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MZ-R900
Pin No.
Pin Name
I/O Description
91
DSPVDD2
—
Power supply terminal (for DSP block) (+1.5V)
92
DSPVSS1
—
Ground terminal (for DSP block)
93 SPCU I Spindle motor drive comparison signal input (U) from the motor driver (IC551)
94 SPCV I Spindle motor drive comparison signal input (V) from the motor driver (IC551)
95 SPCW I Spindle motor drive comparison signal input (W) from the motor driver (IC551)
96 SRDR O Sled servo drive PWM signal output (–) to the motor driver (IC551)
97 SFDR O Sled servo drive PWM signal output (+) to the motor driver (IC551)
98 SLDV O
Sled motor drive signal output (V) to the motor driver (IC551)/ drive control signal
output (1–)
99 SLDW O
Sled motor drive signal output (W) to the motor driver (IC551)/ drive control signal
output (2+)
100 SLCU I Spindle motor drive comparison signal input (U) from the motor driver (IC551)
101 SLCV I Spindle motor drive comparison signal input (V) from the motor driver (IC551)
102 SLCW I Spindle motor drive comparison signal input (W) from the motor driver (IC551)
103 DIFVDD1
—
Power supply terminal (for DSP I/F) (+2.3V)
104 DIFVSS1
—
Ground terminal (for DSP I/F)
105 EFMO O EFM encode data output for the record to the over write head drive (IC601)
106 MNT0 O Internal DSP monitor output (0) terminal Not used (open)
107 MNT1 O Internal DSP monitor output (1) terminal Not used (open)
108 MNT2 O Internal DSP monitor output (2) terminal Not used (open)
109 MNT3 O Internal DSP monitor output (3) terminal Not used (open)
110 SENSE O Internal DSP (SENS) monitor output terminal Not used (open)
111 TX O
Record data output enable signal output monitor terminal of the internal DSP
Not used (open)
112 RECP O Laser power changeover signal output monitor terminal Not used (open)
113 DSPVDD3
—
Power supply terminal (for DSP block) (+1.5V)
114 to
117
NC O Output terminal for the external D-RAM Not used (open)
118 DRAMVSS0
—
Ground terminal (for the external D-RAM)
119 DRAMVDD0
—
Power supply terminal (for the external D-RAM) (+2.4V)
120 to
138
NC O Output terminal for the external D-RAM Not used (open)
139 DRAMVDD1
—
Power supply terminal (for the external D-RAM) (+2.4V)
140 DRAMVSS1
—
Ground terminal (for the external D-RAM)
141 TSB MST VDD
—
Power supply terminal (for TSB master communication) (+2.8V)
142 RMC DTCK I/O TSB serial data input/output with the remote commander attached headphone
143 TSB SLV VDD
—
Power supply terminal (for I/F to TSB slave communication) (+2.3V)
144 TSB SLVI I TSB slave signal input from the remote commander attached headphone
145 TSB SLVO O TSB slave signal output from the remote commander attached headphone
146 TDI I Data input terminal for JTAG Not used (open)
147 TMS I Test mode control input terminal for JTAG Not used (open)
148 TCK I Clock input terminal for JTAG Not used (open)
149 XTRST I Reset input terminal for JTAG Not used (open)
150 TDO O Data output terminal for JTAG Not used (open)
151 JTAGVDD
—
Power supply terminal (for JTAG) (+2.4V)
152 JTAGVSS
—
Ground terminal (for JTAG)
153 MCUVDD2
—
Power supply terminal (for the microcomputer block) (+1.5V)
154 MIFVDD0
—
Power supply terminal (for the microcomputer I/F block) (+2.3V)
155 MIFVSS0
—
Ground terminal (for the microcomputer I/F block)