Quickcool Radio modules KEYFOB-MF1K-03ABS-BU Data Sheet
Product codes
KEYFOB-MF1K-03ABS-BU
MF1S50YYX
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© NXP B.V. 2011. All rights reserved.
Product data sheet
COMPANY PUBLIC
COMPANY PUBLIC
Rev. 3.0 — 2 May 2011
196330
20 of 39
NXP Semiconductors
MF1S50yyX
MIFARE Classic 1K - Mainstream contactless smart card IC
10.1.3 Authentication
During the authentication process, 4-byte of the UID are passed on to the MIFARE Classic
Authenticate command of the contactless reader IC. Depending on the activation
sequence, those 4-byte are chosen differently.
Authenticate command of the contactless reader IC. Depending on the activation
sequence, those 4-byte are chosen differently.
10.2 4-byte UID Operation
All MF1S503yXDyy products are featuring a 4-byte NUID. This 4-byte NUID is stored in
block 0 of sector 0 as shown in
block 0 of sector 0 as shown in
10.2.1 Anti-collision and Selection
The anti-collision and selection process for the product variants featuring 4-byte NUIDs is
done according to ISO/IEC 14443-3 Type A using cascade level 1 only.
done according to ISO/IEC 14443-3 Type A using cascade level 1 only.
10.2.2 Authentication
The input parameter to the MIFARE Classic Authenticate command is the full 4-byte UID
retrieved during the anti-collision procedure. This is the same as for the activation
Sequence 3 in the 7-byte UID variant.
retrieved during the anti-collision procedure. This is the same as for the activation
Sequence 3 in the 7-byte UID variant.
Table 15.
Available activation sequences for 7-byte UID options
UID Functionality
Available Activation Sequences
UIDF0
Sequence 1
UIDF1
Sequence 1, Sequence 2
UIDF2
Sequence 3
UIDF3
Sequence 3
Table 16.
Input parameter to MIFARE Classic Authenticate
UID Functionality
Input to MIFARE Classic Authenticate Command
Sequence 1
CL2 bytes (UID3...UID6)
Sequence 2
CL1 bytes (CT, UID0...UID2)
Sequence 3
4-byte NUID/RID (UID0...UID3)