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ISO/IEC 15693 standard. J.-D. Chatelain. ISO/IEC 15693 Communication softwares between operator’s console and TAG. Commands between operator’s console and RWM. Commands between RWM and TAG. Read/Write Module. TAG. Operator’s console. ISO/IEC 15693. ISO/IEC 15693

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ISO/IEC 15693 standard

J.-D. Chatelain


ISO/IEC 15693

Communication softwares

between operator’s console and TAG

Commands

between

operator’s console and RWM

Commands

between

RWM and TAG

Read/Write Module

TAG

Operator’s console

ISO/IEC 15693


ISO/IEC 15693

Communication interface RWM to TAG

  • Carrier frequency: 13.56 MHz ± 7kHz

  • ASK modulation 100%

and 10%


ISO/IEC 15693

Coding the information

Two types of coding are supported by the transponders

fully compliant with ISO 15693:

1 out of 256: one byte is coded at a time

Example: coding 197 = <C5> = 11000101

time


ISO/IEC 15693

Coding the information

1 out of 4: two bits are coded at a time

00

01

10

11

Example: coding 197 = <C5> = 11000101

time


ISO/IEC 15693

Start Of Frame (SOF) - End Of Frame (EOF)

Start of frame sequence to select

the « 1 out of 256 » coding mode

Start of frame sequence to select

the « 1 out of 4 » coding mode

End of frame sequence

for both coding modes


ISO/IEC 15693

Communication interface TAG to RWM

  • Load modulation amplitude: minimum 10 mV

  • Subcarriers

  • Data rates


ISO/IEC 15693

Bit coding

Single subcarrier

Dual subcarrier

“0”

“1”


ISO/IEC 15693

Start Of Frame (SOF)

End Of Frame (EOF)

Single subcarrier

Dual subcarrier

SOF

EOF


ISO/IEC 15693

Commands supported by the tag


ISO/IEC 15693 standard

End of this chapter

J.-D. Chatelain


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