AT88RF04C-WA1 Atmel, AT88RF04C-WA1 Datasheet - Page 54

• Manufacturer Part Number: AT88RF04C-WA1
• Manufacturer: Atmel

Specifications of AT88RF04C-WA1

• Lead Free Status / RoHS Status: Supplier Unconfirmed

6.14.
6.14.1. Operation
6.14.2. Command Field Description
54
Read System Zone Command, Read Checksum Option [$c6]
The Read Checksum Option of the System Read command reads the checksum from the cryptographic engine.
The Read Checksum Option of the Read System Zone command reads the checksum from the cryptographic engine.
This operation can be performed in the Normal, Authentication, or Encryption Communication modes. Only PICCs in
the Active State are permitted to answer this command.
CID:
PARAM:
AT88SC0808/1616/3216/6416CRF, AT88RF04C
Echo Command >
Echo Command >
PARAM = $02 >
ADDR = $FF >
Command >
L = $01 >
The Card ID assigned by the ATTRIB command.
The PARAM byte selects the type of read operation to be performed. PARAM must be $02 for Read
Checksum.
CID
PARAM
Reader
ADDR
CRC1
CRC2
“L”
$6
CID
CID
STATUS
STATUS
DATA 1
DATA 2
NACK
CRC1
CRC2
CRC1
CRC2
PICC
ACK
$6
$6
FAILURE RESPONSE
< Error Code
SUCCESS RESPONSE
< MAC1
< MAC2
<Status Code
5276C–RFID–3/09