Hello, @Diwakar07
Thanks for the post.
The clock for the CAN controller module is provided from the internal PLLs, as shown below:
chenyin_h_1-1741860363217.png
The PLL Jitter tolerance value could refer to table27 on S32G3 Data Sheet as below:
chenyin_h_2-1741860499927.png
I hope it will help.
BR
Chenyin