Read Sony HCD-RV660D / HCD-RV990D Service Manual online
21
HCD-RV660D/RV990D
6. IC PIN DESCRIPTIONS
• IC701 TMC57929PGF-RDP (DVD DECODER) (DMB03 Board (3/8))
Pin No.
Pin Name
I/O
Pin Description
1, 2
D5, D6
I/O
Two-way data bus signal input from/output to mechanism control IC.
3
VSS
—
Ground
4
D7
I/O
Two-way data bus signal input from/output to mechanism control IC.
5
A0
I/O
Address signal input from/output to mechanism control IC.
6
VDD
—
Power supply pin (+3.2 V)
7
A1
I/O
Address signal input from/output to mechanism control IC.
8
VDD5V
—
Power supply pin (+5 V)
9 to 14
A2 to A7
I/O
Address signal input from/output to mechanism control IC.
15
VSS
—
Ground
16
XWAIT
O
Not used (Open)
17
XRD
I
Read strobe signal input from mechanism control IC.
18
XWR
I
Write strobe signal input from mechanism control IC.
19
XCS
I
Chip select signal input from mechanism control IC.
20, 21
XINT0, XINT1
O
Interrupt signal output to mechanism control IC.
22
VDD
—
Power supply pin (+3.2 V)
23
XHRS
I
Not used (Open)
24
HDB7
I/O
Stream data input from/output to DVD system processor IC.
25
VSS
—
Ground
26
HDB8
I/O
Error flag signal input from/output to DVD system processor IC.
27
HDB6
I/O
Stream data input from/output to DVD system processor IC.
28
VDDS
—
Power supply pin (+5 V)
29
HDB9
I/O
Not used (Open)
30
HDB5
I/O
Stream data input from/output to DVD system processor IC.
31
HDBA
I/O
Not used (Open)
32
HDB4
I/O
Stream data input from/output to DVD system processor IC.
33
VSS
—
Ground
34
HDBB
I/O
Not used (Open)
35
HDB3
I/O
Stream data input from/output to DVD system processor IC.
36
VDD
—
Power supply pin (+3.2 V)
37
HDBC
I/O
Not used (Open)
38
VDDS
—
Power supply pin (+5 V)
39
HDB2
I/O
Stream data input from/output to DVD system processor IC.
40
HDBD
I/O
Not used (Open)
41
HDB1
I/O
Stream data input from/output to DVD system processor IC.
42
VSS
—
Ground
43
HDBE
I/O
Not used (Open)
44
HDBO
I/O
Stream data input from/output to DVD system processor IC.
45
HDBF
I/O
Not used (Open)
46
HDRQ
O
Serial data effect flag signal output to DVD system processor IC.
47
VDDS
—
Power supply pin (+5 V)
48
XHWR
I
Serial data transfer clock signal input from DVD system processor IC.
49
XHRD
I
Not used (Open)
50
VDD
—
Power supply pin (+3.2 V)
51
REDY
O
Not used (Open)
52
VSS
—
Ground
53
XHAC
I
Serial data request signal input from DVD system processor IC. (DVD mode)
54
HINT
I/O
Not used (Fixed at H)
55
XS16
I
Not used (Fixed at H)
56
HA1
I
Not used (Fixed at H)
57
XPDI
I/O
Not used (Fixed at H)
58
VDDS
—
Power supply pin (+5 V)
59, 60
HA0, HA2
I
Not used (Fixed at H)
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