38
MDS-JB980
47
EEP-WP
O
EEP-ROM write protect signal output
L: write possibility
48
XBUSY
I
In the state of executive command from the CXD2664R (IC201)
49
OUT-SW
I
Detection signal input from the loading out detection switch (S103)
50
XLATCH
O
Latch signal output
51
PLAY-SW
I
Detection signal input from the playback position detection switch (S104)
L: PLAY
52
DIG-RST
O
Digital rest signal output to the CXD2664R (IC201) and motor driver (IC401)
53
REC-SW
I
Detection signal input from the recording position detection switch (S105)
L: REC
54
WR PWR
O
Laser power ON/OFF output
55
LIMIT-IN
I
Detection input from the limit switch (S101)
L: Sled limit-In, H: Sled limit-Out
56
MOD
O
Laser modulation switching signal output
57
LDON
O
Laser ON/OFF control output
58
SENS
I
Internal status (SENSE) input from the CXD2664R (IC201)
59
SHOCK
I
Track jump signal input from the CXD2664R (IC201)
60
SDA
I/O
Serial data input/output pin with the EEP-ROM (IC195)
61
REFLECT
I
Disk reflection rate detection input from the reflect detection switch
H: Disk with low reflection rate
62
VCC
—
Power supply pin (+3 V)
63
NC
O
Not used. (Open)
64
GND
—
Ground pin
65
LOAD LO
O
Loading motor voltage control signal output
66
LOAD OUT
O
Loading motor control signal output
H: eject
67
LOAD IN
O
Loading motor control signal output
H: loading
68 to 71
MODEL SEL 0 to 3
O
Not used. (Open)
72 to 74
NC
O
Not used. (Open)
75
UNIT
I
Interrupt signal input from UNICORN NETMD-USB I/F
76
UCS
O
Chip select signal output to UNICORN NETMD-USB I/F
77
URESET
O
Reset signal output to UNICORN NETMD-USB I/F
78
UPLLSW
O
PLL ON/OFF signal output to UNICORN NETMD-USB I/F
79
UVBUS3.3
I
V bus voltage input from UNICORN NETMD-USB I/F
80
SELECT
O
UNICORN optical input select signal output
81
STB
O
Strobe signal output to the power supply circuit
H: Power supply ON, L: standby
82
BEEP SW
O
Not used. (Open)
83
REC
O
Not used. (Open)
84
FLCS
O
Chip select signal output to the display driver (IC771)
85, 86
D.VOL0,1
O
Recording level signal output to REC LEVEL volume switch (RV760)
87, 88
JOG0, JOG1
I
Jog dial pulse input from the rotary encoder (S713)
89
IOP
I
Optical Pick-up voltage (current) detect signal input
90
DISTINATION
I
Model discrimination
91
MODEL SEL
I
Model discrimination
92
TIMER
I
Timer select signal input from timer select switch (S751)
93 to 95
KEY3 to 1
I
Key input pin (A/D input)
96
AVSS
—
Ground pin
97
KEY0
I
Key input pin (A/D input)
98
VREF
I
A/D reference voltage (Fixed at “H”.)
99
AVCC
—
Power supply pin (+3 V)
100
NC
I
Not used. (Fixed at “L”.)
Description
Pin Name
Pin No.
I/O
