As it's not on the website, it probably needs an NDA or other special qualification.
You'll probably need to talk to your FAE or distributor: https://www.st.com/content/st_com/en/contact-us.html
Maybe raise a support ticket: https://ols.st.com/s/
A complex system that works is invariably found to have evolved from a simple system that worked.
A complex system designed from scratch never works and cannot be patched up to make it work.
