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FXAS2100 not going into 'active' state

Question asked by Jim Miller on Aug 29, 2014
Latest reply on Sep 5, 2014 by Jim Miller


I am using the FRDM-FXS-MULTI-B board to evaluate and prototype a product with a Parallax propellor MCU.

I have the FXOS8700CQ working and responding so the i2c code is solid.

I can read all of the registers on the FXAS21000 gyroscope and the boot complete flag does go to 1 after a hard reset.

The problem I am having is that I can not set the 'Active' or 'Ready' bits in CTRL_REG1. I can set other higher bits in that register but for some reason bits 0 & 1 do not toggle. When I set the ST (self test) bit, the data does not output as described in the cdocumentation.

 

Help?

 

Thanks in advance,

Jim-

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