OTG USB differences between CPUs

[ZDjok.1]

Looking at stm32 USB library for USB device (not host)( particularly for 32F769) I noticed in source code, different approaches between core ID 300A and core ID 310A.

However I found no documentation that explains that versions. Does someone know what are differences between two or maybe some document that explains them ?

[waclawek.jan]

> Does someone know what are differences between two or maybe some document that explains them ?

Maybe Synopsys knows. And I wouldn't be surprised, if even they don't.

ST may know something, but they won't tell.

https://community.st.com/s/question/0D50X00009XkaAaSAJ/l4-otg-the-mysterious-bit-15-in-doepint-and-otgcoreid etc.

JW

PS. Which 'F7 have the 300A/311A OTG? According to https://community.st.com/s/question/0D50X0000BMITBQSQ5/stm32f7-usb-otg-differences-within-series there are 320A and 330A in some 'F7...