[AK4649]
PIN/FUNCTION
No.
A1
A2
B1
B2
E3
D3
C3
C4
A4
B4
B6
B5
C5
C6
D5
B3
D6
A5
A6
D4
E5
E6
E4
E2
D1
C1
D2
E1
C2
Pin Name
VCOM
VCOC
AVDD
VSS1
LOUT
ROUT
I2C
CSN
SDA
CDTIO
CAD0
CCLK
SCL
LRCK
MCKI
BICK
SDTI
SDTO
PDN
MCKO
DVDD
VSS2
SPP
SVDD
VSS3
SPN
MIN
LIN1
DMDAT
RIN1
DMCLK
LIN2
RIN2
MPWR
DMP
I/O
O
O
-
-
O
O
I
I
I/O
I/O
I
I
I
I/O
I
I/O
I
O
I
O
-
-
O
-
-
O
I
I
I
I
O
I
I
O
O
Function
Common Voltage Output Pin
Bias voltage of ADC inputs and DAC outputs.
Output Pin for Loop Filter of PLL Circuit
This pin must be connected to VSS1 with one resistor and capacitor in series.
Analog Power Supply Pin
Ground 1 Pin
Lch Analog Output Pin
Lch Analog Output Pin
Control Mode Select Pin “H”: I
2
C Bus, “L”: 3-wire Serial
Chip Select Pin
(I2C pin = “L”)
Control Data Input/Output Pin
(I2C pin = “H”)
Chip Select Pin
(I2C pin = “L”)
Chip Address Select Pin
(I2C pin = “H”)
Control Data Clock Pin
(I2C pin = “L”)
Control Data Clock Pin
(I2C pin = “H”)
Input/Output Channel Clock Pin
External Master Clock Input Pin
Audio Serial Data Clock Pin
Audio Serial Data Input Pin
Audio Serial Data Output Pin
Power-down & Reset
When “L”, the AK4649 is in power-down mode and is held in reset.
The AK4649 must be always reset upon power-up.
Master Clock Output Pin
Digital Power Supply Pin
Ground 2 Pin
Speaker Amp Positive Output Pin
Speaker Amp Power Supply Pin
Ground 3 Pin
Speaker Amp Negative Output Pin
Mono Analog Signal Input Pin
Lch Analog Input Line Input 1Pin
(DMIC bit = “0”)
Digital Microphone Data Input Pin
(DMIC bit = “1”)
Rch Analog Input 1 Pin
(DMIC bit = “0”)
Digital Microphone Clock pin
(DMIC bit = “1”)
Lch Analog Input 2 pin
Rch Analog Input 2 Pin
MIC Power Supply Pin for Microphone
(MPDMP bit = “0”)
MIC Power Supply pin for Digital Microphone (MPDMP bit = “1”)
Note 2. All input pins except analog input pins (MIN, LIN1, RIN1, LIN2, RIN2) must not be left floating
MS1023-E-01
-6-
2010/08
AKM [ ASAHI KASEI MICROSYSTEMS ]
