MDS-NT1
Pin No. | Pin Name | I/O | Description | |
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100 | APC | O | Reference PWM signal output to the RF amplifier for the laser automatic power control | |
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101 | LDDR | O | PWM signal output terminal for laser digital automatic power control Not used | |
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102 | TRDR | O | Tracking servo drive PWM signal | |
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103 | TFDR | O | Tracking servo drive PWM signal (+) output | |
104 | FFDR | O | Focus servo drive PWM signal (+) output | |
105 | FRDR | O | Focus servo drive PWM signal | |
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106 | FS4 | O | Clock signal (176.4 kHz) output terminal (X’tal system) Not used | |
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107 | SRDR | O | Sled servo drive PWM signal | |
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108 | SFDR | O | Sled servo drive PWM signal (+) output | |
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109 | SPRD | O | Spindle servo drive PWM signal | |
110 | SPFD | O | Spindle servo drive PWM signal (+) output | |
111 | FGIN | I | FG input terminal for spindle servo Not used | |
112 to 114 | TST1 to TST3 | I | Input terminal for the test | |
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115 | EFMO | O | EFM signal output terminal when recording mode “L” is output when playback mode | |
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116 | VDIO1 | — | Power supply terminal (+3.3V) (for I/O) | |
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117 | VSIO1 | — | Ground terminal (for I/O) | |
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118 | VDC4 | — | Power supply terminal (+2.5V) (for core) | |
119 | VSC4 | — | Ground terminal (for core) | |
120 | MDDT1 | I | MD data mode selection signal input terminal | |
“L”: normal mode, “H”: MD data mode (fixed at “L” in this set) | ||||
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