Quickcool Radio modules KEYFOB-MF1K-02PVC-WHEP Data Sheet

Product codes
KEYFOB-MF1K-02PVC-WHEP
Page of 39
MF1S50YYX
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2011. All rights reserved.
Product data sheet
COMPANY PUBLIC
Rev. 3.0 — 2 May 2011
196330 
21 of 39
NXP Semiconductors
MF1S50yyX
MIFARE Classic 1K - Mainstream contactless smart card IC
11. MIFARE Classic commands
11.1 MIFARE Authentication
The MIFARE authentication is a 3-pass mutual authentication which needs two pairs of 
command-response. These two parts, MIFARE authentication part 1 and part 2 are shown 
in 
 an
.
 shows the required timing.
 
 
 
Fig 13. MIFARE Authentication part 1
Fig 14. MIFARE Authentication part 2
Table 17.
MIFARE authentication command
Name
Code
Description
Length
Auth (with Key A)
60h
Authentication with Key A
1 byte
Auth (with Key B)
61h
Authentication with Key B
1 byte
Addr
-
MIFARE Block address (00h to FFh)
1 byte
CRC
-
CRC according to 
2 bytes
Token RB
-
Challenge 1 (Random Number)
4 bytes
Token AB
-
Challenge 2 (encrypted data)
8 bytes
Token BA
-
Challenge 2 (encrypted data)
4 bytes
NAK
see 
4-bit
001aan004
CRC
Addr
PCD
Auth
Token RB
PICC ,,ACK''
368 
μs
359 
μs
PICC ,,NAK''
NAK
Time out
T
TimeOut
T
NAK
T
ACK
59 
μs
T
TimeOut
T
ACK
Token AB
708 µs
Token BA
PCD
PICC `ACK`
TimeOut
359 µs
001aan917