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Pin
Port
No.
A0
Address output
1
/RST
Servo processor reset
2
RFOK
Servo processor RFOK
3
signal
/PS2
IC301 mute
4
/PC1
IC301 mute
5
TRV
Toraverse motor control
6
LOD
Loading motor control
7
PS2
Not used
8
PC1
Not used
9
10 PC
Not used
11 IFR
(Connecting to ground)
12 NC
No connection
13 VPP
Not used
14 X2
Crystal oscillator
15 X1
Crystal oscillator
16 VSS
Ground
17 VDD
+5V power supply
18 /RESET
Reset input
19 TP19
Not used
20 TP20
Not used
21 TP21
Not used
22 AMUTE
AF mute
23 CDON
CD power on
24 INTP1
(Connecting to ground)
25 INTP0
(Connecting to ground)
26 SIMO
Serial data
27 SOMI
Serial data
28 SCKM
Shift clock for serial data
29 Q1 SW1
Disc in sensor signal
30 Q3 SW3
Disc out sensor signal
31 Q6 SW6
(Option sensor)
32 SW4
Disc clamp
33 SW5
Inner SW
34 SW2
Feeder arm
35 TP35
Not used
36 TP36
Not used
37 TP37
Not used
38 VDD
+5V power supply
39 VSS
Ground
40 /XEN
Servo processor XEN
signal
Description
I/O (V)
O
3.8
O
5.1
I
4.9
O
5.1
O
0
O
2.5
O
2.5
-
-
-
-
-
-
-
0
-
-
-
-
-
3.3
-
2.9
-
0
-
5.1
I
5.1
-
-
-
-
-
-
O
0
I
5.0
-
0
-
0
I
0
O
2.9
I
5.0
I
4.6
I
4.6
I
4.7
I
0
I
4.9
I
5.1
-
-
-
-
-
-
-
5.1
-
0
O
0
10
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