NFC Tagの中身を覗いてみた

GN上でTagInfoアプリを使用してNFC Tag（中身は、MifareUltralight）の中を覗いてみた。NTAG203は、最初からNDEFにフォーマットされており、利用可能なサイズは144byteである。このTagは、20枚1200円で八重洲の店で購入したものである。








** TagInfo scan (version 1.40) 2012-06-29 00:33:58 **

# IC manufacturer:
NXP Semiconductors

# IC type:
NTAG203(F)

# NFC Forum NDEF-compliant tag:
Type 2 Tag

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# NFC data set information:
Current message size: 0 bytes
Maximum message size: 137 bytes
NFC data set access: Read & Write
Can be made Read-Only

# No NFC data set available:

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# Memory size:
168 bytes total memory
* 42 pages, with 4 bytes per page
* 144 bytes user memory (36 pages)

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# Technologies supported:
ISO/IEC 14443-3 (Type A) compatible
ISO/IEC 14443-2 (Type A) compatible

# Android technology information:
android.nfc.tech.Ndef
android.nfc.tech.MifareUltralight
android.nfc.tech.NfcA
* Maximum transceive length: 253 bytes
* Default maximum transceive time-out: 618 ms
Tag description:
* TAG: Tech [android.nfc.tech.MifareUltralight, android.nfc.tech.NfcA, android.nfc.tech.Ndef]

# Detailed protocol information:

ATQA: 0x4400
SAK: 0x00

# Memory content:
[00] *
[01] *
[02] .  61 48 00:00 (BCC1, INT, LOCK0-LOCK1)
[03] .  E1:10:12:00 (OTP0-OTP3)
[04] .  01 03 A0 10 |....|
[05] .  44 03 00 FE |D...|
[06] .  00 00 00 00 |....|
[07] .  00 00 00 00 |....|
[08] .  00 00 00 00 |....|
[09] .  00 00 00 00 |....|
[0A] .  00 00 00 00 |....|
[0B] .  00 00 00 00 |....|
[0C] .  00 00 00 00 |....|
[0D] .  00 00 00 00 |....|
[0E] .  00 00 00 00 |....|
[0F] .  00 00 00 00 |....|
[10] .  00 00 00 00 |....|
[11] .  00 00 00 00 |....|
[12] .  00 00 00 00 |....|
[13] .  00 00 00 00 |....|
[14] .  00 00 00 00 |....|
[15] .  00 00 00 00 |....|
[16] .  00 00 00 00 |....|
[17] .  00 00 00 00 |....|
[18] .  00 00 00 00 |....|
[19] .  00 00 00 00 |....|
[1A] .  00 00 00 00 |....|
[1B] .  00 00 00 00 |....|
[1C] .  00 00 00 00 |....|
[1D] .  00 00 00 00 |....|
[1E] .  00 00 00 00 |....|
[1F] .  00 00 00 00 |....|
[20] .  00 00 00 00 |....|
[21] .  00 00 00 00 |....|
[22] .  00 00 00 00 |....|
[23] .  00 00 00 00 |....|
[24] .  00 00 00 00 |....|
[25] .  00 00 00 00 |....|
[26] .  00 00 00 00 |....|
[27] .  00 00 00 00 |....|
[28] .  00 00 -- -- (LOCK2-LOCK3)
[29] .  00 00 -- -- (CNT0-CNT1, value: 0)

  *:locked & blocked, x:locked,
  +:blocked, .:un(b)locked

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