Datasheet

NXP Semiconductors
MF0ICU2
MIFARE Ultralight C - Contactless ticket IC
MF0ICU2 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2019. All rights reserved.
Product data sheet Rev. 3.3 — 30 July 2019
COMPANY PUBLIC 137633 17 / 36
aaa-013579
page 29h contentwrite data
counter bytes
00 00 00 00
F0 00 00 00
F1 00 00 00
00 01 00 00
0F 01 00 00
16 01 00 00
F0 00 00 00
01 00 00 00
0F 00 00 00
0F 00 00 00
07 00 00 00
0 1 2 3
Byte Nr
increment by 1
initial WRITE
increment by 15
increment by 15
increment by 7
Figure 9. Counter example
8 Command overview
The MIFARE Ultralight C card activation follows the ISO/IEC 14443 Type A. After the
MIFARE Ultralight C card has been selected, it can either be deactivated using the ISO/
IEC 14443 Halt command, or the MIFARE Ultralight C commands can be performed. For
more details about the card activation refer to Ref. 2.
8.1 MIFARE Ultralight C command overview
All available commands for the MIFARE Ultralight C are shown in Table 14. All memory
access commands are transmitted in plain, only the AUTHENTICATE command uses
3DES encryption, see Section 9.5.
Table 14. Command overview
Command ISO/IEC 14443 Command code
(hexadecimal)
Request REQA 26h (7 bit)
Wake-up WUPA 52h (7 bit)
Anticollision CL1 Anticollision CL1 93h 20h
Select CL1 Select CL1 93h 70h
Anticollision CL2 Anticollision CL2 95h 20h
Select CL2 Select CL2 95h 70h
Halt Halt 50h 00h
READ - 30h
WRITE - A2h
COMPATIBILITY WRITE - A0h
AUTHENTICATE - 1Ah
All commands use the coding and framing as described in Ref. 1 and Ref. 2 if not
otherwise specified.