ASAHI KASEI
[AK4393]
M0039-E-00
1998/11
- 3 -
PIN/FUNCTION
No.
Pin Name
I/O
Function
1
DVSS
-
Digital Ground Pin
2
DVDD
-
Digital Power Supply Pin, 3.3V or 5.0V
3
MCLK
I
Master Clock Input Pin
4
PD
I
Power-Down Mode Pin
When at "L", the AK4393 is in power-down mode and is held in reset.
The AK4393 should always be reset upon power-up.
5
BICK
I
Audio Serial Data Clock Pin
The clock of 64fs or more than is recommended to be input on this pin.
6
SDATA
I
Audio Serial Data Input Pin
2's complement MSB-first data is input on this pin.
7
LRCK
I
L/R Clock Pin
8
SMUTE
I
Soft Mute Pin
When this pin goes "H", soft mute cycle is initiated.
When returning "L", the output mute releases.
CS
I
Chip Select Pin in serial mode
9
DFS
I
Double speed sampling mode Pin (Internal pull-down pin)
"L": Normal Speed, "H": Double Speed
10
DEM0
I
De-emphasis Enable Pin
CCLK
I
Control Data Clock Pin in serial mode
11
DEM1
I
De-emphasis Enable Pin
CDTI
I
Control Data Input Pin in serial mode
12
DIF0
I
Digital Input Format Pin
13
DIF1
I
Digital Input Format Pin
14
DIF2
I
Digital Input Format Pin
15
BVSS
-
Substrate Ground Pin, 0V
16
VREFL
I
Low Level Voltage Reference Input Pin
17
VREFH
I
High Level Voltage Reference Input Pin
18
AVDD
-
Analog Power Supply Pin, 5V
19
AVSS
-
Analog Ground Pin, 0V
20
AOUTR-
O
Rch Negative analog output Pin
21
AOUTR+
O
Rch Positive analog output Pin
22
AOUTL-
O
Lch Negative analog output Pin
23
AOUTL+
O
Lch Positive analog output Pin
24
VCOM
O
Common Voltage Output Pin, 2.6V
25
P/S
I
Parallel/Serial Select Pin (Internal pull-up pin)
"L": Serial control mode, "H": Parallel control mode
26
CKS0
I
Master Clock Select Pin
27
CKS1
I
Master Clock Select Pin
28
CKS2
I
Master Clock Select Pin
Note: All input pins except internal pull-down pins should not be left floating.
DVD5
harman/kardon
67
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