AT88RF04C-WA1 Atmel, AT88RF04C-WA1 Datasheet - Page 66
AT88RF04C-WA1
Manufacturer Part Number
AT88RF04C-WA1
Description
Manufacturer
Atmel
Datasheet
1.AT88RF04C-WA1.pdf
(158 pages)
Specifications of AT88RF04C-WA1
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Configuration
Transaction Flow
Figure 6.
In a typical CryptoRF transaction the host performs anticollision, selects a User Zone, and reads or writes the user
memory. When a User Zone requires a password, authentication, or encryption the host performs the required security
operation before accessing the User Zone.
Note:
AT88SC0808/1616/3216/6416CRF, AT88RF04C
Memory
Read
The Set User Zone command may be sent before or after the security operation.
Flowchart of a Typical CryptoRF Transaction
Configuration
Memory
Write
Password
Check
Normal Mode
Select Card
(ATTRIB)
Memory
Read
User
Anticollision Complete
(REQB/WUPB)
User Zone
Polling
Set
Checksum
(HLTB)
Read
Halt
Enter Authentication Mode
Mutual Authentication
(optional)
Encryption Activation
Memory
Write
User
(optional)
Enter Encryption Mode
Checksum
Send
5276C–RFID–3/09
Deselect
Idle
or
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