Read Panasonic CQ-C1301W Service Manual online
9.3. CD Servo Block
IC401 : YESAM275
Pin
No.
Port
Descriptions
I/O
(V)
1
CVSS1
GND
-
0
2
-
-
-
-
3
CVSS2
GND
-
0
4
DVDD1
I/O system (3.3V) power supply
-
3.3
5
A10
Address bus of FLASH ROM
O
0
6
-
-
-
-
7
A11
Address bus of FLASH ROM
O
3.3
8
A12
O
3.3
9
A13
O
3.3
10
A14
O
3.3
11
A15
O
3.3
12
/CVDD1
CORE CPU system (1.6V) power
supply
supply
-
1.6
13
-
-
-
-
14
DVSS1
GND
-
0
15
CVSS3
GND
-
0
16
/CVDD2
I/O system (3.3V) power supply
-
1.6
17
-
-
-
-
18
-
-
-
-
19
READY
-
-
3.3
20
/PS
FLASH ROM selection signal
O
3.3
21
-
-
-
-
22
-
-
-
-
23
R/W
Lead/light signal to FLASH ROM
O
3.3
24
/MSTRB
Memory access signal
O
3.3
25
-
-
-
-
26
/MSC
-
-
3.3
27
MUTE
Mute signal output (H:Mute on)
O
0
28
-
-
-
-
29
-
-
-
-
30
/HOLD
-
-
3.3
31
BIO
SUBO input
I
0
32
MP/MC
Operation mode setting (external pull-
up)
up)
I
3.3
33
DVDD2
I/O system (3.3V) power supply
-
3.3
34
CVSS4
GND
-
0
35
BD R1
GND
I
0
36
-
-
-
-
37
CVSS5
GND
-
0
38
-
-
-
-
39
-
-
-
-
40
DVSS2
GND
-
0
41
CLK C M AUDIO bit clock input
I
1.6
42
SCK
Clock input
I
3.3
43
LRCK
C
M
AUDIO L/R identifying signal input
I
1.6
44
CDFS
Serial frame sink signal input
I
2.6
45
DATA
CM
CM
AUDIO serial data input
I
1.6
46
-
-
-
-
47
SI
Serial data input
I
0
48
CLK M C AUDIO bit clock output
O
1.6
49
SCK
Clock input
I
3.3
50
CVSS6
GND
-
0
51
-
-
-
-
52
CVDD3
CORE CPU system (1.6V) power
supply
supply
-
1.6
53
LRCK
M
C
AUDIO L/R identifying signal output
O
1.6
54
CDFS
Serial frame sink signal input
I
2.4
55
-
-
-
-
56
DVDD3
I/O system (3.3V) power supply
-
3.3
57
DVSS3
GND
-
0
Pin
No.
Port
Descriptions
I/O
(V)
58
REST
SW
SW
Mechanics deck REST SW input
I
3.3
59
DATA
M
C
AUDIO serial data output
O
1.6
60
SO
Serial data output
O
1.2
61
-
-
-
-
62
-
-
-
-
63
/NMI
-
-
3.3
64
/INT0
-
-
3.3
65
/INT1
-
-
3.3
66
BLKCK
Subcode block clock pulse input
I
0
67
/INT3
-
-
3.3
68
CV DD4
CORE CPU system (1.6V) power
supply
supply
-
1.6
69
SW1
Mechanics deck SW1 input
I
0
70
CVSS7
GND
-
0
71
MCLK
Clock output (To Servo DSP)
O
3.3
72
DVSS4
GND
-
0
73
MLD
Command load signal output (To
Servo DSP)
Servo DSP)
I
3.3
74
MDATA
Command data output (To Servo
DSP)
DSP)
O
3.3
75
DVDD4
I/O system (3.3V) power supply
-
3.3
76
DVSS5
GND
-
0
77
CLK MD1 Clock mode setting (L fixation)
I
0
78
CLK MD2 Clock mode setting (H fixation)
I
3.3
79
CLK MD3 Clock mode setting (L fixation)
I
-
80
-
-
-
-
81
SW2
Mechanics deck SW2 input
I
0
82
-
-
-
-
83
EMU0
-
-
0
84
EMU/OF
F
F
-
-
3.3
85
TDO
-
-
3.3
86
TDI
-
-
0
87
/TRST
-
-
3.3
88
TCK
-
-
0
89
TMS
-
-
3.3
90
CVSS8
GND
-
3.3
91
CVDD5
CORE CPU system (1.6V) power
supply
supply
-
0
92
HPIENA
GND
I
1.6
93
DVSS6
GND
-
0
94
-
-
-
-
95
CLKENA Oscillation output Cainabl signal
O
3.3
96
X1
Crystal Connection
O
0
97
X2/CLKIN Crystal Connection
I
0
98
RS
Reset signal input
I
1
99
D0
Data base of FLASH ROM
I/O
3.4
100
D1
I/O
0
101
D2
I/O
0
102
D3
I/O
0
103
D4
I/O
0
104
D5
I/O
0
105
A16
Address bus of FLASH ROM
O
0
106
DVSS7
GND
-
0
107
A17
Address bus of FLASH ROM
O
3.3
108
A18
O
0
109
A19
Address bus of FLASH ROM
O
0
110
A20
O
0
111
CVSS9
GND
-
0
112
DVDD5
I/O system (3.3V) power supply
-
3.3
113
D6
Data bus of FLASH ROM
I/O
0
114
D7
I/O
0
115
D8
I/O
0
116
D9
I/O
0
117
D10
I/O
0
6
CQ-C1301W
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