[N32L4xx] N32L403进入LR RUN模式后功耗没有变化依然是2ma

#include "main.h"



#include <stdio.h>



#include <stdint.h>



#include "n32l40x.h"







void delay(vu32 nCount)



{



    vu32 index = 0;



    for (index = (34000 * nCount); index != 0; index--)



    {



    }



}







void SetSysClock_MSI(void)



{



    if(RESET == RCC_GetFlagStatus(RCC_CTRLSTS_FLAG_MSIRD))



    {



        /* Enable MSI and Config Clock */



        RCC_ConfigMsi(RCC_MSI_ENABLE, RCC_MSI_RANGE_4M);



        /* Waits for MSI start-up */



        while(SUCCESS != RCC_WaitMsiStable());



    }







    /* Enable Prefetch Buffer */



    FLASH_PrefetchBufSet(FLASH_PrefetchBuf_EN);







    /* Select MSI as system clock source */



    RCC_ConfigSysclk(RCC_SYSCLK_SRC_MSI);







    /* Wait till MSI is used as system clock source */



    while (RCC_GetSysclkSrc() != 0x00)



    {



        /* If this bits are always not set,



        it means system clock select MSI failed,



        user can add here some code to deal with this error */



    }







    /* HCLK = SYSCLK */



    RCC_ConfigHclk(RCC_SYSCLK_DIV1);







    /* PCLK2 = HCLK */



    RCC_ConfigPclk2(RCC_HCLK_DIV1);







    /* PCLK1 = HCLK */



    RCC_ConfigPclk1(RCC_HCLK_DIV1);



}







/**



 * [url=/u/brief]@brief[/url]  Main program.



 */



int main(void)



{



    /* Enable PWR Clock */



    RCC_EnableAPB1PeriphClk(RCC_APB1_PERIPH_PWR, ENABLE);







                /* Before entering LP RUN mode, you must make sure that the system clock is less



                than or equal to 4MHz. This project takes configuring MSI (4MHz) as an example, 



                and users can configure other clock sources as system clock as needed */



                SetSysClock_MSI();



                /* Request to enter LP RUN mode sysclock switch to MSI*/



                PWR_EnterLowPowerRunMode();







           while(1)



    { 



    }



}