CQ-MS0371A - Panasonic Car Audio Service Manual (repair manual). Page 9

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IC201 : C2BBFD000403
Pin
No.
Port
Description
I/O
(V)
1
A0
Address output
O
3.8
2
/RST
Reset
O
5.1
3
RFOK
RFOK signal
I
4.9
4
/PS2
IC301 mute
O
5.1
5
/PC1
IC301 mute
O
0
6
TRV
Traverse motor control
O
2.5
7
LOD
Loading motor control
O
2.5
8
PS2
Connected test pin (PS2)
-
0
9
PC1
Connected test pin (PC1)
-
5.1
10
PC
Connected test pin (PC)
-
0
11
IFR
Connected GND
-
0
12
NC
Connected test pin (TP12)
-
0.6
13
VPP
Connected GND
-
0
14
X2
Crystal oscillator
-
3.3
15
X1
Crystal oscillator
-
2.9
16
VSS
GND
-
0
17
VDD
+5V power supply
-
5.1
18
/RESET
Reset input
I
5.1
19
TP19
Connected test pin (TP19)
-
0
20
TP20
Connected test pin (TP20)
-
0
21
TP21
Connected test pin (TP21)
-
0
22
AMUTE(NC)
-
-
-
23
CDON
CD power supply ON
I
5.0
24
INTP1
Connected GND
-
0
25
INTP0
Connected GND
-
0
26
SIMO
Serial data output
I
0
27
SOMI
Serial data input
O
2.9
28
SCKM
Shift clock (Serial data)
I
5.0
29
Q1 SW1
Disk insertion sensor signal
I
4.6
30
Q3 SW3
Disk preseting sensor signal
I
4.6
31
Q6 SW6
Preliminary sensor
I
4.7
32
SW4
Disk clamp
I
0
33
SW5
Inner SW
I
4.9
34
SW2
Feeder Arm
I
5.1
35
TP35
Connected test pin (TP35)
-
0
36
TP36
-
-
0
37
TP37
Connected test pin (TP37)
-
0.5
38
VDD
+5V power supply
-
5.1
39
VSS
GND
-
0
40
/XEN
XEN signal
O
0
41
SI
Serial data input
O
3.1
42
SO
Serial data output
I
0.7
43
/SCK
Shift clock
O
3.6
44
/STB
Strobing
O
5.0
9
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