Read Sony SCD-XA333ES Service Manual online
63
SCD-XA333ES
•
MAIN BOARD IC701 CXD1882R-1 (SACD DECODER)
Pin No.
Pin Name
I/O
Description
1, 2
D5, D6
I/O
Two-way data bus with the CPU (IC901) and I/O expander (IC902)
3
VSS
—
Ground terminal (digital system)
4
D7
I/O
Two-way data bus with the CPU (IC901) and I/O expander (IC902)
5
A0
I
Address signal input from the CPU (IC901)
6
VDD
—
Power supply terminal (+3.3V) (digital system)
7
A1
I
Address signal input from the CPU (IC901)
8
VDD5V
—
Power supply terminal (+5V)
9 to 14
A2 to A7
I
Address signal input from the CPU (IC901)
15
VSS
—
Ground terminal (digital system)
16
XWAIT
O
Wait signal output terminal Not used (open)
17
XRD
I
Read strobe signal input from the CPU (IC901)
18
XWR
I
Write strobe signal input from the CPU (IC901)
19
XCS
I
Chip select signal input from the CPU (IC901)
20, 21
XINT0, XINT1
O
Interrupt signal output to the CPU (IC901)
22
VDD
—
Power supply terminal (+3.3V) (digital system)
23
XHRS
I
Not used (open)
24
HDB7
O
Stream data signal output to the DSD decoder (IC801)
25
VSS
—
Ground terminal (digital system)
26
HDB8
O
Error flag signal output to the DSD decoder (IC801)
27
HDB6
O
Stream data signal output to the DSD decoder (IC801)
28
VDDS
—
Power supply terminal (+5V) (digital system)
29
HDB9
O
Not used (open)
30
HDB5
O
Stream data signal output to the DSD decoder (IC801)
31
HDBA
O
Not used (open)
32
HDB4
O
Stream data signal output to the DSD decoder (IC801)
33
VSS
—
Ground terminal (digital system)
34
HDBB
O
Not used (open)
35
HDB3
O
Stream data signal output to the DSD decoder (IC801)
36
VDD
—
Power supply terminal (+3.3V) (digital system)
37
HDBC
O
Not used (open)
38
VDDS
—
Power supply terminal (+5V) (digital system)
39
HDB2
O
Stream data signal output to the DSD decoder (IC801)
40
HDBD
O
Not used (open)
41
HDB1
O
Stream data signal output to the DSD decoder (IC801)
42
VSS
—
Ground terminal (digital system)
43
HDBE
O
Not used (open)
44
HDB0
O
Stream data signal output to the DSD decoder (IC801)
45
HDBF
O
Not used (open)
46
XSAK
O
Serial data effect flag signal output to the DSD decoder (IC801)
47
VDDS
—
Power supply terminal (+5V) (digital system)
48
XDCK
O
Serial data transfer clock signal output to the DSD decoder (IC801)
49
XSHD
O
Header flag signal output to the DSD decoder (IC801)
50
VDD
—
Power supply terminal (+3.3V) (digital system)
51
REDY
O
Not used (pull up)
52
VSS
—
Ground terminal (digital system)
53
XHAC
I
Serial data request signal input from the DSD decoder (IC801)
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