# US 2010/0167643 A1 · Device with an eeprom having both a near field communication interface and a second interface > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2010/0167643 A1 - Document ID: US20100167643A1 - Status: Published application - Kind: A1 - Application number: 12/377,616 - Filed: 2007-08-15 - Published: 2010-07-01 - Earliest claimed: 2006-08-15 - Assignees: NXP B.V. - Inventors: Olaf Hirsch - Web page: https://patentgrep.com/patent/US20100167643A1 ## CPC - H04W 4/80: Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication - H04B 5/77: for interrogation - H04L 63/18: {using different networks or channels, e.g. using out of band channels (cryptographic mechanisms or cryptographic arrangements for key distribution involving distinctive intermediate devices or communication paths H04L9/0827; cryptographic mechanisms or cryptographic arrangements for authentication using a plurality of channels H04L9/3215)} - H04W 4/21: for social networking applications - H04W 12/06: Authentication - H04W 12/50: Secure pairing of devices - H04W 84/18: Self-organising networks, e.g. ad-hoc networks or sensor networks - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04B: TRANSMISSION - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract A device and a method for programming the read/writeable memory of the RFID circuitry by communications between either RF antenna (12) or bus communications port controller interface (4) or both. In a peripheral device (1), an EEPROM (6), bus communications controller interface (4), NFC interface (8), antenna (12), and logic controller (10) operate to receive and transmit configuration and calibration data between a Bluetooth circuit (40) and an external device (22). The dual interfaced EEPROM (2) shares or partitions its EEPROM (6) between the Bluetooth circuit (40) and the external device (22). ## Claims ### Claim 1 A device comprising: a memory comprising two interfaces wherein a first interface is a passive near field communication (NFC) interface and a second interface is a data interface; an NFC antenna, connected to said passive NFC interface, for communicating NFC signals with a first external device; and a microprocessor based circuit in data communication with said second interface. ### Claim 2 (depends on 1) The device of claim 1, wherein said microprocessor based circuit is a Bluetooth circuit. ### Claim 3 (depends on 1) The device of claim 1, further comprising an antenna connected to said microprocessor based circuit for communication with said second external device. ### Claim 4 (depends on 1) The device of claim 1, wherein said first external device and said second external device are the same device. ### Claim 5 (depends on 1) The device of claim 1, wherein said memory is an electronically erasable programmable read only memory (EEPROM). ### Claim 6 (depends on 1) The device of claim 1, wherein said second external device is a Bluetooth enabled device. ### Claim 7 (depends on 1) The device of claim 1, wherein said memory stores authentication data received from said NFC interface. ### Claim 8 (depends on 2) The device of claim 2, wherein said memory stores Bluetooth configuration data in a predetermined memory location and wherein said Bluetooth circuit uses said Bluetooth configuration data to enable communication with said second external device. ### Claim 9 (depends on 1) The device of claim 1, wherein said device is a Bluetooth enabled peripheral device. ### Claim 10 (depends on 9) The device of claim 9, wherein said Bluetooth enabled peripheral device is a communication headset. ### Claim 11 (depends on 1) The device of claim 1, wherein said NFC antenna and said first external device are closer than or equal to 10 cm from each other when communicating said NFC signals. ### Claim 12 A method of simply pairing a wireless personal area network enabled peripheral device with a personal area network enabled device, said method of simply pairing comprising: communicating an NFC communication between a passive NFC interface of said wireless personal area network enabled peripheral device and said personal area network enabled device, said NFC communication comprises authentication data; storing, using a first interface associated with a dual interfaced memory device within said wireless personal area network enabled peripheral device, first authentication data from said authentication data; retrieving, using a second interface associated with said dual interfaced memory device, said first authentication data; using said retrieved first authentication data, by a microprocessor based circuit within said wireless personal area network enabled peripheral device, for configuring a personal area network communication with said personal area network enabled device. ### Claim 13 (depends on 12) The method of claim 12, wherein said authentication data comprises a data intended to be secure. ### Claim 14 (depends on 12) The method of claim 12, wherein said wireless personal area network enabled peripheral device is a Bluetooth enabled headset. ### Claim 15 (depends on 12) The method of claim 12, wherein said dual interfaced memory device is an EEPROM. ### Claim 16 A wireless personal area network enabled peripheral device comprising: a passive NFC circuit for communicating NFC signals; an EEPROM; an NFC interface, between said EEPROM and said passive NFC circuit, said NFC interface communicates authentication data received by said passive NFC circuit and stores said authentication data in said EEPROM; a microprocessor based circuit for communicating with an external device using a personal area network protocol; a communications controller interface between said microprocessor based circuit and said EEPROM, said communications controller interface being for providing said authentication data to said microprocessor based circuit. ### Claim 17 (depends on 16) The wireless personal area network enabled peripheral device of claim 16, wherein said wireless personal area network enabled peripheral device is a communication headset. ### Claim 18 (depends on 16) The wireless personal area network enabled peripheral device of claim 16, wherein said external device is a mobile communication device. ### Claim 19 (depends on 16) The Bluetooth enabled peripheral device of claim 16, wherein said communications controller interface is an I2C controller. ### Claim 20 (depends on 16) The wireless personal area network enabled peripheral device of claim 16, wherein said communications controller interface is a serial port interface.