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Steve Blozis of NXP® discusses the new I2C Ultra Fast-mode specification, as well as the first UFm devices from NXP. Operating at speeds of up to 5 MHz, the new Ultra Fast-mode (UFm) is a uni-directional push-pull serial bus ideally suited for driving LED controllers and other devices that do not require feedback.
• I2C-bus specification and user manual, including new UFm specifications http://www.nxp.com/documents/user_manual/UM10204.pdf
• NXP I2C selection guide http://www.nxp.com/documents/leaflet/75017144.pdf
• NXP I2C bus controllers and bridge ICs http://www.nxp.com/products/interface_and_connectivity/i2c/i2c_bus_controller_and_bridge_ics/