63
AK4683 Pin Discriptions
No. Pin
Name I/O Function
1 PVDD
- PLL Power supply Pin, 4.5V
a
5.5V
2
RX0
I
Receiver Channel 0 Pin (Internal biased pin. Internally biased at PVDD/2)
3 I2C
I
Control Mode Select Pin.
“L”: 4-wire Serial, “H”: I
2
C Bus
4
RX1
I
Receiver Channel 1 Pin
5
RX2
I
Receiver Channel 2 Pin
6
RX3
I
Receiver Channel 3 Pin
7 INT
O Interrupt
Pin
VOUT
O
V-bit Output Pin for Receiver Input
DZF O
Zero Input Detect Pin
When the input data of DAC follow total 8192 LRCK cycles with “0” input data, this
pin goes to “H”. And when RSTN1 bit is “0”, PWDA bit is “0”, this pin goes to “H”.
8
OVF O
Analog Input Overflow Detect Pin
This pin goes to “H” if the analog input of Lch or Rch overflows.
9
CDTO
O
Control Data Output Pin in Serial Mode and I2C pin = “L”.
10
LRCKB
I/O
Channel Clock B Pin
11
BICKB
I/O
Audio Serial Data Clock B Pin
12
SDTOB
O
Audio Serial Data Output B Pin
13
OLRCKA
I/O
Output Channel Clock A Pin
14
ILRCKA
I/O
Input Channel Clock A Pin
15 BICKA
I/O Audio
Serial Data Clock A Pin
16
SDTOA
O
Audio Serial Data Output A Pin
17
MCKO
O
Master Clock Output Pin
18 TVDD
- Output Buffer Power Supply Pin, 2.7V
a
5.5V
19
DVSS
-
Digital Ground Pin, 0V
20
DVDD -
Digital Power Supply Pin, 4.5V
a
5.5V
21
XTI
I
X'tal Input Pin
22
XTO
O
X'tal Output Pin
23 TX
O
Transmit Channel Output pin
When DIT bit = “0”, RX0~3 Through.
When DIT bit = “1”, Internal DIT Output.
24
MCLK2
I
Master Clock Input Pin
25 PDN
I
Power-Down Mode & Reset Pin
When “L”, the AK4683 is powered-down, all registers are reset. And then all digital
output pins go “L”. The AK4683 must be reset once upon power-up.
CDTI
I
Control Data Input Pin in Serial Mode and I2C pin = “L”.
26
SDA
I/O
Control Data Pin in Serial Mode and I2C pin = “H”.
CCLK
I
Control Data Clock Pin in Serial Mode and I2C pin = “L”
27
SCL
I
Control Data Clock Pin in Serial Mode and I2C pin = “H”
CSN
I
Chip Select Pin in Serial Mode and I2C pin = “L”.
28
TEST
I
This pin should be connected to DVSS in Serial Mode and I2C pin = “H”.
29
SDTIA1
I
Audio Serial Data Input A1 Pin
30
SDTIA2
I
Audio Serial Data Input A2 Pin
31
SDTIA3
I
Audio Serial Data Input A3 Pin
32
SDTIB
I
Audio Serial Data Input B Pin
33
HVDD -
HP Power Supply Pin, 4.5V
a
5.5V
34
HVSS
-
HP Ground Pin, 0V
35
HPR
O
HP Rch Output Pin
36
HPL
O
HP Lch Output Pin
37 MUTET
-
HP Common Voltage Output Pin
1
P
F capacitor should be connected to HVSS externally.
