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18
STR-DA4ES/DA7ES/VA333ES
SECTION 6
DIAGRAMS
6-1. IC PIN FUNCTION
• IC1201 CXD9617R (AUDIO DSP) (DIGITAL BOARD (4/7))
Pin No.
Pin Name
I/O
Pin Description
1
VSS
—
Ground pin
2
XRST
I
Reset signal input
3
EXTIN
I
Not used. (connected to ground.) Master clock signal input
4
FS2
I
Not used. (connected to ground.)
5
VDDI
—
Power supply pin (+3.3 V)
6
FS1
I
Not used. (connected to ground.)
7
PLOCK
O
Not used. (open)
8
VSS
—
Ground pin
9
MCLK1
I
External crystal signal input (13.5 MHz)
10
VDDI
—
Power supply pin (+3.3 V)
11
VSS
—
Ground pin
12
MCLK2
O
External crystal signal output (13.5 MHz)
13
MS
I
Not used. (connected to ground.)
14
SCKOUT
O
Not used. (open) Audio clock signal output
15
LRCKI1
I
LRCK clock signal input
16
VDDE
—
Power supply pin (+3.3 V)
17
BCKI1
I
BCK clock signal input
18
SDI1
I
Audio serial data signal input
19
LRCKO
O
LRCK clock signal output
20
BCKO
O
BCK clock signal output
21
VSS
—
Ground pin
22
KFSIO
I
KFSIO signal input
23
SDO1
O
Audio serial data signal output 1
24
SDO2
O
Audio serial data signal output 2
25
SDO3
O
Audio serial data signal output 3
26
SDO4
O
Audio serial data signal output 4
27
SPDIF
O
Not used. (open) S/P DIF signal output
28
LRCKI2
I
LRCK clock signal input
29
BCKI2
I
BCK clock signal input
30
SDI2
I
Audio serial data signal input
31
VSS
—
Ground pin
32
HACN
O
Host I/F acknowledge signal output
33
HDIN
I
Host I/F serial data signal input
34
HCLK
I
Host I/F serial clock signal input
35
HDOUT
O
Host I/F serial data signal output
36
HCS
I
Host I/F chip select signal input
37
SDCLK
O
Not used. (open)
38
CLKEN
O
Not used. (open)
39
RAS
O
Not used. (open)
40
VDDI
—
Power supply pin (+3.3 V)
41
VSS
—
Ground pin
42
CAS
O
Not used. (open)
43
DQM/OE0
O
Not used. (open)
44
CS0
—
Ground pin
45
WE0
O
External memory write enable signal output
46
VDDE
—
Power supply pin (+3.3 V)
47
WMD1
I
Not used. (connected to VDDE.) External memory wait mode signal input 1
48
VSS
—
Ground pin
49
WMD0
I
Not used. (connected to VDDE.) External memory wait mode signal input 0
50
PAGE2
O
External memory page select signal output
51
VSS
—
Ground pin
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