CLK_CTRL_MPLL = MPLLCON_USER;
        nop_count = 0;
        while (nop_count < 100)
                nop_count++;
 
        CLK_CTRL_UPLL = UPLLCON_USER;
        nop_count = 0;
        while (nop_count < 100)
                nop_count++;
 
#if defined (CONFIG_DEBUG_LL)