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MSP430F247

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WDTCTL = WDTPW + WDTHOLD; // Stop Watchdog Timer
if (CALBC1_8MHZ==0xFF) // If calibration constant erased
{
while(1); // do not load, trap CPU!!
}
DCOCTL = 0; // Select lowest DCOx and MODx settings
BCSCTL1 = CALBC1_8MHZ; // Set DCO to 8MHz
DCOCTL = CALDCO_8MHZ;

一直在停在while(1); // do not load, trap CPU!! 

以前都是好的 版本为  E 和 F

新买的以MSP430F247 版本为D  就是通不过时钟校准,新买的怎么信息段被擦除了,


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