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