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Single Wire Protocol

From Wikipedia, the free encyclopedia

The Single Wire Protocol (SWP) is a specification for a single-wire connection between the SIM card and a near field communication (NFC) chip in a cell phone. It was under final review by the European Telecommunications Standards Institute (ETSI)[when?].[1][2]

SWP is an interface between contactless frontend (CLF) and universal integrated circuit card (UICC/SIM card chip). It is a contact-based protocol that is used for contactless communication. C6 pin of UICC is connected to CLF for SWP support. It is a bit-oriented full duplex protocol, i.e. at the same time transmission as well as reception is possible. CLF acts as a master and UICC as a slave. CLF provides the UICC with energy, a transmission clock, data, and a signal for bus management. The data to be transmitted are represented by the binary states of voltage and current on the single wire.

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Transcription

See also

Sources

  1. ETSI SCP Activity Report 2007.[3]
  2. The Register, The future of the SIM hangs by a single Wire 2008.[4]
  3. GSM Association: Requirements For SWP NFC Handsets V2 2008.[5]
  4. Fast Company: Nokia's 2011 Smartphones Have Built-In Wireless Payment Tech: Take That, Apple![6]

References

  1. ^ ETSI TS 102 613 V.11.0.0 - UICC-CLF Interface; Part 1: Physical and data link layer characteristics (Release 11), 2011-09
  2. ^ ETSI TS 102 622 V.12.1.0 - UICC-CLF Interface; Host Controller Interface (HCI)m 2014-10 (Release 12)
  3. ^ "SCP Activity Report 2007". 7 July 2008.
  4. ^ "The future of the SIM hangs by a single wire". The Register.
  5. ^ "Archived copy" (PDF). www.gsmworld.com. Archived from the original (PDF) on 30 December 2008. Retrieved 22 May 2022.{{cite web}}: CS1 maint: archived copy as title (link)
  6. ^ "Nokia's 2011 Smartphones Have Built-In Wireless Payment Tech: Take That, Apple!". 18 June 2010.


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This page was last edited on 7 May 2024, at 07:09
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