45
MZ-NH900
Pin No.
Pin Name
I/O
Description
146
VREFL
I
Reference voltage terminal connected to the capacitor (for the built-in D/A converter L-CH)
Not used
147
AOUTL
O
Built-in D/A converter L-CH signal output Not used
148
AOUTR
O
Built-in D/A converter R-CH signal output Not used
149
VREFR
I
Reference voltage terminal connected to the capacitor (for the built-in D/A converter R-CH)
Not used
150
DCLSOUTR
O
PWM modulator signal output to the headphone amplifier (R-CH)
151
DCLSOUTL
O
PWM modulator signal output to the headphone amplifier (L-CH)
152
RTCK
—
Not used
153
ADFG
I
ADIP duplex FM signal (22.05
±
1kHz) input from the RF amplifier
154
TRDR
O
Tracking servo drive PWM signal output (–) to the coil driver
155
TFDR
O
Tracking servo drive PWM signal output (+) to the coil driver
156
FFDR
O
Focus servo drive PWM signal output (+) to the coil driver
157
FRDR
O
Focus servo drive PWM signal output (–) to the coil driver
158
FS4
O
176.4 kHz clock signal output
159
SFDR
O
Sled servo drive PWM signal output to the motor driver
160
SPRD
O
Spindle motor drive control signal output (U) to the motor driver
161
SPFD
O
Spindle servo drive PWM signal output to the motor driver
162
SPDV
O
Spindle motor drive control signal output (V) to the motor driver
163
SPDW
O
Spindle motor drive control signal output (W) to the motor driver
164
SPCU
I
Spindle motor drive comparison signal input (U) from the motor driver
165
SPCV
I
Spindle motor drive comparison signal input (V) from the motor driver
166
SPCW
I
Spindle motor drive comparison signal input (W) from the motor driver
167
SLDV
O
Sled motor drive control signal output (V) to the motor driver
168
SLDW
O
Sled motor drive control signal output (W) to the motor driver
169
SLCU
I
Sled motor drive comparison signal input (U) from the motor driver
170
SLCV
I
Sled motor drive comparison signal input (V) from the motor driver
171
SLCW
I
Sled motor drive comparison signal input (W) from the motor driver
172
SRDR
O
Sled motor drive control signal output (U) to the motor driver
173
DIN
I
Digital audio signal input terminal
174
FS256_OUT
O
11.2896 MHz clock output
175
CHOPPERCLK
O
Clock signal output for chopper
176 to 179
MNT0 to MNT3
O
Monitor output for DSP
180
OFTRK
I/O
Tracking signal input/output for MD3
181
RECP
O
Laser power changeover signal output
182
EFMO
O
EFM encode data output for the record
183
PAUSE_KEY
I
Pause key input terminal
184
PROTECT
I
Recording protector detection input for normal disc
185
OPT_DET
I
Optical digital input plug detection input terminal “H”: optical in
186
XJACK_DET
I
Line input plug detection input terminal “L”: plug in
187
XMIC_DET
I
Microphone input plug detection input terminal “L”: plug in
188
OPEN_CLOSE
_SW
I
Open switch input terminal
189
XCS_ADC
O
Chip select signal output for A/D converter
190
XPD_ADC
O
Power control signal output for A/D converter
191
NC
—
Not used
192
XRST_LCD
O
Reset signal output for the LCD module
Summary of Contents for Walkman MZ-MH900
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