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

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AT88SC0404CRF
(Rev.:2008)

CryptoRF Specification

Atmel Corporation 

Figure 1-2. Example Command and Response Format

Command First Byte >

Command Second Byte >

Command Third Byte >

Command Fourth Byte >

Command Fifth Byte >

CRC First Byte >

CRC Second Byte >

TR2 >

Response First Byte >

Response Second Byte >

CRC First Byte >

CRC Second Byte >

Reader

$1D

$00

ADDR

$F

XX

$51

CRC1

CRC2

PICC

$0

CID

DATA

CRC1

CRC2

The CRC error detection codes are calculated using all of the previous bytes in the command or

response and are appended to each command and response to allow detection of RF communi-

cation errors. These bytes are required by ISO/IEC 14443-3:2001 and are usually calculated

and verified in the reader hardware.

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

5276A–RFID–07/08

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