39
5
7
8
F
E
D
C
B
A
5
7
8
GM-8437ZT/WL
-
Pin Functions (AK4529XQ)
Pin No.
Pin Name
I/O
Function and Operation
1
SDOS
I
SDTO source select pin
2
I2C
I
Serial control mode select pin
3
SMUTE
I
Soft mute pin
4
BICK
I
Audio serial data clock pin
5
LRCK
I
Input channel clock pin
6
SDTI1
I
DAC1 audio serial data input pin
7
SDTI2
I
DAC2 audio serial data input pin
8
SDTI3
I
DAC3 audio serial data input pin
9
SDTO
O
Audio serial data output pin
10
DAUX
I
Assistance audio serial data input pin
11
DFS
I
Double speed sampling mode pin
12
SDTI4
I
DAC4 audio serial data input pin
13
DZFE
I
0 input detect pin
14
TVDD
Power supply for output buffer
15
DVDD
Digital : Power supply pin
16
DVSS
Digital : GND pin (0V)
17
PDN
I
Power down and reset pin
18
TST
I
Test
pin
19
CAD1
I
Chip address 1 pin
20
CAD0
I
Chip address 0 pin
21
LOUT4
O
DAC4 L channel analog output pin
22
ROUT4
O
DAC4 R channel analog output pin
23
LOUT3
O
DAC3 L channel analog output pin
24
ROUT3
O
DAC3 R channel analog output pin
25
LOUT2
O
DAC2 L channel analog output pin
26
ROUT2
O
DAC2 R channel analog output pin
27
LOUT1
O
DAC1 L channel analog output pin
28
ROUT1
O
DAC1 R channel analog output pin
29,30 NC
Not
used
31
LIN
I
L channel analog input pin
32
RIN
I
R channel analog input pin
33
DZF2
O
0 input detect pin
34
VCOM
O
Common voltage output pin
35
VREFH
I
Reference voltage input pin
36
AVDD
Analog power supply pin
37
AVSS
Analog GND pin
38
DZF1
O
0 input detect pin
39
MCLK
I
Master clock input pin
I
Parallel / Serial select pin
I
Audio interface format 0 pin / Chip select pin
I
Audio interface format 1 pin / Control data clock pin
I/O
Loop back mode 0 pin / Control data input pin
I
TDM I/F format mode pin
11
12
22
23
33
34
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
