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FuzzyDaddy's Journal: I2C is a pain in the ass

Journal by FuzzyDaddy
I just added a new device to the I2C bus on my system. It always takes an hour to figure out the damn address on the thing. You set it up, it doesn't work, and if you are inexperienced you hook up the oscilloscope. I've finally learned to go back and reread the datasheet, where on page 673 they mention, "oh by the way" that the device in the MSOP package has a different address then the SOT package. Then does the configuration software bit shift the address to the left by 1 to make room for the write bit, or does it just OR it on the end?

Arghh... at least I finally got the damn thing working this time before I pulled out the scope.

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I2C is a pain in the ass

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