CAN/FDCAN expert and can help on other subjects. But to be honest, I cannot help on everything. So, please don't ask questions through private messages and be pushy to have an answer. I cannot serve all the questions as there are tens even hundreds of them per day and I'm doing my best to help you in efficient way. So please keep the conversations in the forum ONLY. If I have the answer, I will not hesitate to provide it in the community thread. Many community members with high level skills can also help you. No need to tag ST employees to exclusively waiting an answer from them. You can also contact your local sales or FAE for a complex requests/situations. Please also note that we provide a support in the limit we can give i.e. we are not here to do your job for you. Thank you for your understanding. PS1: Sorry, I don't support issues on fake STM32 MCUs on Blue/Black.. (other colors) pill platforms. Please purchase boards with GENUINE STM32. PS2: For direct access to the registe