Many thanks for your reply! The library Adafruit_BMP3XX implements a crc check of the trimming coefficients using the address 0x30, where a crc8 is stored. I've checked it on my BMP390-application and it is correct. The address 0x30 consists of a crc8 which ca be calculated using the 0x1D polynomial. Why is this not part of the official documentation?
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