Infineon Technologies has released a high-speed open interface for the company’s NFC security microcontrollers (eSE).
The DCLB (Digital Contact Less Bridge) interface is an open solution that connects the eSE and the NFC modem for faster data transfer rates. According to Infineon, this is achieved by dispensing with the temporary storage of data packets in the NFC modem, allowing the data to be transferred directly from the terminal to the Secure Element without creating additional protocol overheads.
Infineon says their DCLB interface is one of the fastest NFC interfaces on the market, supporting the maximum defined data transfer rate of up to 848 kilobits/second (kB/s). Mainstream interfaces support only 106 kB/s, according to the company.
The DCLB interface supports ISO 14443-A, ISO 14443-B, ISO 14443-C and ISO 15693 (Passive Mode) protocols, while the company’s eSE’s are JavaCard, GlobalPlatform, CIPURSE and Mifare compliant.
The first NFC mobile phone featuring an Infineon embedded Secure Element (eSE) with DCLB interface was launched in August 2011. According to Infineon, DCLB-based implementations are currently in high-volume deployment, with modem suppliers are already working on further implementations.