The addition of an I 2C interface to the UHF RFID device means that the data of an IC mounted on the customer’s equipment and connected to it can be read using an UHF RFID-Reader/Writer. Likewise the data in the RFID device can be read by an IC. Using an I 2C MAGICSTRAP device makes it possible to achieve lower power consumption compared to other RF-technologies since power necessary for the communication is supplied by the reader/writer. Access to the RFID device is even possible when the power of the device is turned off. With the I 2C MAGICSTRAP a wireless interface can be implemented at a lower cost than Bluetooth, Wi-Fi, and ZigBee as use of UHF RFID does not require certification on the tag side.
The I 2C interface extends the possible applications far beyond the use of previous MAGICSTRAP RFID tags which have been in the areas of process management, commodity management or traceability.
Potential applications for this new RFID device include management of memory settings of consumer appliances prior to shipping. For example, the settings of equipment can be changed even when it is packaged in a carton box immediately before shipment. Other examples are is holding appliance error log data or recording environmental data such as temperature changes in food service supply chain logistics applications. As the necessary power is supplied by the reader/writer, data can be retrieved from the MAGICSTRAP even when the equipment is malfunctioning or switched off.
Murata Europe; www.murata.eu