ASAHI KASEI
[AK4632]
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
VCOC
AVDD
AVSS
VVDD
VIN
VOUT
VSAG
PDN
CSN
CCLK
CDTI
SDTI
SDTO
FCK
BICK
DVDD
DVSS
MCKI
MCKO
SPN
SPP
SVDD
SVSS
MIN
MOUT
AOUT
BEEP
AIN
MICOUT
MIC
MPI
VCOM
I/O
O
-
-
-
I
O
I
I
I
I
I
I
O
I/O
I/O
-
-
I
O
O
O
-
-
I
O
O
I
I
O
I
O
O
Function
Output Pin for Loop Filter of PLL Circuit
This pin should be connected to AVSS with one resistor and capacitor in series.
Analog Power Supply Pin
Analog Ground Pin
Video Block Power Supply Pin.
Composite Video Signal Input Pin
Composite Video Signal Driver Pin
Composite Video Signal Output Feedback Input Pin
Power-Down Mode Pin
“H”:
Power up,
“L”:
Power down reset and initialize the control register.
Chip Select Pin
Control Data Clock Pin
Control Data Input Pin
Audio Serial Data Input Pin
Audio Serial Data Output Pin
Frame Clock Pin
Audio Serial Data Clock Pin
Digital Power Supply Pin
Digital Ground Pin
External Master Clock Input Pin (Internal Pull Down 25kΩ@PDN pin =“L”)
Master Clock Output Pin
Speaker Amp Negative Output Pin
Speaker Amp Positive Output Pin
Speaker Amp Power Supply Pin
Speaker Amp Ground Pin
ALC2 Input Pin
Mono Analog Output Pin
Mono Line Output Pin
Beep Signal Input Pin
IPGA (ALC1) Input Pin
Microphone Analog Output Pin
Microphone Input Pin (Mono Input)
MIC Power Supply Pin for Microphone
Common Voltage Output Pin. Common Voltage = 0.45 x AVDD
Bias voltage of ADC inputs and DAC outputs.
Note : All input pins except analog input pins (MIC, AIN, MIN, BEEP and VIN pins) should not be left floating.
Note : The exposed pad on the bottom surface of the package must be open.
MS0396-E-00
-4-
2005/06
AKM [ ASAHI KASEI MICROSYSTEMS ]
