Pin
No.
Terminal
Name
I/O Function
38 P62 I Tracking servo drawing-
in signal
39 P63 I Focus servo drawing-in
signal
40 /RD O Signal for external
memory reading
operation
41 /WR O Signal for external
memory writing operation
42 /WAIT O Waiting signal at the time
of external memory
access
43 ASTB O Address clutch signal at
the time of external
memory access
44 P30 - Not used, open
45 P31 - Not used, open
46 P32 - Not used, open
47 P33 - Not used, open
48 P34 - Not used, open
49 P35 - Not used, open
50 P36 - Not used, open
51 P37 - Not used, open
52 P120 O Mechanism control
Sensor LED control
output signal
53 P121 O Thread forcible move
output
54 P122 O DSP MUTE
55 P123 O RF Amp EQ
characteristic control
output
56 P124 O Gain up for CD-RW
57 P125 O DSP IREF current change
output
58 P126 O DSP IREF current change
output
59 P127 O DISC detection output
signal
60 RESET I System reset input
terminal
61 P00 I Spindle rotation capture
trigger signal
71