Pin No.
Pin Name
66
XLATCH
67
WRPWR
LOADING
68
SEL: L
69
L3MODE
70, 71
—
72
SCTX
73
XINT
74
REC-P
75
DQSY
76
—
77
DIGRST
78
SENS
79
MNT3
80
MNT2
81
MNT1
82
MNT0
83
SENSOR SW
84
DISK5
85
DISK1
86
DISK2
87
SCL
88
SDA
89
DISK4
90
DISK3
HEADSW-
91
DOWN
92
HEADSW-UP
93 to 95
KEY3 to KEY1
96
AVSS
97
KEY0
98
VREF
99
+3.3V
100
WMIN
76
I/O
O
Serial data latch pulse signal output to the CXD2654R (IC121)
Laser power select signal output to the CXD2654R (IC121) and HF module switch circuit
O
"L": playback mode, "H": recording mode
Setting terminal for the loading control method
I
"H": not used IN switch (fixed at "L")
O
L3 bus mode control signal output to the A/D, D/A converter (IC201)
I
Not used (fixed at "H")
Recording data output enable signal output to the CXD2654R (IC121) and over write head driver
O
(IC181) Writing data transmission timing output (Also serves as the magnetic head on/off
output)
I
Interrupt status input from the CXD2654R (IC121)
O
Detection input from the recording position detect switch (S601) "L": recording position
Digital In U-bit CD format subcode Q sync (SCOR) input from the CXD2654R (IC121)
I
"L" is input every 13.3 msec Almost all, "H" is input
I
Not used (open)
O
Reset signal output to the CXD2654R (IC121) and BH6511FS (IC152) "L": reset
I
Internal status (SENSE) input from the CXD2654R (IC121)
I
Spindle servo lock status monitor signal input from the CXD2654R (IC121)
I
Busy signal input from the CXD2654R (IC121)
I
Track jump detection signal input from the CXD2654R (IC121)
Focus OK signal input from the CXD2654R (IC121)
I
"H" is input when focus is on ("L": NG)
O
Control signal output for the sensor gain selection Not used (fixed at "L")
I
Detection input from the disc detect switch "L": disc is set Not used (fixed at "L")
I
Detection input from the disc detect switch "L": disc is set Not used (fixed at "L")
I
Detection input from the disc detect switch "L": disc is set Not used (fixed at "L")
O
Serial clock signal output to the EEPROM (IC171)
I/O
Two-way data bus with the EEPROM (IC171)
I
Detection input from the disc detect switch "L": disc is set Not used (fixed at "L")
I
Detection input from the disc detect switch "L": disc is set Not used (fixed at "L")
Detection input from the over write head down position detect switch
I
"L": down position Not used (fixed at "L")
Detection input from the over write head up position detect switch
I
"L": up position Not used (fixed at "L")
I
Key input terminal (A/D input) Not used (fixed at "H")
—
Ground terminal (for A/D converter)
I
Key input terminal (A/D input) Not used (fixed at "H")
I
Reference voltage (+3.3V) input terminal (for A/D converter)
—
Power supply terminal (+3.3V)
I
Serial data input from the equipment connected to other unit Not used (fixed at "L")
Description