Pin No. | Pin Name | I/O | Function | |
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86 | TFDR | O | Tracking servo drive PWM output (+) | |
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87 | DVDD | — | +3V power supply (Digital) | |
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88 | FFDR | O | Focus servo drive PWM output (+) | |
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89 | FRDR | O | Focus servo drive PWM output | |
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90 | FS4 | O | 176.4 kHz clock signal output (X’tal) (Not used) | |
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91 | SRDR | O | Sled servo drive PWM output | |
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92 | SFDR | O | Sled servo drive PWM output (+) | |
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93 | SPRD | O | Spindle servo drive PWM output | |
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94 | SPFD | O | Spindle servo drive PWM output (+) | |
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95 | FGIN | I (S) | Test input (Fixed at “L”) | |
96 to 98 | TEST1 to TEST3 | I | ||
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99 | DVSS | — | Ground (Digital) | |
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100 | EFMO | O | EFM output when recording | |
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• Abbreviation
EFM: Eight to Fourteen Modulation
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