AT88RF04C-WA1 Atmel, AT88RF04C-WA1 Datasheet - Page 10
AT88RF04C-WA1
Manufacturer Part Number
AT88RF04C-WA1
Description
Manufacturer
Atmel
Datasheet
1.AT88RF04C-WA1.pdf
(158 pages)
Specifications of AT88RF04C-WA1
Lead Free Status / RoHS Status
Supplier Unconfirmed
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5.
5.1.
5.1.1. Operation
10
Anticollision Command Definitions
Commands in this section are arranged in order by the hexadecimal code in the command byte.
REQB / WUPB Polling Commands [$05]
The REQB / WUPB command is used to search for PICCs in the RF field. The command and response are ISO/IEC
14443-3:2001 compliant.
The “Request B” (REQB) and “Wake-Up B” (WUPB) commands are used to probe the RF field for Type B PICCs as the
first step in the anticollision process. The response to an REQB or WUPB command is the “Answer to Request B”
(ATQB). PICCs in the Active State are not permitted to answer this command.
AT88SC0808/1616/3216/6416CRF, AT88RF04C
ATQB Response >
Command >
PARAM
Reader
CRC1
CRC2
$05
AFI
Protocol 1
Protocol 2
Protocol 3
PUPI 0
PUPI 1
PUPI 2
PUPI 3
APP 0
APP 2
APP 3
CRC1
CRC2
APP1
PICC
$50
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
5276C–RFID–3/09
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