http://tsn.pasc.panasonic.com/viewing/NAOT/CQ-C1300U/SVC/s0903000000.html
9.3 CD Servo Block
IC401 : YESAM176
Pin No.
Port
Descriptions
I/O (V)
1
CVSS1
GND
-
0
2
-
-
-
-
3
CVSS2
GND
-
0
4
DVSS1
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
-
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
nPS
FLASH ROM selection signal
O
3.3
21
-
-
-
-
22
-
-
-
-
23
R/W
Lead/light signal to FLASH ROM
O
3.3
24
nMSTRB
Memory access signal
O
3.3
25
-
-
-
-
26
/MSC
-
-
3.3
27
MUTE
Mute signal output (H:Mute on)
O
0
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