AT88SC0404CRF(2008) 查看數據表（PDF） - Atmel Corporation

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AT88SC0404CRF
(Rev.:2008)

CryptoRF Specification

Atmel Corporation 

AT88SC0104/0204/0404/0808/1616/3216/6416CRF

4.2.3

Response Field Descriptions

PUPI: PseudoUnique PICC Identifier. This is the card ID used for anticollision, stored in the

System Zone.

APP: Application Data. Information about the card or application, stored in the System Zone.

The fourth byte of the application data field, APP3, is programmed by Atmel with a memory den-

sity code at the factory to permit easy identification of different card sizes. The memory density

codes programmed by Atmel are shown in Table 4-6.

Table 4-6. Default value of APP3 is the CryptoRF Memory Density Code

Device Number

Density Code

AT88SC0104CRF

$02

AT88SC0204CRF

$12

AT88SC0404CRF

$22

AT88SC0808CRF

$33

AT88SC1616CRF

$44

AT88SC3216CRF

$54

AT88SC6416CRF

$64

Protocol: ISO/IEC 14443 communication capabilities reported to the PCD.

4.2.4

CRC: Communication error detection bytes.

Error Handling

If an REQB or WUPB command containing errors is received by the PICC, it is ignored and no

response is send.

11

5276A–RFID–07/08

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