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9.3. MD Servo Block
Pin
No.
Name
Description
I/O Vol.
(V)
1
SCLK
Serial BUS clock
O
3.5
2
-
No connection
-
-
3
DAUOT
Not used
O
2.8
4
-
No connection
-
-
5
-
No connection
-
-
6
CNVSS
GND
-
0
7
-
No connection
-
-
8
-
No connection
-
-
9
/RESET
CPU reset
I
3.5
10
XOUT
Crystal oscillator terminal
O
1.7
11
VSS
GND
-
0
12
XIN
Crystal oscillator terminal
I
1.5
13
VCC
+3.3V power supply
-
3.5
14
-
(Connecting to BAT3.3V)
-
3.5
15
MDON
Startup signal
I
3.3
16
SQSY
Disk-subq-sync/ADIP-sync
I
3.2
17
XINT
Interrupt status signal
I
3.2
18
SENS
Serial BUS status
I
0.5
19
XLAT
Serial BUS latch
O
3.4
20
SCKM
Seral BUS clock
I
3.5
21-27 -
No connection
-
-
28
SON
Serial data
O
3.5
29
SIM
Serial data
I
1.0
30
SCKM
Data shift clock
I
3.5
31
-
No connection
-
-
32
MNT3
Monitor output
I
3.3
33
MNT2
Monitor output
I
3.3
34
MNT1
Monitor output
I
0
35
MNT0
Monitor output
I/O 3.3
36-40 -
No connection
-
-
41
XRST
Reset output
O
3.5
42
LD
Laser diode on/off
O
3.4
43
-
No connection
-
-
44
LV2
Servo Driver VC cont.
O
0
45
LV1
Servo Driver VC cont.
O
0
46
LD02
Servo Driver FWD
O
0
47
LD01
Servo Driver REV
O
0
48
PC2
Servo Driver MUTE2
O
3.5
49
PC1
Servo Driver MUTE1
O
3.5
50
PUL Lon
SW1/SW2/SW3 input cont.
O
0
51-57 -
No connection
-
-
58
SW3
Disc-in detection
I
3.5
59-63 -
No connection
-
-
64
SW2
Disc clamp detection
I
0
65
SW1
Disc inner detection
I
0
66-74 -
No connection
-
-
75
AVSS
GND
-
3.5
76
RF-DS Power
Servo driver power cont.
O
3.5
77
VREF
Reference voltage BAT3.3V
-
3.5
78
AVCC
Analog power supply
-
3.5
79
SRDT
Serial data
I
3.0
80
SWDT
Serial data
O
0.7
12
MAZDA / CX-BM1091F / CX-BM3091F / CX-BM6091F / CX-BM5091F / CX-BM7091F / CX-BM8191F
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