產品型號: DS1302 詳細說明 數:10625 /＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊ 公司名稱：模塊名稱：DS1302.c 功 能：實時時鐘模塊 時鐘芯片型號：DS1302 說 明：程序設計：zhaojunjie 設計時間：2002.03.02 版 本 號: 20020302 ＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊/ #Include sbit T_CLK = P2^7; /＊實時時鐘時鐘線引腳 ＊/ sbit T_IO = P1^4; /＊實時時鐘數據線引腳 ＊/ sbit T_RST = P1^5; /＊實時時鐘復位線引腳 ＊/ sbit ACC0 = ACC^0; sbit ACC7 = ACC^7; void RTInputByte(uchar); /＊ 輸入 1Byte ＊/ uchar RTOutputByte(void); /＊ 輸出?1Byte ＊/ void W1302(uchar, uchar); uchar R1302(uchar); void Set1302(uchar ＊); /＊ 設置時間 ＊/ void Bcd2asc(uchar,uchar ＊); void Get1302(uchar curtime[]); /＊ 讀取1302當前時間 ＊/ /＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊ 函 數 名：RTInputByte() 功 能：實時時鐘寫入一字節說 明：往DS1302寫入1Byte數據 (內部函數) 入口參數：d 寫入的數據 返 回 值：無 設 計：zhaojunjie 日 期：2002-03-19 修 改： 日 期： ＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊/ void RTInputByte(uchar d) { uchar i; ACC = d; for(i=8; i>0; i--) { T_IO = ACC0; /＊相當于匯編中的 RRC ＊/ T_CLK = 1; T_CLK = 0; ACC = ACC >> 1; } } /＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊ 函 數 名：RTOutputByte() 功 能：實時時鐘讀取一字節說 明：從DS1302讀取1Byte數據 (內部函數) 入口參數：無 返 回 值：ACC 設 計：zhaojunjie 日 期：2002-03-19 修 改： 日 期： ＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊/ uchar RTOutputByte(void) { uchar i; for(i=8; i>0; i--) { ACC = ACC >>1; /＊相當于匯編中的 RRC ＊/ ACC7 = T_IO; T_CLK = 1; T_CLK = 0; } return(ACC); } /＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊ 函 數 名：W1302() 功 能：往DS1302寫入數據說 明：先寫地址，后寫命令/數據 (內部函數) 調 用：RTInputByte() , RTOutputByte() 入口參數：ucAddr: DS1302地址, ucData: 要寫的數據返 回 值：無設 計：zhaojunjie 日 期：2002-03-19 修 改： 日 期： ＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊/ void W1302(uchar ucAddr, uchar ucDa) { T_RST = 0; T_CLK = 0; T_RST = 1; RTInputByte(ucAddr); /＊ 地址，命令 ＊/ RTInputByte(ucDa); /＊ 寫1Byte數據＊/ T_CLK = 1; T_RST = 0; } /＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊ 函
上海圖一實業有限公司地處上海繁華商業區-徐家匯， 是國內微電子行業專業經銷商，公司全面經銷、代理國內外大型集成電路(芯片)生產企業:前身為摩托羅拉半導體的Freescale Semiconductor Inc.飛思卡爾半導體,美國國家半導體,菲利普，中國臺灣合泰、國內各大芯片生產企業的各類芯片產品，為客戶提供技術解決方案及貼身商業服務。并根據要求與客戶共同開發適銷對路的專業電子產品，使貴公司在當今微電子信息產業迅猛發展的浪潮中贏得先機。 上海圖一實業有限公司的產品應用范圍極廣，現有產品涉及領域包括： 電子、儀表行業： 可提供IC產品包括：H橋驅動IC、LCD顯示驅動IC 、實時時鐘集成電路IC、硬時鐘電路IC、數字時鐘LED電路IC。 應用于電表、顯示儀表、汽車儀表中的步進電機、十字線圈、指針式、數字顯示式儀表、準確時間應用及顯示、ht1621、HT1621B、HT1621D、RS5C372等 小型家用電器行業： 可提供IC產品包括：電子鎮流器驅動IC、LCD顯示驅動ht1621、ht1621B、HT1621D、HT1622、BL55021、BL55022應用于：PDA、筆記本、掌上電腦、隨身聽、便攜式DVD/VCD等、LED手電筒等 物流、防偽行業： 可提供IC產品包括：全新電子標簽芯片,PHILIP SL1 應用于：物流控制、產品防偽 消防安全行業： 可提供IC產品包括：煙霧探測器MC145010P、MC145010DW、MC145012P、MC145012DW、MC14467、MC145018P芯片。應用于：光電、離子式煙霧探測器 電源管理行業： 可提供IC產品包括：DC-DC升壓電路BL8505，BL8530,BL8532,BL8503,BL8506,LDO降壓電路1117，HT7130、HT7133、HT7136、HT7144、HT7150，HT7530、HT7533、HT7536、HT7544、HT7550，Pt4105電壓檢測電路HT7027,HT7044,AC-DC電路應用于：電子辭典、數碼相機、LED手電筒、LED燈、*、MP3、遙控玩具、無線耳機、無線鼠標鍵盤、醫療器械、防丟器、汽車防盜器、充電器等便攜式電子產品。 軍用單片機：Intel 386Ex，80C31，80C32,DS80C320以上均有陶瓷封裝根據客戶的要求開發相應部分的功能模塊。
HT1381/HT1621/HT1622/單片機復位芯片;降壓芯片;升壓芯片;電壓檢測芯片
時鐘芯片DS1302 的程序 產品信息
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