设置I/O口时,430的时钟不需要配置吧?
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feng zhang1,下面例程是控制P1.0输出翻转的例程,我看了你的程序,如下,你并没有将P3.6设置为输出 ---P3DIR &= ~BIT6;;
//******************************************************************************
// MSP430F23x0 Demo - Software Toggle P1.0
//
// Description; Toggle P1.0 by xor'ing P1.0 inside of a software loop.
// ACLK = n/a, MCLK = SMCLK = default DCO ~1.2MHz
//
//
// A. Dannenberg
// Texas Instruments Inc.
// January 2007
// Built with CCE Version: 3.2.0 and IAR Embedded Workbench Version: 3.41A
//******************************************************************************
#include <msp430.h>
volatile unsigned int i; // volatile to prevent optimization
int main(void)
{
WDTCTL = WDTPW + WDTHOLD; // Stop watchdog timer
P1DIR |= 0x01; // Set P1.0 to output direction
for (;;)
{
P1OUT ^= 0x01; // Toggle P1.0 using exclusive-OR
i = 50000; // Delay
do (i--);
while (i != 0);
}
}