DZ60 Flash擦写程序问题

高频, 程序, include, Flash

程序如下，没有写进去，FCCF位一直是1，为什么？？
哪有问题了？？

#include <hidef.h> /* for EnableInterrupts macro */
#include "derivative.h" /* include peripheral declarations */

#define UINT8 unsigned char
#define UINT16 unsigned int

/****************总线时钟设置 busfre=8MHz*******************/
void PLL_Init (void) //FEI-->FBE--> PBE-->PEE busfre=8MHz
{
SOPT1=0x00;
MCGC2=0x36;//00110110
            //BDIV=00 总线频率=?/1
            //RANGE=1 选择高频范围
            //HGO=1    高增益模式
            //LP=0 旁路模式激活PLL、FLL
            //EREFS=1    选择振荡器
            //ERCLKEN=1 外部时钟使能
            //EREFSTEN=0 停止状态时禁用
  while(!MCGSC_OSCINIT); //循环检测 EREFS选择的晶体初始化完成

  MCGC1=0xB8; //10111000                         ///////////////FEI-->FBE ///////////////////
               //CLKS=10 选择外部参考时钟
               //RDIV=111 4MHz/128=31.25KHz
               //IREFS=0 选择外部参考时钟
  while(MCGSC_IREFST);    //循环检测外部参考是否是当前时钟参考
  while((MCGSC_CLKST)^(0x02)); //循环检测
  MCGC2_LP=1;
  MCGC1=0x90;    //10010000                         ////////////////FBE-->BLPE//////////////////
               //CLKS=10
               //RDIV=010 4MHz/4=1MHz
               //IREFS=0
  MCGC3=0x44;    //01000100
               //PLLS=1
               //VDIV=0100 1MHz*16=16MHz
MCGC2_LP=0;                                        //////////////BLPE-->PBE////////////////////////
while(!MCGSC_PLLST);
while(!MCGSC_LOCK); //循环检测

MCGC1=0x10; //00010000                            ///////////////PBE-->PEE//////////////////
            //CLKS=00 选择PLL输出为系统时钟源
            //RDIV=010 4MHz/4=1MHz
while((MCGSC_CLKST)^(0x03)); //  循环检测
                              // MCGOUT=1MHz*16/1=16MHz busfre=MCGOUT/2=8MHz

}

void FCLK_Init()
{

FCDIV=39;       //PRDIV8=0,DIV=39  fFCLK=200kHz
}

UINT8  Page_Erase(UINT8 Adress)
{
if(FSTAT&0x10)    //check  to see if FACCERR is set
{
      FSTAT=FSTAT|0x10;          //write 1 to FACCERR to clear
}
(*((volatile UINT8*)(Adress)))=0xaa;       //write to somewhere in flash
FCMD=0x40;                   //  set command type    sector erase
FSTAT=FSTAT|0x80;             //put FCBEF at 1
_asm NOP;
_asm NOP;
_asm NOP;
_asm NOP;                      //wait four cycles
if(FSTAT&0x30)                //check to see if FACCERR or FPVIOL are set
{
      return 0x00;                //if so ,Error
}
while (!(FSTAT&0x40));          //wait for command to complete
return 0x01;
}

UINT8  Program_Byte(UINT16 Adress,UINT8 data)
{
if(FSTAT&0x10)    //check  to see if FACCERR is set
{
      FSTAT=FSTAT|0x10;          //write 1 to FACCERR to clear
}
(*((volatile UINT16*)(Adress)))=data;       //write data to somewhere in flash
FCMD=0x20;                   //  set command type    byte program
FSTAT=FSTAT|0x80;             //put FCBEF at 1
_asm NOP;
_asm NOP;
_asm NOP;
_asm NOP;                      //wait four cycles
if(FSTAT&0x30)                //check to see if FACCERR or FPVIOL are set
{
      return 0x00;                //if so ,Error
}
while (!(FSTAT&0x40));          //wait for command to complete
return 0x01;
}

void main(void)
{
UINT8  temp1,temp2;
PLL_Init();
FCLK_Init();
DisableInterrupts;
temp1=Page_Erase(0xFF00);
temp2=Program_Byte(0xFF00,0x00);
for(;;);

}

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