【正文】 0x4A, //1994 0x86,0xB2,0xBf, //1995 0x05,0xAC,0x53, //1996 0x0A,0xB6,0x47, //1997 0x59,0x36,0xBC, //1998 0x09,0x2e,0x50, //1999 294 0x0C,0x96,0x45, //2000 297 0x4d,0x4A,0xB8, //2001 0x0d,0x4A,0x4C, //2002 0x0d,0xA5,0x41, //2003 0x25,0xAA,0xB6, //2004 0x05,0x6A,0x49, //2005 0x7A,0xAd,0xBd, //2006 0x02,0x5d,0x52, //2007 0x09,0x2d,0x47, //2008 0x5C,0x95,0xBA, //2009 0x0A,0x95,0x4e, //2010 0x0B,0x4A,0x43, //2011 0x4B,0x55,0x37, //2012 0x0A,0xd5,0x4A, //2013 0x95,0x5A,0xBf, //2014 0x04,0xBA,0x53, //2015 0x0A,0x5B,0x48, //2016 0x65,0x2B,0xBC, //2017 0x05,0x2B,0x50, //2018 0x0A,0x93,0x45, //2019 0x47,0x4A,0xB9, //2020 0x06,0xAA,0x4C, //2021 0x0A,0xd5,0x41, //2022 0x24,0xdA,0xB6, //2023 0x04,0xB6,0x4A, //2024 0x69,0x57,0x3d, //2025 0x0A,0x4e,0x51, //2026 0x0d,0x26,0x46, //2027 0x5e,0x93,0x3A, //2028 0x0d,0x53,0x4d, //2029 0x05,0xAA,0x43, //2030 0x36,0xB5,0x37, //2031 0x09,0x6d,0x4B, //2032 0xB4,0xAe,0xBf, //2033 0x04,0xAd,0x53, //2034 0x0A,0x4d,0x48, //2035 0x6d,0x25,0xBC, //2036 0x0d,0x25,0x4f, //2037 0x0d,0x52,0x44, //2038 0x5d,0xAA,0x38, //2039 0x0B,0x5A,0x4C, //2040 0x05,0x6d,0x41, //2041 0x24,0xAd,0xB6, //2042 0x04,0x9B,0x4A, //2043 0x7A,0x4B,0xBe, //2044 0x0A,0x4B,0x51, //2045 0x0A,0xA5,0x46, //2046 0x5B,0x52,0xBA, //2047 0x06,0xd2,0x4e, //2048 0x0A,0xdA,0x42, //2049 0x35,0x5B,0x37, //2050 0x09,0x37,0x4B, //2051 0x84,0x97,0xC1, //2052 0x04,0x97,0x53, //2053 0x06,0x4B,0x48, //2054 0x66,0xA5,0x3C, //2055 0x0e,0xA5,0x4f, //2056 0x06,0xB2,0x44, //2057 0x4A,0xB6,0x38, //2058 0x0A,0xAe,0x4C, //2059 0x09,0x2e,0x42, //2060 0x3C,0x97,0x35, //2061 0x0C,0x96,0x49, //2062 0x7d,0x4A,0xBd, //2063 0x0d,0x4A,0x51, //2064 0x0d,0xA5,0x45, //2065 0x55,0xAA,0xBA, //2066 0x05,0x6A,0x4e, //2067 0x0A,0x6d,0x43, //2068 0x45,0x2e,0xB7, //2069 0x05,0x2d,0x4B, //2070 0x8A,0x95,0xBf, //2071 0x0A,0x95,0x53, //2072 0x0B,0x4A,0x47, //2073 0x6B,0x55,0x3B, //2074 0x0A,0xd5,0x4f, //2075 0x05,0x5A,0x45, //2076 0x4A,0x5d,0x38, //2077 0x0A,0x5B,0x4C, //2078 0x05,0x2B,0x42, //2079 0x3A,0x93,0xB6, //2080 0x06,0x93,0x49, //2081 0x77,0x29,0xBd, //2082 0x06,0xAA,0x51, //2083 0x0A,0xd5,0x46, //2084 0x54,0xdA,0xBA, //2085 0x04,0xB6,0x4e, //2086 0x0A,0x57,0x43, //2087 0x45,0x27,0x38, //2088 0x0d,0x26,0x4A, //2089 0x8e,0x93,0x3e, //2090 0x0d,0x52,0x52, //2091 0x0d,0xAA,0x47, //2092 0x66,0xB5,0x3B, //2093 0x05,0x6d,0x4f, //2094 0x04,0xAe,0x45, //2095 0x4A,0x4e,0xB9, //2096 0x0A,0x4d,0x4C, //2097 0x0d,0x15,0x41, //2098 0x2d,0x92,0xB5, //2099}。 ET0 =1。 TL0 = (65536 8000)%256。 0XF0) | 0X01。 //LCD刷新間隔unsigned char flicker = 0。unsigned int counter=0。 unsigned char timer =0。sbit KEY3 = P1^4。sbit KEY1 = P1^2。在對(duì)87C51EPROM編程時(shí)，此引腳用于施加編程電壓VPP。當(dāng)?shù)刂烦?KB時(shí)，將自動(dòng)執(zhí)行片外程序存儲(chǔ)器的程序。我們根據(jù)PSEN、ALE和XTAL2輸出端是否有信號(hào)輸出，可以判別80C51是否在工作。不過，在訪問片外數(shù)據(jù)存儲(chǔ)器時(shí)，這兩次有效PSEN信號(hào)不出現(xiàn)。（6）ALE/PROG（30腳）:在訪問片外程序存儲(chǔ)器時(shí)，此端輸出負(fù)脈沖作為存儲(chǔ)器讀選通信號(hào)。PSEN端同樣可驅(qū)動(dòng)8個(gè)LSTTL負(fù)載。CPU在向片外存儲(chǔ)器取指令期間，PSEN信號(hào)在12個(gè)時(shí)鐘周期中兩次生效。若需采用外部時(shí)鐘電路，對(duì)于HMOS單片機(jī)，該引腳輸入外部時(shí)鐘脈沖；對(duì)于CHMOS單片機(jī)，此引腳應(yīng)懸浮。XTAL2（18腳）:接外部晶體的另一端。在片內(nèi)它是振蕩電路反相放大器的輸入端。電路原理圖設(shè)計(jì)最基本的要求是正確性，其次是布局合理，最后在正確性和布局合理的前提下力求美觀。利用中斷系統(tǒng)使其實(shí)現(xiàn)開始暫停的功能。 開始 開中斷：初始化顯示開機(jī)圖畫調(diào)節(jié)標(biāo)志調(diào)節(jié)值關(guān)中斷讀溫度調(diào)節(jié)標(biāo)志數(shù)據(jù)處理542137其它它6顯示數(shù)據(jù)月年周日秒分時(shí)開中斷 主程序流程圖退出中斷 萬年歷設(shè)計(jì)包括三大模塊：LCD顯示（AMPIRE128x64)、DS1302時(shí)鐘芯片與單片機(jī)時(shí)鐘模塊和DS18B2