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【ADIS16448】The data changes very slowly

Question asked by Lchatwl on Mar 25, 2018
Latest reply on Apr 20, 2018 by NevadaMark


The data  changes very slowly when reading ADIS16448AMLZ inertial data via SPI at 200Hz sampling frequency. The microcontroller I use is STM32F103. The data is abnormal When I download the program to the microcontroller and then open the module's switch to drive the ADIS16448.

As shown in the figure below. For example,the data from the 3501th package to the 3523th package is exactly the same,which is  an abnormal phenomenon.

BUT,When I use debug mode to start the microcontroller to drive the ADIS16448, the above problem will not appear.

Can anyone answer my question? Thank you very much.