Panasonic CQC8100U - AUTO RADIO/CD DECK, Service Manual

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120 NC Connecting to GND I 0
11.4. CD Servo Block [CQ-C8400U/C8300U]
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
HD7(NC) No Connection
- -
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 /
HAS(NC)
No Connection - -
14 DVSS1 GND - 0
15 CVSS3 GND - 0
16 CVDD2 I/O system (3.3V) power
supply
- 1.6
17 /
HCS(NC)
No Connection - -
18 HRW(NC)No Connection - -
19 READY - - 3.3
20 nPS FLASH ROM selection
signal O 3.3
21 /DS(NC) No Connection - -
22 /IS(NC) No Connection - -
23 R/W Lead/light signal to FLASH
ROM O 3.3
24 nMSTRBMemory access signal O 3.3
25 - - - -
26 /MSC - - 3.3
27 MUTE Mute signal output (H:Mute
on) O 0
28 - No Connection - -
29 - No Connection - -
30 /HOLD - - 3.3
31 SUBQ SUBQ input I 0
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