how to improve the actual ODR of LIS2DH12 ?

JohnGe · ‎2023-11-07

In my design, when setting the ODR = 100Hz or below , I can get 100hz INT signals , and received 100 sets vibration data every Second. （Using XYZ data-ready as int1）and modify the ODR setting to 200Hz , just get 200 hz INT signals ，and received 145 sets data。

How to improve the actual ODR ? We want realize 1.376KHz @hr mode

or 5.376kHz @LP mode, Which mcu is suitable ? STM32F103 70MHz ? or higher End ?
And I2C interface is suitable for 5.376kHz ? or must be SPI ？

Federica Bossi · ‎2023-11-09

Hi @JohnGe ,

You need to use SPI @ 10MHz and an powerful mcu to manage that interrupt velocity such as a STM32U5.

For further questions I suggest you to open a topic on the MCU forum.

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