Instructions

NFC &

MIFARE & ISO14443AB & ISO15693 & ISO18000 & ISO7816 IC Card Module www.quio-rfid.de

5.4 ISO14443A/B CPU Card Commmands

5.4.1 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 users can judge whether the card supports

ISO14443-4 by SAK. If automatic detecting card function is opened, then this command is only

to read the result of automatic detecting 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

Example:

Send: 0x00 05 00 20 00 25

Return: 0x00 0B 01 20 32 41 00 21 04 00 28 54

5.4.2 Reuqest all ISO14443 TYPE A Card

Function: ISO14443A request cards and output all the UIDs.

Host sends:

Frame 0x7D Checksum

Mode: 1 byte, 0: WUPA; 1: REQA; other value: RFU

Success:

Frame 0x7D N * CI Checksum

N: number of cards detected

CI: card information. 10byte UID + 2 bytes ATQA + 1 byte SAK + 1byte actual UID length

Failure:

Frame 0x82 Checksum

Example:

Send: 0x00 04 00 7D 79

Return: 0x00 20 01 7D 76 3F 82 A2 00 00 00 00 00 00 00 00 08 04 52 90 32 22 00 00 00 00

00 00 00 00 28 04 C7

5.4.3 ISO14443-4 TYPE A Card RATS

Function: send RATS to ISO14443-4 TYPE-A card. Before executing this command, it