我的配置怎么不对呢
PWRCON |= XTL12M_EN; //默认时钟源为外部晶振
//while((CLKSTATUS & XTL12M_STB) == 0); //等待12MHz时钟稳定
/***********PLL配置********************/
PLLCON &=0xffff0000;
PLLCON|=0x0000c22e; //PLLOUT=48Mhz
PLLCON &=~(1<<18);
PLLCON &=~(1<<17);
PLLCON &=~(1<<19);
PLLCON &=~(1<<16);
while((CLKSTATUS & PLL_STB ) == 0);
*********************/
CLKSEL0 = (CLKSEL0 & (~HCLK)) | HCLK_PLL;
|