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Why does the MMA8452 generate an interrupt when transitioning from standby to active mode?

Question asked by Amanda Frame on Jun 23, 2016
Latest reply on Jun 28, 2016 by Tomas Vaverka

Configured as follows:

1. Enable Z axis

2. Set threshold counts to 4

3. Set debounce counts to 1

4. Set to low power and ODR = 1.56Hz

5. Enable transient detection interrupt

6. Route transient interrupt to INT1

 

We then activate the accelerometer and immediately see a 780ms interrupt on the INT1 pin.  Why is this occurring?

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