ASAHI KASEI
[AK4564]
PIN/FUNCTION
No. Pin Name
I/O
FUNCTION
Power Supply
5
6
SVDD
SVSS
•
•
Speaker Amp Power Supply Pin, +3.0V
Speaker Amp Ground Pin
15 DVDD
16 DVSS
•
•
Digital Power Supply Pin, +2.8V
Digital Ground Pin
28 HVDD
30 HVCM
31 AVSS
•
O
•
Headphone-Amp, LINEOUT Power Supply Pin, +4.5V
Headphone-Amp, LINEOUT Common Voltage Output Pin, 0.5 x HVDD
Analog Ground Pin
32 AVDD
33 VCOM
41 MVSS
42 MVDD
43 MPWR
44 MRF
•
O
-
-
O
O
Analog Power Supply Pin, +2.8V
Common Voltage Output Pin, 0.5 x AVDD
MIC Amp Ground Pin
MIC Amp Power Supply Pin, +2.8V
MIC Power Supply Pin, 1.6V@MVDD=2.8V, Idd=3mA(max)
MIC Power Supply Ripple Filter Pin
Operation Clock
7
8
9
BCLK
MCLK
LRCK
I
I
I
I
O
Audio Serial Data Clock Pin
Master Clock Input Pin
Input/Output Channel Clock Pin
Audio Serial Data Input Pin
Audio Serial Data Output Pin
13 SDTI
14 SDTO
MIC Block
37 PREOR
38 PRENR
39 EXTR
40 INTR
O
I
I
I
I
I
I
O
Rch Pre•Amp Output Pin
Rch Pre•Amp Negative Input Pin
Lch External MIC Input Pin
Rch Internal MIC Input Pin
Lch Internal MIC Input Pin
Rch External MIC Input Pin
Lch Pre•Amp Negative Input Pin
Lch Pre•Amp Output Pin
45 INTL
46 EXTL
47 PRENL
48 PREOL
Control Data Interface
10 CDTI
I
I
I
Control Data Input Pin
Chip Select Pin
Control Clock Input Pin
11 CSN
12 CCLK
ADC Block
17 LIN1
19 RIN1
21 LIN2
I
I
I
I
Lch Line #1 Input Pin
Rch Line #1 Input Pin
Lch Line #2 Input Pin
Rch Line #2 Input Pin
23 RIN2
DAC Block
18 LOUT1
20 ROUT1
22 LOUT2
24 ROUT2
O
O
O
O
Lch Line #1 Output Pin
Rch Line #1 Output Pin
Lch Line #2 Output Pin
Rch Line #2 Output Pin
NOTE: All digital input pins must not be left floating.
MS0140-E-01
2002/07
- 3 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
