38
1
2
4
1
2
4
F
E
D
C
B
A
GM-8437ZT/WL
-
Pin Functions (AK7706VTA)
Pin No.
Pin Name
I/O
Function and Operation
1
SDOUT1
O
DSP serial data output pin
2
SDOUT2
O
DSP serial data output pin
3
SDOUT3
O
DSP serial data output pin
4
SDOUT4
O
DSP serial data output pin
5
DVDD
Digital : Power supply pin (5V or 3.3V)
6
DVSS
Digital : GND pin (0V)
7
SDIN1
I
DSP serial data input pin
8
SDIN2
I
DSP serial data input pin
9
SDIN3
I
DSP serial data input pin
10
LRCLK
I/O
L / R channel select pin
11
BITCLK
I/O
Serial bit clock pin
12
CLKO
O
Clock output pin
13
CTRL
Clock output control pin
14
DVDD
Digital : Power supply pin (5V or 3.3V)
15
DVSS
Digital : GND pin (0V)
16
XTI
I
Master clock input pin
17
XTO
O
Crystal oscillator output pin
18
TESTI1
Test
pin
19
INIT_RESET I
Reset
pin
20
DSP_RESET I
Reset
pin
21
SMODE
I
Slave / Master mode select pin
22
JX
I
Outside condition pin
23
rq
I
Request pin for microcomputer interface
24
SCLK
I
Serial data clock input pin for microcomputer interface
25
SI
I
Serial data input / Serial data output control pin for microcomputer interface
26
DVSS
Digital : GND pin (0V)
27
DVDD
Digital : Power supply pin (5V)
28
SO
O
Serial data output pin for microcomputer interface
29
RDY
O
Data write in ready output pin for microcomputer interface
30
DRDY
O
Output data ready for microcomputer interface
31
LSEL
I
Input pin select pin
32
cas
O
Option DRAM :
cas
pin
33
ras
O
Option DRAM :
ras
pin
34
we
O
Outside SRAM / DRAM : Write enable pin
35-39
A0-4
O
Outside RAM : Address output pin
40
DVSS
Digital : GND pin (0V)
41
DVDD
Digital : Power supply pin (5V or 3.3V)
42-53
A5-16
O
Outside RAM : Address output pin
Digital : Power supply pin (5V or 3.3V)
Digital : GND pin (0V)
O
Outside RAM : Output enable pin
Outside RAM : Data input / output pin
16
17
32
33
64
1
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