This article has coverd a great detail...
Just a little addition, The pullup resistor value can not be reduced after a lmit which is decided by one of the two factors. 1) The least value of maximum allowed power dissipation among all the ICs on Bus which again depends on thermal limitations of the IC.
2) Least value of Maximum allowed current through the I2C terminals among all the ICs on bus.
NASA's Orion Flight Software Production Systems Manager Darrel G. Raines joins Planet Analog Editor Steve Taranovich and Embedded.com Editor Max Maxfield to talk about embedded flight software used in Orion Spacecraft, part of NASA's Mars mission. Live radio show and live chat. Get your questions ready.
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