Hi Caleb, You understood the scenario right. Yes I did try to output the ACLK frequency and it is clocking as expected (The other applications which switch to ACLK, run without any issues). Also, the reason I switch to ACLK from SMCLK is because I cannot configure SMCLK with LFXT1 (XTS=1). Here's how I switch from XT2 to LFXT1. BCSCTL1 |= XT2OFF + XTS + DIVA_2; __delay_cycles(2000); // Wait for Osc to kick in BCSCTL2 |= SELM_3 + DIVM_1 + SELS + DIVS_2; Best Regards,
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