Near Field Communication Wired Interface (NFC–WI)
2nd edition (June 2012)
This Ecma Standard specifies the digital wire interface between a Transceiver and a Front-end. The specification includes the signal wires, binary signals, the state diagrams and the bit encodings for three data rates. See also companion Front-end configuration (NFC-FEC) standard.
The following file can be freely downloaded:
||Acrobat (r) PDF file
This Ecma publication is also approved as ISO/IEC 28361,
freely available here .
The previous replaced "historical" edition of this Ecma Standard is available here.