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70
SCD-XA333ES
•
MAIN BOARD IC803 CXD9647R (DSD DIGITAL SIGNAL PROCESSOR)
Pin No.
Pin Name
I/O
Description
1
VDD
—
Power supply terminal (+3.3V) (digital system)
2
XMSDOE
O
Serial data output enable signal output terminal Not used (open)
3
MSREADY
I
Ready signal input from the CPU (IC901) “L”: ready
4
MSDATO
O
Serial data output to the CPU (IC901)
5
MSDATI
I
Serial data input from the CPU (IC901)
6
MSCK
I
Serial data transfer clock signal input from the CPU (IC901)
7
XMSLAT
I
Serial data latch pulse signal input from the I/O expander (IC902)
8
GND
—
Ground terminal (digital system)
9 to 16
TESTO
O
Output terminal for the test (normally: open)
17, 18
TESTI
I
Input terminal for the test (normally: fixed at “L”)
19
TESTO
O
Output terminal for the test (normally: open)
20
GND
—
Ground terminal (digital system)
21
TESTI
I
Input terminal for the test (normally: fixed at “L”)
22
GND
—
Ground terminal (digital system)
23
TESTI
I
Input terminal for the test (normally: fixed at “L”)
24
TESTO
O
Output terminal for the test (normally: open)
25
VDD
—
Power supply terminal (+3.3V) (digital system)
26
GND
—
Ground terminal (digital system)
27
TESTI
I
Input terminal for the test (normally: fixed at “L”)
28
FS128
O
Bit clock signal (2.8224 MHz) output for DSD data output to the DSD decoder (IC801)
29
TEST2
I
Input terminal for the test (normally: fixed at “L”)
30
FS64
O
Phase reference signal output for DSD output phase modulation to the DSD decoder (IC801)
31
GND
—
Ground terminal (digital system)
32
DSI1
I
DSD data (front L-ch) input from the DSD decoder (IC801)
33
GND
—
Ground terminal (digital system)
34
DSI2
I
DSD data (front R-ch) input from the DSD decoder (IC801)
35
VDD
—
Power supply terminal (+3.3V) (digital system)
36
DSI3
I
DSD data (center) input from the DSD decoder (IC801)
37
GND
—
Ground terminal (digital system)
38
DSI4
I
DSD data (sub woofer) input from the DSD decoder (IC801)
39
GND
—
Ground terminal (digital system)
40
DSI5
I
DSD data (surround L-ch) input from the DSD decoder (IC801)
41
VDD
—
Power supply terminal (+3.3V) (digital system)
42
DSI6
I
DSD data (surround R-ch) input from the DSD decoder (IC801)
43
GND
—
Ground terminal (digital system)
44 to 46
TESTO
O
Output terminal for the test (normally: open)
47
TESTI
I
Input terminal for the test (normally: fixed at “L”)
48
TESTO
O
Output terminal for the test (normally: open)
49
TESTI
I
Input terminal for the test (normally: fixed at “L”)
50
GND
—
Ground terminal (digital system)
51
VDD
—
Power supply terminal (+3.3V) (digital system)
52
TESTO
O
Output terminal for the test (normally: open)
53
GND
—
Ground terminal (digital system)
54
TESTO
O
Output terminal for the test (normally: open)
55
GND
—
Ground terminal (digital system)
56
DSAL
O
DSD data (front L-ch) output to the digital filter (IC115)
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