64
STR-DA1000ES/DB790
• DIGITAL BOARD IC1201 CXD9718Q (AUDIO DIGITAL SIGNAL PROCESSOR)
Pin No.
Pin Name
I/O Description
1 VSS
—
Ground terminal
2
XRST
I
System reset signal input from the system controller “L”: reset
3
EXTIN
I
Master clock signal input terminal Not used
4
FS2
I
Sampling frequency selection signal input terminal Not used
5
VDDI
—
Power supply terminal (+2.5V)
6
FS1
I
Sampling frequency selection signal input terminal Not used
7
PLOCK
O
Internal PLL lock signal output terminal Not used
8
VSS
—
Ground terminal
9
MCLK1
I
System clock input terminal (13.5 MHz)
10
VDDI
—
Power supply terminal (+2.5V)
11
VSS
—
Ground terminal
12
MCLK2
O
System clock output terminal (13.5 MHz)
13
MS
I
Master/slave setting terminal “L”: internal clock, “H”: external clock
Fixed at “L” in this set
14 SCKOUT
O
Internal system clock output terminal Not used
15 LRCKI1
I
L/R sampling clock signal (44.1 kHz) input from the A/D converter and digital audio interface
receiver
16 VDDE
—
Power supply terminal (+3.3V)
17
BCKI1
I
Bit clock signal (2.8224 MHz) input from the A/D converter and digital audio interface receiver
18
SDI1
I
Audio serial data input from the A/D converter
19
LRCKO
O
L/R sampling clock signal (44.1 kHz) output to the D/A converter
20
BCKO
O
Bit clock signal (2.8224 MHz) output to the D/A converter
21 VSS
—
Ground terminal
22 KFSIO
I
Audio clock signal input from the digital audio interface receiver
23 to 26 SDO1 to SDO4
O
Audio serial data output to the D/A converter
27
SPDIF
O
SPDIF signal output terminal Not used
28
LRCKI2
I
L/R sampling clock signal (44.1 kHz) input from the A/D converter and digital audio interface
receiver
29 BCKI2
I
Bit clock signal (2.8224 MHz) input from the A/D converter and digital audio interface receiver
30 SDI2
I
Audio serial data input from the digital audio interface receiver
31 VSS
—
Ground terminal
32 HACN
O
Acknowledge signal output to the system controller
33 HDIN
I
Serial data input from the system controller
34 HCLK
I
Serial data transfer clock signal input from the system controller
35 HDOUT
O
Serial data output to the system controller
36 HCS
I
Chip select input from the system controller
37 SDCLK
I
Write signal input from the system controller
38 CLKEN
O
SD-RAM chip enable output terminal Not used
39 RAS
O
Row address strobe signal output terminal Not used
40 VDDI
—
Power supply terminal (+2.5V)
41 VSS
—
Ground terminal
42 CAS
O
Column address strobe signal output terminal Not used
43 DQM/OE0
O
Output terminal of data input/output mask Not used
44 CS0
O
Chip select signal output to the S-RAM
45 WE0
O
Write enable signal output to the S-RAM
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
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
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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