NTAG213F/216F
NXP Semiconductors
NFC Forum T2T IC with 144/888 bytes user memory and field detection
8.7.2.1 NFC counter mirror example
Table 15 show the memory content of a NTAG213F which has been written to the physical
memory. Without the NFC counter mirror feature, the content in the user memory would
be a URL according to the NFC Data Exchange Format (NDEF) Ref. 3 with the content:
http://www.nxp.com/index.html?m=000000
Table 15. NFC counter mirror - NTAG 213F Physical memory content
Page address
Byte number
dec.
0
hex.
0
1
2
3
2C
ASCII
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
0Ah
0Bh
0Ch
0Dh
0Eh
...
04
12
F6
E1
01
34
01
6E
63
69
78
6D
3D
30
00
E1
4C
internal
10
41
28
1
80
2
lock bytes
00
3
12
A0
20
55
70
6D
64
68
3F
30
30
00
4
03
0C
....
5
03
D1
4.(.
6
1C
78
01
.$U.
nxp.
com/
inde
x.ht
7
2E
8
6F
6E
2E
6C
30
2F
9
65
10
11
12
13
14
...
39
40
41
42
43
44
74
6D
ml?m
=000
000.
....
30
30
FE
00
00
27h
28h
29h
2Ah
2Bh
2Ch
00
00
00
00
....
dynamic lock bytes
RFUI 0C
RFUI
94
AUTH0
Access
PWD
PACK
RFUI
With the NFC counter mirror feature and the related values in the MIRROR_PAGE and
the MIRROR_BYTE the NFC counter value of e.g. 00-3F-31h will be mirrored in ASCII
code into the user memory starting in page 0Ch byte 1. The virtual memory content is
shown in Table 16.
Reading the user memory, the data will be returned as an URL according to the NFC Data
Exchange Format (NDEF) Ref. 3 with the content:
http://www.nxp.com/index.html?m=003F31
NTAG213F_216F
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2013. All rights reserved.
Product data sheet
COMPANY PUBLIC
Rev. 3.1 — 28 August 2013
262231
25 of 56
NXP [ NXP ]
