— 27 —
Pin Name
XRST
DIRC
SCLK
DFSW
ATSK
DATA
XLAT
CLOK
COUT
DV
DD
MIRR
DFCT
FOK
FSW
MON
NDP
MDS
LOCK
SSTP
SFDR
Pin No.
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
I/O
I
I
I
I
I
I
I
I
O
—
O
O
O
O
O
O
O
O
I
O
Function
System reset
Used in 1-track jump mode (+5v)
SENS serial data read-out clock
DFCT selection pin (Ground)
Input pin for anti-shock (Ground)
Serial data input, supplied from CPU
Latch input, supplied from CPU
Serial data transfer clock input, supplied from CPU
Numbers of track counted signal output (Not used)
Digital power supply
Mirror signal output
Defect signal output
Focus OK output
Output to select spindle motor output filter (Not used)
Output to control ON/OFF of spindle motor (Not used)
Output to control spindle motor servo
Output to control spindle motor servo (Not used)
GFS is sampled by 460 Hz. H when GFS is H (Not used)
Input signal to detect disc inner most track
Sled drive output
