MF1S5009 查看數據表（PDF） - NXP Semiconductors.

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MF1S5009

Mainstream contactless smart card IC for fast and easy solution development

NXP Semiconductors. 

NXP Semiconductors

MF1S5009

Mainstream contactless smart card IC

9.2.3 Select card

With the select card command the reader selects one individual card for authentication

and memory related operations. The card returns the Select Acknowledge (SAK) code

which determines the type of the selected card, see Section 10.4. For further details refer

to the document Ref. 2, the handling of double size UIDs in MIFARE Classic is described

in Ref. 6.

9.2.4 Three pass authentication

After selection of a card the reader specifies the memory location of the following memory

access and uses the corresponding key for the three pass authentication procedure. After

a successful authentication all memory operations are encrypted.

POR

Transaction Sequence

Typical Transaction Time

REQUEST STANDARD

REQUEST ALL

ANTICOLLISION LOOP

GET IDENTIFIER

SELECT CARD

3 PASS AUTHENTICATION

ON SPECIFIC SECTOR

READ

BLOCK

WRITE

BLOCK

DECRE-

MENT

INCRE-

MENT

RE-

STORE

HALT

TRANSFER

Fig 5. Three pass authentication

Identification and Selection

Procedure

~3 ms without collision

+~3 ms for each collision

Authentication

Procedure

~3 ms

Memory

Operations

~2.5 ms read block

~6.0 ms write block

~2.5 ms de-/increment

~4.5 ms transfer

001aam202

MF1S5009

Product data sheet

PUBLIC

All information provided in this document is subject to legal disclaimers.

Rev. 3 — 27 July 2010

189131

© NXP B.V. 2010. All rights reserved.

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