Mifare contactless

INTEGRATED CIRCUITS

Standard Card IC
MF1 IC S50
Functional Specification
Product Specification
Revision 4.0

Philips
Semiconductors

July 1998

Contents

Rev. 4.0

1998-07-24

Contents
1 General Description ....................................................................................................... 3
1.1 Features of the MIFARE®System.......................................................................................... 4
1.2 MF1 IC S50 Card IC: ............................................................................................................ 4
2 Functional Description .................................................................................................. 6
2.1 Block Description.................................................................................................................. 6
2.2 Antenna: ................................................................................................................................ 6
2.3 Communication scheme RWD ↔ Card .................................................................................. 7
2.4 DataIntegrity......................................................................................................................... 8
2.5 Security ................................................................................................................................. 9
2.6 Memory Organisation and Access Conditions........................................................................11
2.6.1 Sector Trailer (Block 3):.................................................................................................12
2.6.2 Manufacturer Code (Block 0 of Sector 0) .......................................................................13
2.6.3 Data Block (Block 0 to 3 except "Block 0")....................................................................13
2.6.4 Key management andMulti-functionality.........................................................................15
2.7 Memory contents after IC test...............................................................................................15
2.7.1 Block 0 (manufacturer block):.........................................................................................15
2.7.2 Data Blocks:...................................................................................................................15
2.7.3 Sector Trailers: ...............................................................................................................15
3 Release Notes .............................................................................................................. 16
3.1 SerialNumbers......................................................................................................................16
3.2 Answer to SELECT command (ATS Code) ..........................................................................16

MIFARE® is a registered trademark of Philips Electronics N.V.
M01040.doc/RM

Page 2 of 18

General Description

Rev. 4.0

1998-07-24

1 General Description
The contactless MIFARE® 1 S50 smart card IC has been especiallytailored to meet the requirements
of a payment card which can be used for ticketing systems in public transport and comparable
applications. MIFARE® 1 S50 IC is a true multi-application smart card IC with the functionality of a
processor realised with hardwired logic.
Special emphasis has been placed on user convenience, speed, reliability, security against fraud and
cost effectiveness.
Userconvenience and speed
A transaction between the card (card IC) and the reader defined by the system integrator or the
service provider takes place when the card holder approximates the card to the reader. The
permissible distance between antenna (target) and card is up to 100 mm free air. On the one hand,
this enables users to carry out the transaction fast and conveniently. On the other,...