Pin No. | Pin Name | I/O | Pin Description |
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108 | VDC4 | — | Power supply terminal (+1.8 V) (for internal logic) |
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109 | TRDR | O | Tracking servo drive PWM signal | ||
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110 | TFDR | O | Tracking servo drive PWM signal (+) output to the MPC17A56FTA (IC601) | ||
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111 | FFDR | O | Focus servo drive PWM signal (+) output to the MPC17A56FTA (IC601) | ||
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112 | FRDR | O | Focus servo drive PWM signal | ||
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113 | FS4 | O | Clock signal (176.4 kHz) output to the MPC18A21MTB (IC603) (X' tal system) | ||
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114 | SRDR | O | Sled servo drive PWM signal | Not used (open) | |
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115 | SFDR | O | Sled servo drive PWM signal (+) output terminal | Not used (open) | |
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116 | VSC4 | — | Ground terminal (for internal logic) |
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117 | SPRD | O | Spindle servo drive PWM signal | Not used (open) | |
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118 | SPFD | O | Spindle servo drive PWM signal (+) output terminal | Not used (open) | |
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119 | FGIN | I | FG signal input terminal for spindle servo Not used (open) | ||
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120 to 122 | TEST1 to TEST3 | I | Input terminal for the test (normally : fixed at “L”) |
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123 | EFMO | O | EFM signal output when recording mode to the MPC18A21MTB (IC603) | ||
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124 | SPVS | O | Spindle servo drive voltage control signal output to the MPC17A56FTA (IC601) | ||
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125 | VDIO3 | — | Power supply terminal (+2.4 V) (for I/O) |
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126 | VSIO3 | — | Ground terminal (for I/O) |
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127 | SPDU | O | Spindle servo (U) drive signal output to the MPC17A56FTA (IC601) | ||
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128 | SPDV | O | Spindle servo (V) drive signal output to the MPC17A56FTA (IC601) | ||
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129 | SPDW | O | Spindle servo (W) drive signal output to the MPC17A56FTA (IC601) | ||
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130 | SPCU | I | Spindle servo (U) timing signal input from the MPC17A56FTA (IC601) | ||
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131 | SPCV | I | Spindle servo (V) timing signal input from the MPC17A56FTA (IC601) | ||
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132 | SPCW | I | Spindle servo (W) timing signal input from the MPC17A56FTA (IC601) | ||
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133 | SLDU | O | Sled servo (U) drive signal output to the MPC17A56FTA (IC601) | ||
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134 | SLDV | O | Sled servo (V) drive signal output to the MPC17A56FTA (IC601) | ||
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135 | SLDW | O | Sled servo (W) drive signal output to the MPC17A56FTA (IC601) | ||
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136 | VDC5 | — | Power supply terminal (+1.8 V) (for internal logic) |
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137 | VSC5 | — | Ground terminal (for internal logic) |
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138 | SLCU | I | Sled servo (U) timing signal input from the MPC17A56FTA (IC601) | ||
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139 | SLCV | I | Sled servo (V) timing signal input from the MPC17A56FTA (IC601) | ||
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140 | SLCW | I | Sled servo (W) timing signal input from the MPC17A56FTA (IC601) | ||
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141 | SLVS | O | Sled servo voltage control signal output to the MPC17A56FTA (IC601) | ||
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142 | BYPS | O | |||
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143 | VSSDRAM | — | Ground terminal (for internal 16M bit |
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144 | VDDDRAM | — | Power supply terminal (+2.4 V) (for internal 16M bit | ||
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