Technical Manual

East Wind Technologies, Inc.
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3.3 ISO14443A/B CPU Card Commmands
3.3.1 ISO14443 TYPE A Request
Function: ISO14443A request cards, cards include MIFARE and other ISO14443A cards. In
the returned results, user could judge the length of serial number via the returned data package
length, and judge the card type by ATQA, also judge whether the card supports ISO14443-4 by
SAK. If automatic detect card function was opened, then this command is only to read the result
of automatic detect card.
Host sends:
Frame
0x20
Mode
Checksum
Mode: 1 byte, 0: WUPA; 1: REQA; other value: RFU
Success:
Frame
0x20
Data
Checksum
Data: 4, 7 or 10 bytes card serial number + 2 bytes ATQA + 1 byte SAK
Failure:
Frame
0xDF
Checksum
3.3.2 ISO14443-4 TYPE A Card RATS
Function: send RATS to ISO14443-4 TYPE-A card. Before executing this command, it
needs to request card and verifies the card support ISO14443-4 via SAK of card. If the automatic
detecting card function is on, after a successful implementation of the RATS command, the
automatic detect card function will be forced OFF.
Host sends:
Frame
0x30
Checksum
Success:
Frame
0x30
ATS
Checksum
ATS: ATS, length depends on card.
Failure:
Frame
0xCF
Checksum
3.3.3 ISO14443-4 TYPE B Request
Function: ISO14443-4 TYPE B card request and set attribute.
Host sends:
Frame
0x60
Mode
AFI
Checksum
Mode: 1 byte, 0: WUPB; 1: REQB; other values: RFU
AFI: 1 byte, the AFI to request, if request all AFI, please use 0x00.