HI
we are developing a product for AC sorce switching based on MSP430F5418A, we are uisng 20MHz crystal on XT1 in HF mode , when enabel the contactors the controller is resetting and when i enable internal DCO and disabling the external crystal controller is not resetting so please let me know the exact issue and suggestions to resolve this.below is the schematic for your reference.
Regards
Nandish