AT88RF04C-MY1G View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

AT88RF04C-MY1G

CryptoRF® Specification

Atmel Corporation 

AT88SC0808/1616/3216/6416CRF, AT88RF04C

6.15.2. Command Field Description

CID:

The Card ID assigned by the ATTRIB command.

Key Index: Selects the secret key to be used. The Authentication process uses one of the Secret Seeds Gi.

Encryption Activation uses a Session Encryption Key Si.

Table 48. Key Index coding for the Verify Crypto command

Key Index

Key

$00

Secret Seed G0

$01

Secret Seed G1

$02

Secret Seed G2

$03

Secret Seed G3

$10

Session Encryption Key S0

$11

Session Encryption Key S1

$12

Session Encryption Key S2

$13

Session Encryption Key S3

All Other Values Are Not Supported

Q:

CH:

CRC:

The Host random number.

The Host challenge.

Communication error detection bytes.

6.15.3. Response Field Descriptions

CID:

The PICC transmits its assigned card ID in the response.

ACK:

Acknowledge, the command executed correctly.

NACK:

Not Acknowledge, the command did not execute correctly.

STATUS: PICC status code.

CRC:

Communication error detection bytes.

57

5276C–RFID–3/09

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