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Function
Pin No.
Pin Name I/O
86
87
88
89
90
91
92
93
94
95
96 to 98
99
100
TFDR
DVDD
FFDR
FRDR
FS4
SRDR
SFDR
SPRD
SPFD
FGIN
TEST1 to TEST3
DVSS
EFMO
O
—
O
O
O
O
O
O
O
I (S)
I
—
O
Tracking servo drive PWM output (+)
+3V power supply (Digital)
Focus servo drive PWM output (+)
Focus servo drive PWM output (–)
176.4 kHz clock signal output (X’tal) (Not used)
Sled servo drive PWM output (–)
Sled servo drive PWM output (+)
Spindle servo drive PWM output (–)
Spindle servo drive PWM output (+)
Test input (Fixed at “L”)
Ground (Digital)
EFM output when recording
• Abbreviation
EFM: Eight to Fourteen Modulation