2012年9月5日 星期三

[NFC] Technique



Nexus 7, Nexus S, Galaxy Nexus, Nexus Q, Samsung Galaxy S3, HTC One X contains the same NFC chip (PN544 by NXP Semiconductors).
MIFARE Classic is a technology by NXP, so it is supported by NXP's NFC chips

Blackberry contains an NFC chip by a different manufacturer so can't read NXP MIFARE Tag.

 Based on NFC Forum, list tag types:



  • Tag 1 Type: e.g. Broadcom's Topaz/Jewel
  • Tag 2 Type: e.g. NXP's MIFARE Ultralight (incl. Ultralight C) or NTAG203
  • Tag 3 Type: e.g. Sony's FeliCa chips (e.g. FeliCa Lite)
  • Tag 4 Type: e.g. NXP's MIFARE DESFire
NFC devices can operate in three different modes based on the ISO/IEC 18092, NFC IP-1 and ISO/IEC 14443 contactless smart card standards.


  1. Read / Write: NFC enabled phone can read or write data to any of the supported tag types in a standard NFC data format.
  2. Peer to peer: Two NFC-enabled devices can exchange data. Peer-to-Peer mode is standardized on the ISO/IEC 18092 standard.
  3. Card emulation: An NFC-enabled phone acts as reader when in contact with tags or act as a tag  for existing readers.
NFC devices:
Blackberry Bold 9900
HTC One X
LG Prada 3.0
LG Optimus Vu
Samsung Galaxy Nexus
Samsung Galaxy Note
Samsung Galaxy S II HD LTE
Samsung Galaxy S III
Samsung Galaxy S III LTE
Sony Xperia S
Sony Xperia acro S
Sony Xperia P
Sony Xperia sola
Sony Xperia ion
Asus Nexus 7



References:

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