//引腳描述：
//		  D0~D7-------->P7(地址數據復用模式，P7為低8位地址）
//		  RD，R/W，AS 分別接單片機的/RD,/WR,ALE(P4.6.P4.7,P4.5)
//		  DS12887工作于Intel方式下

#ifndef DS12887
#define DS12887   1



#define SECOND (*(volatile unsigned char *) 0XA000)  		//秒寄存器地址定義
#define SEC_ALARM (*(volatile unsigned char *) 0XA001) 		//秒報警寄存器地址定義    
#define MINUTE (*(volatile unsigned char *) 0XA002)    		//分寄存器地址定義
#define MIN_ALARM (*(volatile unsigned char *)[ 0XA003)		//分報警寄存器地址定義
#define HOUR (*(volatile unsigned char *) 0XA004)			//小時寄存器地址定義
#define HOUR_ALARM (*(volatile unsigned char *) 0XA005)	//小時報警寄存器地址定義
#define WEEKDAY (*(volatile unsigned char *) 0XA006)		//星期天數寄存器地址定義
#define MONTHDAY (*(volatile unsigned char *) 0XA007)		//月天數寄存器地址定義
#define MONTH (*(volatile unsigned char *) 0XA008)			//月寄存器地址定義
#define YEAR (*(volatile unsigned char *) 0XA009)			//年寄存器地址定義
#define REG_A (*(volatile unsigned char *) 0XA00A)           //寄存器A地址定義
#define REG_B (*(volatile unsigned char *) 0XA00B)            //寄存器B地址定義
#define REG_C (*(volatile unsigned char *) 0XA00C)				//寄存器C地址定義
#define REG_D (*(volatile unsigned char *) 0XA00D)			//寄存器D地址定義

extern void Write_Regtime(unsigned char second,unsigned char minute,unsigned char hour,unsigned char weekday,unsigned char monthday,unsigned char month,unsigned char year);//寫時鐘初值函數
extern void Write_Regalarm(unsigned char second,unsigned char minute,unsigned char hour);//寫報警時間函數（寄存器A為0X20時開啟時鐘）
extern void Write_Regspecial(unsigned char regA,unsigned char regB,unsigned char regC,unsigned char regD);//寫特殊寄存器函數
extern Read_RegSec(void);            //讀秒函數
extern Read_RegMin(void);            //讀分函數
extern Read_RegHour(void);           //讀小時函數

#endif