Texas Instruments has rolled out new Dynamic NFC Transponder RF430CL330H hardware to enable uncomplicated and inexpensive wireless setup of NFC (near-field communications) systems. Also new is NFCLink software, a standard NFC library for the TRF79xx NFC transceiver family to ease NFC development on TI embedded processors.
The new transponder interface RF430CL330H brings a secure, simplified pairing process for Bluetooth and Wi-Fi connections to products such as printers, speakers, headsets and remote controls, as well as wireless keyboards, mice, switches and sensors. TI claims it is the only dynamic NFC tag device designed specifically for NFC connection handover and service interface functions, including host diagnostics and software upgrades.
The device combines a wireless NFC interface and wired SPI/I²C interface to connect the device to a host (classified as an NFC tag type 4 device). The data content is then shifted dynamically from the host into the RF430CL330H’s SRAM and can then be transferred over the NFC interface. The IC allows reading and writing of NFC data exchange format (NDEF) messages at data rates up to 848 KB per second for RF data transfer (over-the-air firmware updates).
The RF430CL330H incorporates an ISO 14443B-compliant RF interface, allowing wireless access of NDEF messages. It offers host wakeup capability when in the NFC RF field which, when combined with the fact that the NFC interface is passive, maximises battery life.
Streamlining NFC development across TI’s entire embedded processing portfolio, the NFCLink software firmware library, in partnership with Stollman E+V and Kronegger, enables developers to quickly and easily create NFC applications for TRF79xx NFC transceivers using TI’s ultra-low-power MSP430 microcontrollers (MCUs), Tiva C Series ARM MCUs and OMAP processors. Additional TI embedded processor platforms will be supported in the future.
NFC applications running on operating systems include point-of-service devices, routers, set-top boxes, automotive infotainment and various other consumer devices.
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