内部间隙电压和温度传感器 
void ADC_Init(void) 
{ 
        /* configure AVDD as reference voltage*/ 
                SYS_UnlockReg(); 
                SYS->VREFCTL |= 1<<4; 
                SYS_LockReg();         
         
           /* Enable EADC module clock */ 
    CLK_EnableModuleClock(EADC_MODULE); 
 
    /* EADC clock source is HCLK(72MHz), set divider to 8, ADC clock is 72/8 MHz */ 
    CLK_SetModuleClock(EADC_MODULE, 0, CLK_CLKDIV0_EADC(8)); 
 
//    /* Configure the GPB9 for ADC analog input pins.  */ 
//    SYS->GPB_MFPH &= ~(SYS_GPB_MFPH_PB9MFP_Msk | SYS_GPB_MFPH_PB10MFP_Msk); 
//    SYS->GPB_MFPH |= SYS_GPB_MFPH_PB9MFP_EADC_CH6 | SYS_GPB_MFPH_PB10MFP_EADC_CH7; 
 
//    /* Disable the GPB9 digital input path to avoid the leakage current. */ 
//    GPIO_DISABLE_DIGITAL_PATH(PB, BIT9); 
//    GPIO_DISABLE_DIGITAL_PATH(PB, BIT10); 
 
    /* Set the ADC internal sampling time, input mode as single-end and enable the A/D converter */ 
    EADC_Open(EADC, EADC_CTL_DIFFEN_SINGLE_END); 
    EADC_SetInternalSampleTime(EADC, 6); 
 
    /* Configure the sample module 0 for analog input channel 6 and software trigger source.*/ 
//    EADC_ConfigSampleModule(EADC, 16, EADC_SOFTWARE_TRIGGER, 16); 
//    EADC_ConfigSampleModule(EADC, 17, EADC_SOFTWARE_TRIGGER, 17); 
 
                SYS->IVSCTL |= SYS_IVSCTL_VTEMPEN_Msk; 
                 
    EADC_ENABLE_SAMPLE_MODULE_INT(EADC, 0, 1<<16);//Enable ADINT0 sample module 16 interrupt . 
                 
    EADC_ENABLE_SAMPLE_MODULE_INT(EADC, 1, 1<<17);//Enable ADINT1 sample module 17 interrupt. 
 
    /* Clear the A/D ADINT0 interrupt flag for safe */ 
    EADC_CLR_INT_FLAG(EADC, 0x3); 
 
    /* Enable the sample module 0 interrupt.  */ 
    EADC_ENABLE_INT(EADC, 0x3);//Enable sample module A/D ADINT0 interrupt. 
                 
                NVIC_EnableIRQ(ADC00_IRQn); 
                 
                NVIC_EnableIRQ(ADC01_IRQn); 
} |