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Pin No.
Pin Name
81
XRST
82
DIRC
83
SCLK
84
DFSW
85
ATSK
86
DATA
87
XLAT
88
CLOK
89
COUT
90
DVDD
91
MIRR
92
DFCT
93
FOK
94
FSW
95
MON
96
MDP
97
MDS
98
LOCK
99
SSTP
100
SFDR
• Abbreviation
GFS: Guard Frame Sync
I/O
I
System reset
I
Used in 1-track jump mode (Connected to +5v)
I
SENS serial data read-out clock
I
Defect selection pin (Connected to Ground)
I
Input pin for anti-shock (Connected to Ground)
I
Serial data input, supplied from CPU
I
Latch input, supplied from CPU
I
Serial data transfer clock input, supplied from CPU
O
Numbers of track counted signal output (Open)
–
Digital power supply
O
Mirror signal output (Open)
O
Defect signal output (Open)
O
Focus OK output (Open)
O
Output to select spindle motor output filter (Open)
O
Output to control ON/OFF of spindle motor (Open)
O
Output to control spindle motor servo
O
Output to control spindle motor servo (Open)
O
GFS is sampled by 460 Hz. H when GFS is H (Open)
I
Input signal to detect disc inner most track
O
Sled drive output
— 24 —
Function
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