#include <msp430x41x.h>
#define FLASH_ADDRESS 0x01000                       //定義FLASH信息區地址B段
unsigned char  write_buff[4]={0x01,0x03,0x04,0x09}; //用于存放被數組
unsigned char checkout[4];                          //讀出緩沖區,用于驗證的

unsigned char num="0";

void flash_erase(unsigned int*);
void read_array(unsigned char  *pc_byte, unsigned char *array,unsigned char amount);
void write_array(unsigned char *pc_byte,unsigned char *array,unsigned char amount);
//******************************************************************************
//FLASH段擦除
void flash_erase(unsigned int *pc_word)
{
 while(FCTL3 & BUSY);                       //如果處于忙狀態，則等待
 FCTL3 = FWKEY ;                          //清出LOCK標志，解鎖
 FCTL1 = FWKEY + ERASE ;                 //允許段擦除
 *pc_word = 0;                         //擦除..擦除..
 while(FCTL3 & BUSY);  
 FCTL3 = FWKEY + LOCK ;             //加鎖
}

//******************************************************************************
//向FLASH信息區讀出指定數量的字節數據
//unsigned int*pc_word :信息區數據指針
//unsigned char *array :讀出數據存放數據數組,8位長
//unsigned char amount :讀操的數量,范圍0-127
void read_array(unsigned char *pc_byte, unsigned char *array,unsigned char amount)
{ unsigned char i;
  if(amount<=127)
  {
    for(i=0;i<amount;i++,pc_byte ++)
    {
      *array = *pc_byte; //讀數據，讀數據時，flash地址自動加 1 
      array++;          //接收緩沖區地址加 1   
    }
  }
}

//******************************************************************************
//向FLASH信息區寫入指定數量的字節數據
//unsigned char *pc_byte 信息區數據指針
//unsigned char *array :讀出數據存放數據數組,8位長
//unsigned char amount :讀操的數量,范圍0-127
void write_array(unsigned char *pc_byte,unsigned char *array, unsigned char amount)
{ unsigned char i;

 while(FCTL3 & BUSY);                    //如果處于忙狀態，則等待
 FCTL3 = FWKEY ;                       //清出LOCK標志
 FCTL1 = FWKEY  + WRT ;              //寫操作，塊編程，+ BLKWRT;

  if(amount<=127)
  {
    for(i=0;i<amount;i++)
    {   
      *pc_byte = *array;
      //*pc_byte = num;
     // num +=1;
      array++;                       //發送緩沖區地址加 1  
      pc_byte++;                   //寫flash時，地址人為加 1
     while(!(FCTL3 & WAIT));   //如果處于忙狀態，則等待　，若用軟件仿真，去掉　　　　　　　　　　　　　　　　?。@語句
    }
   
  }
 FCTL1 = FWKEY;           //寫操作完成，清除編程允許位 WRT，BLKWRT
 while(FCTL3 & BUSY); 
 FCTL3 = FWKEY + LOCK;
}
//******************************************************************************

void main (void)
{ unsigned char *pc_flash;                            //定義字節指針變量
  unsigned int *pc_flash_segment;                     //定義段地址指針變量
  unsigned char i;
  WDTCTL = WDTPW + WDTHOLD;
  FCTL2 = FWKEY + FSSEL_1 + FN1;              //工作頻率設為  MCLK/3，333.3KHZ
  _DINT();
  
  pc_flash = (unsigned char *) FLASH_ADDRESS;         //為指針初始化
  pc_flash_segment = (unsigned int *) FLASH_ADDRESS;  
//---------------------------------------------------
   while(1)
  {       
     flash_erase( pc_flash_segment);                     //段擦除
  
     write_array(pc_flash, write_buff,4);               //寫入指定字節數量
       
     read_array(pc_flash,&checkout[0],4);                    //再讀出剛才寫的字節
  
  }
}

　以上程序在別人的程序基礎上修改的，程序可以運行，通過watch窗口可以觀察check數組．