AT88SC3216CRF-WA1 데이터 시트보기 (PDF) - Atmel Corporation

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AT88SC3216CRF-WA1

CryptoRF® Specification

Atmel Corporation 

Each byte contains one or more fields as indicated by lines drawn vertically within the byte. The field in the left half of

the byte is the upper nibble of the byte, and the field to the right is the lower nibble of the byte. In Figure 2, five fields

contain values ($1D, $00, $F, $51, $0), four fields contain field names (“Addr”, “XX”, “CID”, “Data”), and four fields

contain error detection codes (CRC1, CRC2).

Figure 2.

Example Command and Response Format

Reader

PICC

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 >

$1D

$00

ADDR

$F

XX

$51

CRC1

CRC2

$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 communication errors. These bytes are required by

ISO/IEC 14443-3:2001 and are usually calculated and verified in the reader hardware.

6 AT88SC0808/1616/3216/6416CRF, AT88RF04C

5276C–RFID–3/09

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