NFC Briefing – Quick notes
By: Date: 2021-05-04 Categories: Note 標籤:
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Main Stream Card Type

Type Standard Storage Storage (Extend) Max Speed Remark
Tag 1 ISO14443A 96 bytes 2k bytes 106 kbs  
Tag 2 ISO14443A 48 bytes 2kbytes 106 kbs  
Tag 3 Sony FeliCa 2k bytes   212 kbs Response time: 0.1s
(Others: 0.3 ~ 0.7s)
Tag 4 ISO1443A/B 32k bytes   424 kbs  

Main Stream Card Vendor

  • NXP (Philips)
    • MIFARE
    • NFC
  • Inside Secure
  • ST
  • Sony

 

Card Type Standards

Standard Max Distance
ISO 14443 1 m
ISO 15693 10 cm
ISO 10535 2 mm

Card Specification

MIFARE

Card Types

Data Structure

  • Data Storage Blocks
    • 16 sectors, each sector has 4 blocks, each block has 16 bytes in storage –> 16 x 4 x 16 = 1024 bytes
    • 2 keys (Key A, Key B) and Access bit are saved in the last block of each section
    • Manufacturer code (read only)- sector 0, block 0

Felica


iCLASS

  • iCLASS SEOS: No CSN to providing traceable identifier
  • iCLASS SE:

Terminology

  • CSN: Card Serial Number
  • PACS: Physical Access Control Solution
  • CCID: Chip Card Interface Device
    • USB protocol that allows a smartcard to be connected to a computer via a card reader using a standard USB interface

Comparison to RFID

Attributes NFC RFID
Frequency 13.56 MHz LF: 125 KHz – 135 KHz
HF: 13.56 MHz
UHF 860MHz-960MHz
Operating mode – Reader/writer
– Card Emulation
– P2P
(switchable)
– Reader
– Card
(un-switchable)

 

 

Reference

https://www.digitimes.com.tw/iot/article.asp?cat=130&id=129338

https://blog.csdn.net/baidu_40808339/article/details/108545001

https://www.hidglobal.com/doclib/files/resource_files/5127-902-e.3-omnikey-5x27ck-keyboard-wedge-user-guide.pdf

 

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