Files
- SPI and I2C library is available from github
- Deprecated I2C-only library is available from github (don't recommend)
- Fritzing objects available in the Adafruit Fritzing library
Datasheets
For more details about NFC/RFID and this chip we suggest the following fantastic resources:
- RFID selection guide- a lot of details about RFID in general
- Nokia's Introduction to NFC - a lot of details about NFC in general
- Antenna design document