ASAHI KASEI
[AK4359]
PIN/FUNCTION
Function
Master Clock Input Pin
An external TTL clock should be input on this pin.
2
BICK
I
Audio Serial Data Clock Pin
3
SDTI1
I
DAC1 Audio Serial Data Input Pin
4
LRCK
I
L/R Clock Pin
5
RSTB
I
Reset Mode Pin
When at “L”, the AK4359 is in the reset mode.
The AK4359 must be reset once upon power-up.
6
SMUTE
I
Soft Mute Pin in parallel control mode
“H”: Enable, “L”: Disable
CSN
I
Chip Select Pin in serial 3-wire mode
CAD0
I
Chip Address Pin in serial I2C mode
7
ACKS
I
Auto Setting Mode Pin in parallel control mode
“L”: Manual Setting Mode, “H”: Auto Setting Mode
CCLK
I
Control Data Clock Pin in serial 3-wire mode
SCL
Control Data Clock Pin in serial I2C mode
8
DIF0
I
Audio Data Interface Format Pin in parallel control mode
CDTI
I
Control Data Input Pin in serial 3-wire mode
SDA
I/O
Control Data Pin in serial I2C mode
9
SDTI2
I
DAC2 Audio Serial Data Input Pin
10
SDTI3
I
DAC3 Audio Serial Data Input Pin
11
SDTI4
I
DAC4 Audio Serial Data Input Pin
12
DIF1
I
Audio Data Interface Format Pin
13
DEM0
I
De-emphasis Filter Enable Pin
14
DVDD
Digital Power Supply Pin, +4.5∼+5.5V
15
DVSS
Digital Ground Pin
16
I2C
I
Control Mode Select Pin in serial control mode
“L”: 3-wire Serial, “H”: I
2
C Bus
DEM1
I
De-emphasis Filter Enable Pin in parallel control mode
17
ROUT4
O
DAC4 Rch Analog Output Pin
18
LOUT4
O
DAC4 Rch Analog Output Pin
19
ROUT3
O
DAC3 Rch Analog Output Pin
20
LOUT3
O
DAC3 Rch Analog Output Pin
21
ROUT2
O
DAC2 Rch Analog Output Pin
22
LOUT2
O
DAC2 Rch Analog Output Pin
23
P/S
I
Parallel/Serial Select Pin
(Internal pull-up pin)
“L”: Serial control mode, “H”: Parallel control mode
24
ROUT1
O
DAC1 Rch Analog Output Pin
25
LOUT1
O
DAC1 Lch Analog Output Pin
26
VCOM
O
Common Voltage Pin, AVDD/2
Normally connected to AVSS with a 0.1µF ceramic capacitor in parallel with
a 10µF electrolytic cap.
27
AVSS
-
Analog Ground Pin
28
AVDD
-
Analog Power Supply Pin, +4.5∼+5.5V
29
DZF2
O
Data Zero Input Detect Pin
30
DZF1
O
Data Zero Input Detect Pin
Note: All input pins except pull-up pin should not be left floating.
No.
1
Pin Name
MCLK
I/O
I
MS0289-E-02
-4-
2006/03
AKM [ ASAHI KASEI MICROSYSTEMS ]
