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Interface - Specialized


The ST8024CDR is a complete low cost analog interface for asynchronous 3 V and 5 V smart cards. It can be placed between the card and the microcontroller with few external components to perform all supply protection and control functions. ST8024 is a direct replacement of ST8004. ST8024CDR Features • Designed to be compatible with the NDS conditional access system• IC card interface• 3 or 5 V supply for the IC (VDD and GND)• Three specifically protected half-duplex bidirectional buffered I/O lines to card contacts C4, C7 and C8• DC-DC converter for VCC generation separately powered from a 5 V ± 20% supply (VDDP and PGND)

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