Figure 44. CryptoRF Response to an REQB or WUPB polling command.
Reader
PICC
Command >
$05
AFI
PARAM
CRC1
CRC2
ATQB Response >
$50
PUPI 0
PUPI 1
PUPI 2
PUPI 3
APP 0
APP1
APP 2
APP 3
Protocol 1
Protocol 2
Protocol 3
CRC1
CRC2
SUCCESS RESPONSE
System Zone Byte $00
System Zone Byte $01
System Zone Byte $02
System Zone Byte $03
System Zone Byte $04
System Zone Byte $05
System Zone Byte $06
System Zone Byte $07
$00
System Zone Byte $08
$51
The definitions of the polling configuration registers in the System Zone are listed below along with any restrictions
which ISO/IEC 14443 Part 3 places on the register values.
Pseudo Unique PICC Identifier (PUPI)
PUPI is a 32 bit serial number defined by the customer during personalization; the PUPI is usually unique. This code is
transmitted as part of the ATQB response during anticollision. PUPI may be set to any value.
130 AT88SC0808/1616/3216/6416CRF, AT88RF04C
5276C–RFID–3/09