52
Pin No.
Pin Name
I/O
Function
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
PB-P
REC/PB
+3.3V
NC
GND
SDA
MNT3 (SLOCK)
WR PWR
PROTECT
REFLECT
LDON
SENS
NMT1 (SHOCK)
DIG-RST
MNT2 (XBUSY)
XLATCH
MOD
LIMIT-IN
MNT0 (FOK)
SCL
SCTX
CLKSET0
CLKSET1
LED0
LED1
OPT DEL
OPT SEL
MODE SEL 0
MODE SEL 1
REC
BEEP SW
NC
NC
KEY 3
KEY 2
KEY 1
AVSS
KEY0
VREF
+3.3V
MONO/ST
I
O
—
O
—
I/O
I
O
I
I
O
I
I
O
I
O
O
I
I
O
O
I
I
O
O
O
O
I
O
O
O
I
I
I
I
I
—
I
—
—
I
Detection signal input from the playback position detection switch
Not used
Write: “H”
+3.3V power supply
Not used (Fixed at “L”)
Ground
Data signal input/output pin with the backup memory
In the state of spindle servo lock from the CXD2564R
Write power ON/OFF output
Recording-protection claw detection input from the protection detection switch
Protect: “H”
Disk reflection rate detection input from the reflect detection switch
Disk with low reflection rate: “H”
Laser ON/OFF control output
“H”: Laser ON
Internal status (SENSE) input from the CXD2654R
Track jump signal input from the CXD2654R
Digital rest signal output to the CXD2654R and motor driver
Reset: “L”
In the state of executive command from the CXD2654R
Latch signal output to the serial bus
Laser modulation switching signal output
Detection input from the limit switch
Sled limit-In: “L”
Focus OK signal input from the CXD26504R
“H” is input when focus is on
Clock signal output to the backup memory
Writing data transmission timing output to the CXD2654R
Shared with the magnetic head ON/OFF output
Clock destination select pin
US, Canadian: “L”, Except US, Canadian :“H”
Clock destination select pin
US, Canadian: “H”, Except US, Canadian :“L”
Not used
Beep switch
Not used
Key input pin (A/D input)
Ground (Analog)
Key input pin (A/D input)
A/D reference voltage (Fixed at “H”)
+3.3V power supply
Monaural, stereo change input
Monaural: “L”
