ASAHI KASEI
[AK4536]
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
Pin Name
VCOM
AVSS
AVDD
VCOC
PDN
CSN
CCLK
CDTI
SDTI
SDTO
FCK
BICK
DVDD
DVSS
XTI
MCKI
XTO
SPP
SPN
SVDD
SVSS
MIN
MOUT
AOUT
BEEP
AIN
MICOUT
MIC
MPI
I/O
O
-
-
O
I
I
I
I
I
O
I/O
I/O
-
-
I
I
O
O
O
-
-
I
O
O
I
I
O
I
O
Function
Common Voltage Output Pin, 0.45 x AVDD
Bias voltage of ADC inputs and DAC outputs.
Analog Ground Pin
Analog Power Supply Pin
Output Pin for Loop Filter of PLL Circuit
This pin should be connected to AVSS with one resistor and capacitor in series.
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
X’tal Input Pin
External Master Clock Input Pin
X’tal Output Pin
Speaker Amp Positive Output Pin
Speaker Amp Negative 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
Note: All input pins except analog input pins (MIC, AIN, MIN and BEEP pins) should not be left floating.
MS0174-E-00
-4-
2002/09
AKM [ ASAHI KASEI MICROSYSTEMS ]
