Hi @Pennypeng
The forum moderator had marked your post as needing a little more investigation and direct support. An online support case has been created on your behalf, please stand by for just a moment and you will hear from us.
While I'm here, there is no harm in me explaining that this is not an ST chip, but an NXP chip:
https://www.mouser.com/ProductDetail/NXP-Semiconductors/FXLS8974CFR3?qs=QNEnbhJQKva4g7R74%252BwIOg%3D%3D
If anyone else has similar types of questions about markings, please feel free to open a support case directly at: http://my.st.com/ols
Regards,
Billy