#include "msp430x14x.h" // Standard Equations
void main(void)
{
unsigned int i;
WDTCTL = WDTPW+WDTHOLD; // Stop watchdog timer
P6SEL = 0x01; // Enable A/D channel A0
ADC12CTL0 = ADC12ON+SHT0_2+REFON+REF2_5V; // Turn on and set up ADC12,2.5V Internal REF
//ADC12CTL0 = ADC12ON+SHT0_2+REFON; // Turn on and set up ADC12,1.5V Internal REF
ADC12CTL1 = SHP; // Use sampling timer
ADC12MCTL0 = SREF_1; // Vr+=Vref+
for ( i=0; i<0x3600; i++) // Delay for reference start-up
{
}
ADC12CTL0 = ENC; // Enable conversions
while (1)
{
ADC12CTL0 = ADC12SC; // Start conversion
while ((ADC12IFG & BIT0)==0);
_NOP(); // SET BREAKPOINT HERE
}
}
用这个代码，没有任何的输出，VeREF脚为0V
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楼主
结贴方法不对啊 啊
