The data sheet doesn't describe this register. Thanks!
The content of the Who_Am_I register (0x0F) is 0x55.
PS: If my answer helps to solve your question, please mark it as "Correct". Thank you.
So that's the same as for MMA7455L. What's the difference between the two? Thanks a lot!
Let me explain the history of the MMA745xL. Seven years ago, the original MMA7455L was improved resulting in tighter offset specification tolerances and better TCO and TCS performance (see PCN13436). This improved version got a new number - MMA7456L. However, our marketing department decided to cancel this part number and maintain the MMA7455L. All MMA7455L products shipped from Oct 30, 2008 and later are the improved versions.
Let me know if you have any other questions.
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