– 31 –
Pin No.
Pin Name
I/O
Description
99
ADFG
I
ADIP duplex FM signal (22.05 kHz
±
1 kHz) input from the CXA2523ATQ (IC501)
100
VDIO2
—
Power supply terminal (+2.2V) (for I/O cell)
101
VSIO2
—
Ground terminal (for I/O cell)
102
F0CNT
O
Center frequency control signal output terminal of internal circuit (BPF22, BPF3T, EQ) output to
the CXA2523ATQ (IC501)
103
XLRF
O
Serial latch signal output to the CXA2523ATQ (IC501)
104
CKRF
O
Serial clock signal output to the CXA2523ATQ (IC501)
105
DTRF
O
Writing data output to the CXA2523ATQ (IC501)
106
APCREF
O
Control signal output to the reference voltage generator circuit for the laser automatic power
control
107
LDDR
O
PWM signal output for the laser automatic power control Not used (open)
108
VDC4
—
Power supply terminal (+2V) (for internal logic)
109
TRDR
O
Tracking servo drive PWM signal (–) output to the MPC17A55VF (IC551)
110
TFDR
O
Tracking servo drive PWM signal (+) output to the MPC17A55VF (IC551)
111
FFDR
O
Focus servo drive PWM signal (+) output to the MPC17A55VF (IC551)
112
FRDR
O
Focus servo drive PWM signal (–) output to the MPC17A55VF (IC551)
113
FS4
O
Clock signal (176.4 kHz) output to the MPC1830ADTB (IC901) (X' tal system)
114
SRDR
O
Sled servo drive PWM signal (–) output terminal Not used (open)
115
SFDR
O
Sled servo drive PWM signal (+) output terminal Not used (open)
116
VSC4
—
Ground terminal (for internal logic)
117
SPRD
O
Spindle servo drive PWM signal (–) output terminal Not used (open)
118
SPFD
O
Spindle servo drive PWM signal (+) output terminal Not used (open)
119
FGIN
I
FG signal input terminal for spindle servo
120 to 122 TEST1 to TEST3
I
Input terminal for the test (normally : fixed at “L”)
123
MTFLGR
O
Muting applied to analog signal input in non-signal status causes the signal to be “H”
automatically Not used
124
SPVS
O
Spindle servo drive voltage control signal output to the MPC17A55VF (IC551)
125
VDI03
—
Power supply terminal (+2.2V) (for I/O cell)
126
VSI03
—
Ground terminal (for I/O cell)
127
SPDU
O
Spindle servo (U) drive signal output to the MPC17A55VF (IC551)
128
SPDV
O
Spindle servo (V) drive signal output to the MPC17A55VF (IC551)
129
SPDW
O
Spindle servo (W) drive signal output to the MPC17A55VF (IC551)
130
SPCU
I
Spindle servo (U) timing signal input from the MPC17A55VF (IC551)
131
SPCV
I
Spindle servo (V) timing signal input from the MPC17A55VF (IC551)
132
SPCW
I
Spindle servo (W) timing signal input from the MPC17A55VF (IC551)
133
SLDU
O
Sled servo (U) drive signal output to the MPC17A55VF (IC551)
134
SLDV
O
Sled servo (V) drive signal output to the MPC17A55VF (IC551)
135
SLDW
O
Sled servo (W) drive signal output to the MPC17A55VF (IC551)
136
VDC5
—
Power supply terminal (+2V) (for internal logic)
137
VSC5
—
Ground terminal (for internal logic)
138
SLCU
I
Sled servo (U) timing signal input from the MPC17A55VF (IC551)
139
SLCV
I
Sled servo (V) timing signal input from the MPC17A55VF (IC551)
140
SLCW
I
Sled servo (W) timing signal input from the MPC17A55VF (IC551)
141
SLVS
O
Sled servo voltage control signal output to the MPC17A55VF (IC551)
142
BYPS
O
By-pass transistor control signal output terminal for the sled drive power supply
143
DVSS0
—
Ground terminal (for internal 16M bit D-RAM)
Summary of Contents for MZ-E80
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