mypll.h

来自「6713MCBSP模拟异步UART串口程序」· C头文件 代码 · 共 21 行

#include "regs_6713.h"
//PLL initialization
void init_PLL()//PLL config
{	
	while(PLLCSR & 0x00000040 == 0x00000000);//等待时钟稳定
	PLLCSR = PLLCSR & 0xfffffffe;//关闭PLL
	wait(10);
	PLLCSR = PLLCSR | 0x00000008;//PLL复位
	wait(10);
	PLLDIV0 = 0x00008001-1;
	PLLM = 10;//cpu clock = 200MHz
	OSCDIV1 = 1-1;
	PLLDIV1 = 0x00008000+3;
	PLLDIV2 = 0x00008000+3;
	PLLDIV3 = 0x00008000+3;
	PLLCSR = PLLCSR & 0xfffffff7;//释放PLL
	wait(1000);
	PLLCSR = PLLCSR | 0x00000001;//使能PLL
	wait(1000);
}