Smart Cards. ISO/IEC 14443 Basic Overview Clock Frequency: 13.56 MHz Load Frequency: 847.5 kHz Modulation Card:AM/NRZ Modulation Reader:BPSK Data Rate:106.

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Presentation transcript:

Smart Cards

ISO/IEC Basic Overview Clock Frequency: MHz Load Frequency: kHz Modulation Card:AM/NRZ Modulation Reader:BPSK Data Rate:106 kbit Communication mode:Half Duplex

ISO/IEC Diagram of the antenna loop

Type A Card 100% AM Modified Miller encoded Reader On/Off Keying Modulation Manchester encoding

Type B Card 10% AM Non-Return to Zero encoding Reader Binary Phase Shift Keying Modulation Non-Return to Zero encoding

Reader Transmission Byte Format Start of Frame End of Frame

Card Transmission

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