MSP430F2418: Periodic current consumption in LPM3 mode

#include <msp430f2418.h>

#define XTAL_32KHZ

void floorit (void);

void main(void)
{
    unsigned int X = 0;
    unsigned int Toggle = 0;

    WDTCTL = WDTPW + WDTHOLD;           //Stop the WatchDog Timer

    P1OUT = 0X00;                          // Turn off 2.5V Reference (set P1.4=0) 12/11/2017
    P1DIR = 0xff;                          // Set P1.0 pin directions to output

    P2OUT = 0x0F;                       //Set bits 0 to 3
    P2DIR = 0xff;                       //P2 is all output

    P3OUT = 0x00;
    P3DIR = 0xff;
    P3REN = 0x20;                       //Enable pull up on P3.5

    P4OUT = 0xD4;
    P4DIR = 0xFF;

    P5OUT = 0x01;  
    P5DIR = 0xEF;
    P5REN = 0x10;

    P6DIR = 0xE0;
    P6SEL = 0x1F;

    //CCTL0 = CCIE;         //.  TACCTL0.  TimerA, Compare Control 0. Compare 0, Interrupt Enable.
    //CCR0 += 164;          //  TACCR0.  Compare Contorl 0 up Mode Count is 164

    floorit();            //8MHz MCLK and 2MHz SMCLK

    TACTL = TASSEL_1 + MC_1;   //ACLK/1, Activate Timer A in Up Count Mode,
    TACCR0 = 164;                //5msec at 32.768 KHz Clock
    TACCTL0 |= CCIE;             //CCR0 Interrupt Enable

    _BIS_SR(GIE);                         // Enable interrupts  

    while (1)
    {
        X++;
        _BIS_SR(LPM3_bits + GIE);         //Enable LPM3 and Global Interrupts

        Toggle++;
        /*if ((Toggle > 0) && (Toggle <= 1)) P5OUT = 0x01;
        else if ((Toggle >= 2) && (Toggle < 3))P5OUT = 0x00;
        else Toggle = 0;*/


    }


}



//TimerA is called every 5 msec
//Clock Time Period is 1/32KHz.  
//(1/32000)*164 = 0.005125 OR 5.1 msec.
#pragma vector=TIMERA0_VECTOR
__interrupt void Timer_A(void)
{
    static unsigned int Exit_Time = 0;
    static unsigned int Toggle = 0;
    TACCR0 = 164;

    Toggle++;
    /*if ((Toggle > 0) && (Toggle < 2)) P5OUT = 0x01;
    else if ((Toggle >= 2) && (Toggle < 3))P5OUT = 0x00;
    else Toggle = 0;*/

    Exit_Time++;
    if (Exit_Time > 100)  //if runs true every 500 msec
    {
        __bic_SR_register_on_exit(LPM3_bits);         //Exit low power mode
        Exit_Time = 0;
    }

}


void floorit(void)  // 8MHz MCLK  2MHz SMCLK 09/28/2017  
{ 
     
   DCOCTL  = *(unsigned char *) (0x10f8 + CAL_DCO_8MHZ);   
   BCSCTL1 = *(unsigned char *) (0x10f8 + CAL_BC1_8MHZ);  

    _NOP();
    _NOP();
    _NOP();   
  

   BCSCTL2 =  DIVM_0 + DIVS_2;  // DCOLCK for MCLK and SMCLK. //8MHz/1 for MCLK (8MHz), 8MHz/4 for SMCLK (2MHz) 

    _NOP();
    _NOP();  
    _NOP();   
   
}