TMS570LC4357: how to due with the kelvin gnd。

 whether a protection ring is required for the crystal of TMS570 crystal. Can the protection ring be connected to the KELVIN ground? Which ground is the ground of the four-pin crystal? is there any pcblayout guidance for crystal。

Yale Li：

Hi, I post your issue to the relevant engineer:

https://e2e.ti.com/support/microcontrollers/arm-based-microcontrollers-group/arm-based-microcontrollers/f/arm-based-microcontrollers-forum/1278185/tms570lc4357-how-to-due-with-the-kelvin-gnd

Pls focus on this link.