Jewel/Topaz

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Identification

ATQA=0C00

Libnfc support

Current support in libnfc is quite limited:

  • Shows ATQA & 4-byte JewelID LSB
  • Proprietary commands must be sent manually with e.g. nfc_initiator_transceive_bytes()

Related tools

NFC Forum Type 1 Tag

From NFC Forum: Type 1 Tag is based on ISO/IEC 14443A. Tags are read and re-write capable; users can configure the tag to become read-only. Memory availability is 96 bytes and expandable to 2 kbyte.

commands

Topaz datasheet (pdf)
See http://www.nfc-reader.com/NFC-smart-card-reader/ACR122-API-Manual/API_ACR122.pdf for a few examples on page 19 for Topaz tags

REQA
WUPA
RID
RALL
READ
WRITE_E
WRITE_NE

Links

Previously Innovision, now Broadcom

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