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Register setting for ADXL343 without use of MCU?

Question asked by Joseph.Juhnke on Oct 29, 2012
Latest reply on Oct 29, 2012 by Joseph.Juhnke

Good Monday,

 

I'm specifying an ADXL343 as a component in a very small, inexpensive consumer electronics device that has no processing unit capability. I would like to use the double tap function to trigger an audio playback chip by pulling the int pin low on double tap. I didn't see any documentation in the datasheet talking about hardcoding registers and wonder how one does this or if it is possible to modify / store register settings on the chip even during power off.

 

Cost is the primary driver for not having a MCU on the board.

 

Thanks for your help.

 

J

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