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NFC tags read/write operations on low level

864697May 26 2011 — edited May 26 2011

Hi,

I know this is little bit offtopic question - but since you are experts in the area I will try to ask you probably a pretty simple question:

1/ I would like to know which protocol is used for the read/write operations to the NFC tags are used. According to my understanding after the tag is placed on the NFC reader (NFC phone, USB reader), it is powered and set to the ready state. Then the application protocol for read/write operation is used. As I think the exact format and the content of commands used for read/write is not specified in ISO 14443 and it is dependent on a tag hardware/manufacturer and will be different for FeliCa/Mifare/Innovision/etc. tags, so there is no way how to handle NFC tags read/write operations with the single implementation. Is that assumption correct?

2/ Are there any tags, which supports the APDU 7816-4 commands for read/write operations?

Thank you for reply
Kind regards,
STeN

This post has been answered by Sebastien_Lorquet on May 26 2011

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