#include <LPC213X.H>
#include "Config.H"

void  sys_init()
{
	// 系統頻率初始化
	PLLCON = 1;
	VPBDIV = 0x01;
	PLLCFG = 0x23;

	PLLFEED = 0xaa;
	PLLFEED = 0x55;
	while((PLLSTAT & (1 << 10)) == 0);
	PLLCON = 3;
	PLLFEED = 0xaa;
	PLLFEED = 0x55;

	// 設置3個CCLK周期訪問Flash存儲器
	MAMCR   = 0;
	MAMTIM  = 0x03;
	MAMCR   = 2;

	// 中斷初始化
	VICIntEnClr = 0xffffffff;
	VICVectAddr = 0;
	VICIntSelect = 0;
}

//注意:本函數應放在main()中,具體位置應當放在main()中定義的各個變量之后