file:///E|/_MANUALS/TECHNICS/technics_sl-pd7nasvc_[ET]/NA/SL-PD7/SVC/s1104000000.html[30/09/2009 12:14:38]
11.4 IC401 (C2BBGD000075) Microprocessor
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Pin No.
Mark
I/O
Function
1~7
G7~G1
O
Grid signal of FL display
8
VDD
-
Power supply terminal
9
MCLK
O
Command clock signal
10
MDATA
O
Command data signal
11
MLD
O
Command load signal (“L” LOAD.)
12
SENSE
I
Sense signal
13
DMUTE
O
Muting control signal
14
SQCK
O
Sub-code Q register clock
15
NC
-
Not connected
16
SUBQ
I
Sub-code Q data
17
/RESET
I
Reset signal input
18
ZSENSE
-
Not used, connected to GND
19
REC.EN
I
Synchro. rec. control terminal
20
AVSS
-
GND terminal
21
/RSTSV
O
Reset signal output
22
OPEN
I
Open detect terminal
23
DIR
O
Motor control signal
24
TURN
O
Motor control signal
25
LOAD
O
Motor control signal
26
AD3
I
Key input 3
27
AD2
I
Key input 2
28
AD1
I
Key input 1
29
AVDD
I
Power supply terminal
30
AVREF
-
Power supply terminal
31
NC
-
Not used, connected to GND
32
XT2
-
Not used, open
33
VSS
-
GND Terminal
34
X1
I
Crystal Osc. Input terminal (4.2336MHz)
35
X2
O
Crystal Osc. Output terminal (4.2336MHz)
36
RESETSW
O
Rest position detect
37
UP/DOWN
I
Traverse deck up/down fetection input
38
Unused
I
Not used, connected to GND
39
Unused
I
Not used, connected to GND
40
Unused
I
Not used, connected to GND
41
Unused
I
Not used, connected to GND
42
Unused
I
Not used, connected to GND
43
PWM
O
Mechanism control signal (PWM output)
44
POFF
I
Power OFF detection input
45
POSITION
I
Rotary tray position detecting sensor input
46
SPEED
I
Loading motor speed sensor input
47
REMOCON
I
Remote control sensor input
48
IC
-
Not used, connected to GND
49
/TLOCK
I
Optical servo condition (tracking) input
50
/FLOCK
I
Optical servo condition (focus) input
51
STAT
I
Status signal (CRC,CUE,CLVS,TTSTOP, FCLV,SQCK)
52
VDD
-
Power supply terminal (+5V)
53
POWER
O
Power ON/OFF output terminal
54
SYNCHRO
-
Not used, open
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