BMX160 I2C Fast Mode

[ErDe]

Hi guys,

I am working with a bmx160 sensor and  I need to read the data registers fast. With a standard clock speed of 100kHz everything works fine, but with 400kHz or 1MHz i get a NACK and can't read any registers via I2C anymore. In the datasheet it says up to 1MHz clock speed is supported.

Any idea why its not working?

Thanks

[Minhwan]

Hello, 

Yes, we can support up to 1MHz as long as your hardware design meets our I2C timings. 

Please check our table 33 and Figure 27 in BMX160 datasheet. 

https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bmx160-ds0001.pdf

Thank you.