TC9457F 2002-10-21 1 TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC9457F Firmware Built In Digital Servo The TC9457F is a firmwa
TC9457F 2002-10-21 10Maximum Ratings (Ta = 25°C) Characteristics Symbol Rating Unit Power supply voltage VDD −0.3~6.0 V Input voltage VIN −0.3~VDD
TC9457F 2002-10-21 11VDD (CD unit power supply) Characteristics Symbol TestCircuitTest Condition Min Typ. Max UnitOperating supply voltage VDD ―
TC9457F 2002-10-21 12I/O Ports (P1-0 to P4-3) Characteristics Symbol TestCircuitTest Condition Min Typ. Max UnitHigh level IOH3 ― VOH = 4.5 V −1
TC9457F 2002-10-21 13DOUT, SBSY, SBOK, SEL, HSO, SPCK, SPDA, COFS Outputs Characteristics Symbol TestCircuitTest Condition Min Typ. Max UnitHigh
TC9457F 2002-10-21 14Package Dimensions Weight: 1.6 g (typ.)
TC9457F 2002-10-21 15 · TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices i
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TC9457F 2002-10-21 2· CD digital servo system · Capable of decoding text data. · Sure and reliable sync pattern detection, sync signal protection,
TC9457F 2002-10-21 3Pin Connection Diagram
TC9457F 2002-10-21 4Block Diagram
TC9457F 2002-10-21 5Description Of Pin Function Pin No. Symbol Pin Name Function And Operation Remarks 1~10 S1/OT5 ~ S10/OT14 LCD segment outputs
TC9457F 2002-10-21 6Pin No. Symbol Pin Name Function And Operation Remarks 25 26~28 29 P3-0/DCREF P3-1/ADIN1 ~ P3-3/ADIN3 P4
TC9457F 2002-10-21 7Pin No. Symbol Pin Name Function And Operation Remarks 45 SBOK Subcode Q data CRCC determination result output pin. It outputs
TC9457F 2002-10-21 8Pin No. Symbol Pin Name Function And Operation Remarks 74 SEL APC circuit on/off signal output pin. When laser is on, this pin
TC9457F 2002-10-21 9Pin No. Symbol Pin Name Function And Operation Remarks 92 INTR External interrupt input External interrupt input pin. When the
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