45 x AVDD
(MDIF bit = “0”)
(MDIF bit = “1”)
(MDIF bit = “0”)
(MDIF bit = “1”)
Microphone Negative Input Pin for Differential Input
Bias voltage of ADC inputs and DAC outputs.
Output Pin for Loop Filter of PLL Circuit
This pin should be connected to VSS1 with one resistor and capacitor in series.
Note : All input pins except analog input pins (MIC/MICP, LIN/MICN pins) must not be left floating
Rev. 0.5
-5-
2007/10
AKM [ ASAHI KASEI MICROSYSTEMS ]
