ADuC812单片机实验指导书

ljᴎẄ㋏㒳ᖂᴎ᥻ࠊNJ䇒⿟üü ᅲ 偠 ᣛ ᇐ к ᄭᤃ೑ 䶽䌲ϰ Џ㓪 ⏙ढ໻ᄺᴎẄᎹ⿟㋏ Ѡ䳊䳊ܿᑈϝ᳜ II Ⳃᔩ ሱ䶒 .......................................................................................................................................................... I Ⳃᔩ ......................................................................................................................................................... II ㄀ϔゴ ADUC812ऩ⠛ᴎᬭᄺ㋏㒳 .................................................................................................... 1 1ǃ⹀ӊ⦃๗ҟ㒡 ................................................................................................................................ 1 2ǃᓔথ⦃๗Փ⫼ ................................................................................................................................ 3 ��� Փ⫼ .HLO& ᓎゟϔϾ㞾Ꮕⱘ⿟ᑣ ........................................................................................... 3 ��� ᇚ㓪䆥ⱘ⿟ᑣ᭛ӊݭܹऩ⠛ᴎЁ ......................................................................................... 6 3ǃᬭᄺᅲ偠 ........................................................................................................................................ 9 ����᭄ᄫ䕧ܹ䕧ߎ῵ഫ˄,�2˅ .................................................................................................... 9 ����Ёᮁ㋏㒳ǃᅮᯊ఼�䅵఼᭄ .................................................................................................. 13 ����῵ᢳ᥹ষ $�' ੠ '�$ ............................................................................................................. 18 ����0&8 㓐ড়ᅲ偠 ......................................................................................................................... 23 ㄀ 1义 ㄀ϔゴ ADuC812ऩ⠛ᴎᬭᄺ㋏㒳 ᄺདऩ⠛ᴎˈ䳔㽕خདϸ䚼ߚᎹ԰DŽϔᰃᥠᦵᠢᅲⱘऩ⠛ᴎ෎⸔⧚䆎ˈ䖭䚼ߚࣙᣀऩ⠛ ᴎⱘᎹ԰ॳ⧚ǃЁᮁⱘᎹ԰ॳ⧚ǃIO ῵ഫҹঞ䅵ᯊ఼Ꮉ԰ॳ⧚ㄝDŽѠᰃ೼⧚䆎ⱘᣛᇐϟ䖯 㸠㓪⿟ᅲ䏉ˈ೼ᅲ䏉Ёϡᮁᔎ࣪ᇍऩ⠛ᴎⱘ䅸䆚DŽऩ⠛ᴎᄺдⱘ᳔㒜Ⳃⱘ೼ѢՓ⫼ˈ಴ℸᅲ 䏉ᰃҹϞϸ䚼ߚᄺдⱘ䞡⚍DŽ 1ǃ⹀ӊ⦃๗ҟ㒡 Ўњֱ䆕ᅲ偠ⱘ乎߽ᅠ៤ˈ䇋೼ᅲ偠ࠡᇍ✻ҹϟᅲ偠⹀ӊ⏙ऩẔᶹ⹀ӊᰃ৺ᅠᭈDŽ 㸼 1.1 ᅲ偠⹀ӊ⏙ऩ ܗӊৡ⿄� ᭄䞣� ᖂᴎ⬉⑤ 1ৄ ऩ⠛ᴎᬭᄺᅲ偠㋏㒳 ᳔ᇣ㋏㒳ᵓ 1ഫ ໮ࡳ㛑ᵓ 1ഫ ล᭭Ⲧ 1Ͼ ⬉⑤㒓˄㑶/㉝˖ˇ5Vˈ咥˖ഄ˅ 1ḍ Іষ㒓 1ḍ ೒ ����ᅲ偠㋏㒳ᅲ⠽೒� ADuC812 ㅔᣛҸऩ⠛ᴎⱘᬭᄺᅲ偠㋏㒳⬅ऩ⠛ᴎ᳔ᇣ㋏㒳ǃ໮ࡳ㛑ᅲ偠ᵓǃࡴ⛁ϱ੠ ˇ�9⬉⑤� Іষ ㄀ 2义 Ӵᛳ఼೎ᅮᵓǃล᭭Ⲧ㒘៤DŽล᭭Ⲧݙ䚼԰Ў⏽ᑺ᥻ࠊⱘぎ䯈ˈ೼ℸぎ䯈ⱘᑩᑻϞᅝ㺙ࡴ⛁ ϱ੠Ӵᛳ఼೎ᅮᵓˈҹᅠ៤ᇍぎ䯈ⱘࡴ⛁੠ᇍぎ䯈⏽ᑺⱘӴᛳDŽ೼ล᭭Ⲧϸջˈϔջᅝ㺙亢 ᠛ˈϔջᠧᄨ䗣亢DŽ໮ࡳ㛑ᬭᄺᵓ੠᳔ᇣ㋏㒳ᵓᅝ㺙೼ล᭭ⲦϞDŽ ೼䖯㸠ऩ⠛ᴎᬭᄺᯊˈ㢹ϡخ⏽ᑺ᥻ࠊᅲ偠ˈล᭭Ⲧা԰Ўᅲ偠ᵓⱘᬃᩥDŽ ೼خऩ⠛ᴎ㓪⿟ᅲ偠ᯊˈ䳔㽕ᇚ೒Ёⱘˇ5V⬉⑤㒓᥹೼ˇ5Vⱘ〇य़⬉⑤Ϟˈᑊ⊼ᛣϡ 㽕ᇚ⬉⑤ⱘℷ䋳ᵕ᥹ডˈ݊Ё㉝㉝㡆/㑶㡆㒓᥹ℷᵕˈⱑ㡆㒓᥹ഄDŽІষ䗮䖛Іষ㒓Ϣ䅵ㅫᴎ ⱘІষⳌ䖲ˈ԰Ў⿟ᑣϟ䕑ࠄऩ⠛ᴎⱘ䗮䘧DŽ ೒ ��� ᳔ᇣ㋏㒳ᅲ⠽೒� ADuC812 ᳔ᇣ㋏㒳⬅ऩ⠛ᴎ㢃⠛ǃ᱊ᤃǃᎹ԰⬉⑤⬉䏃ǃІষ⬉य़䕀ᤶ⬉䏃ǃ㢃⠛໡ ԡ⬉䏃ǃAD੠ DAⱘ䎳䱣⬉䏃ǃথܝѠᵕㅵ⌟䆩⬉䏃ㄝ㒘៤ˈ݊ᅲ⠽೒བ೒ 1.2᠔⼎DŽ㢹 䗮䖛⬉⑤ᦦ༈㒭᳔ᇣ㋏㒳ऩ⣀կ⬉˄ˇ5Vˈݙℷ໪䋳˅ˈ ᳔߭ᇣ㋏㒳ৃऩ⣀Ꮉ԰DŽ ⬉⑤ᦦ༈ ໡ԡ䬂 㓪⿟䬂 ᇍ໪᥹ষᇍ໪᥹ষ ⌟䆩⫼♃ ऩ⠛ᴎ ㄀ 3义 2ǃᓔথ⦃๗Փ⫼ ��� Փ⫼ .HLO& ᓎゟϔϾ㞾Ꮕⱘ⿟ᑣ� ऩ⠛ᴎⱘᓔথᑇৄ᳝ᕜ໮ˈ䖭䞠䗝⫼њ Keilᓔথᑇৄˈϟ䴶ህᇍ Keilᓔথᑇৄ԰ϔϾ ҟ㒡DŽ Keil C51ऩ⠛ᴎᓔথᑇৄᰃ㕢೑ Keil Software݀ৌߎકⱘ 51㋏߫ݐᆍऩ⠛ᴎ C䇁㿔䕃 ӊᓔথ㋏㒳DŽϢ∛㓪Ⳍ↨ˈC䇁㿔೼ࡳ㛑Ϟǃ㒧ᵘᗻǃৃ䇏ᗻǃৃ㓈ᡸᗻϞ᳝ᯢᰒⱘӬ࢓ˈ ಴㗠ᯧᄺᯧ⫼DŽ Keil ᦤկЄᆠⱘᑧߑ᭄੠ࡳ㛑ᔎ໻ⱘ䲚៤ᓔথ䇗䆩Ꮉ݋ˈܼ Windows ⬠䴶DŽ঺໪䞡㽕 ⱘϔ⚍ Kˈeil C51⫳៤ⱘⳂᷛҷⷕᬜ⥛䴲ᐌП催ˈ໮᭄䇁হ⫳៤ⱘ∛㓪ҷⷕᕜ㋻ޥˈᆍᯧ⧚ 㾷DŽ೼ᓔথ໻ൟ䕃ӊᯊ᳈㛑ԧ⦄催㑻䇁㿔ⱘӬ࢓DŽ ℸऩ⠛ᴎ㋏㒳䞛⫼KeilC䖯㸠⿟ᑣᓔথDŽ೼ᅲ偠ࠡ৘ৄ䅵ㅫᴎᏆ㒣ᅝ㺙њKeilC㓪䕥఼ˈ KeilC㓪䕥఼ⱘ೒ᷛབ೒ 2.1᠔⼎DŽKeilCՓ⫼ⱘᰃ C䇁㿔԰Ў㓪⿟䇁㿔ˈབᵰᇍ C䇁㿔ϡ ❳ᙝˈᓎ䆂ܜᡒϔᴀ C䇁㿔ⱘк㈡ⳟⳟˈা䳔㽕њ㾷᳔ㅔऩⱘ C䇁㿔ⱘ䇁⊩㾘߭ेৃDŽ ϟ䴶ҟ㒡ϔϟᓎゟϔϾᎹ⿟乍Ⳃⱘℹ偸DŽ ㄀ϔℹˈঠߏ೒ᷛ˄བ೒ 2.1˅䖤㸠 KeilC⿟ᑣDŽབ೒ 2.2DŽ ೒ 2.1 KeilC ⿟ᑣ೒ᷛ ೒ 2.2 KeilCਃࡼ⬠䴶 ㄀Ѡℹ ᮄˈᓎ乍ⳂDŽՓ⫼ Keil㓪ݭ⿟ᑣ䳔㽕佪ܜᮄᓎϔϾ乍Ⳃ ऩˈߏǏProjectǐ=>ǏNew Project…ǐˈ བ೒ 2.3DŽ✊ৢ䗝ᢽᮄ乍Ⳃᄬᬒⱘഄᮍঞ᭛ӊৡ ✊ˈৢህӮᔍߎ೒ 2.4ⱘᇍ䆱Ḛˈ 䗝ᢽǏAnalog Devicesǐ=> ǏADuC812ǐˈ ᅠ៤ϔϾᮄⱘ乍Ⳃⱘ߯ᓎDŽ ㄀ 4义 ೒ 2.3 ᮄᓎ乍Ⳃ ㄀ϝℹˈׂᬍ乍ⳂሲᗻDŽ೼乍Ⳃᮄᓎᅠ៤ৢˈ䳔㽕ׂᬍ乍Ⳃⱘሲᗻˈ݊Ёࣙᣀ㢃⠛Փ⫼ ⱘ᱊ᤃ໻ᇣ˄䖭ϔ乍Џ㽕⫼Ѣӓⳳ˅ˈ ᰃ৺㓪䆥⫳៤ HEX ᭛ӊㄝDŽ೼Ꮊ䖍䌘⑤⌣㾜఼Ёⱘ ǏTarget 1ǐϞऩߏে䬂ˈ䗝ᢽǏOperations for TargetþTarget 1ÿǐˈ 䗝ᢽ Output䗝乍义䴶ˈ བ೒ 2.5DŽᇚǏCreate HEX File ǐ˖ϔ乍ⱘࠡ䴶ᮍḚЁᠧϞ䩽ˈ䖭ḋ㓪䆥ৢⱘ⿟ᑣᠡ㛑ҹ HEX ᭛ӊᔶᓣ䕧ߎˈℸᯊ乍ⳂᏆ㒣䜡㕂ᅠ៤њˈ᥹ϟᴹህ䖯ܹࠄ㓪⿟⦃㡖DŽ ೒ 2.4 䗝ᢽऩ⠛ᴎ ㄀ 5义 ೒ 2.5 䕧ߎ䗝乍䆒㕂义䴶 ㄀ಯℹˈ৥乍ⳂЁ⏏ࡴ⿟ᑣ᭛ӊDŽ೼᳝њ乍ⳂПৢህ䳔㽕ᓔྟ㓪ݭ⿟ᑣDŽ佪ܜᮄᓎϔϾ ᭛ӊˈ䗝ᢽǏFileǐ=>ǏNewǐˈ ✊ৢᇚ݊঺ᄬЎϔϾ C᭛ӊ˄े*.c˅ⱘ᭛ӊˈऩߏǏFileǐ =>ǏSave As…ǐˈ 䕧ܹ㽕ֱᄬⱘ⿟ᑣ᭛ӊৡˈ䕧ܹ*.cˈ݊Ё*ҷ㸼㽕পⱘ᭛ӊⱘৡᄫˈ✊ৢ ᇚℸ᭛ӊࡴܹ乍ⳂЁ ೼ˈǏSource Group 1ǐϞऩߏে䬂 䗝ˈᢽǏAdd File to GroupþSource Group 1ÿǐˈ 䗝ᢽ߮ᠡֱᄬⱘ᭛ӊৢऩߏǏAddǐˈ བᵰ᳝໮Ͼ᭛ӊ䳔㽕ࡴܹᎹ⿟Ёˈ߭䞡໡ҹϞℹ 偸ˈ᳔ৢऩߏǏCloseǐ䗔ߎˈℸᯊᏆ㒣خདњ㓪ݭҷⷕࠡⱘܼ䚼ޚ໛Ꮉ԰DŽ᥹ϟᴹህᯊᕔ ᭛ӊЁݭܹ݋ԧⱘ⿟ᑣDŽ ೒ 2.6 ᇚ⑤᭛ӊࡴܹ乍ⳂЁ ㄀ 6义 ݋ԧⱘ⿟ᑣ㓪ݭ೼ᴀゴৢ䴶䚼ߚݡ䆺㒚ҟ㒡DŽᔧ⿟ᑣ㓪ݭᅠ៤ৢˈ䳔㽕ᇍℸ乍Ⳃ䖯㸠㓪 䆥ˈऩߏǏProjectǐ=>ǏBuild targetǐˈ ៪㗙ऩߏᎹ݋ᷣϞⱘ DŽབᵰ㓪䆥ߎ䫭ˈ߭Ӯ೼ ϟᮍⱘ㓪䆥䕧ߎḚЁᰒ⼎ߎᴹˈབ೒ 2.7DŽ ೒ 2.7 㓪䆥ߎ䫭 ḍ᥂ߎ䫭ᦤ⼎ˈׂᬍ⑤᭛ӊˈ✊ৢ䞡໡㓪䆥ℹ偸ˈⳈ㟇⫳៤ HEX ᭛ӊDŽ㓪䆥៤ࡳৢˈ ᇚ⫳៤ⱘ⿟ᑣ䗮䖛 ADuC812ϧ⫼ⱘϟ䕑఼ϟ䕑ࠄऩ⠛ᴎЁህᅠ៤њᭈϾ䕃ӊⱘ㓪⿟䜡㕂Ꮉ ԰ˈ㓪ݭⱘ⿟ᑣህᇚ೼ऩ⠛ᴎЁ䖤㸠ˈབᵰ㓪ݭⱘ⿟ᑣ≵᳝䫭䇃ˈℸᯊ៥Ӏህ㛑ⳟࠄᅲ偠⦄ 䈵њDŽ ���� �ᇚ㓪䆥ⱘ⿟ᑣ᭛ӊݭܹऩ⠛ᴎЁ� ᇚ᳔ᇣ㋏㒳ᅝ㺙೼໮ࡳ㛑ᵓϞˈᑊᇚ໮ࡳ㛑ᵓⱘ⬉⑤᥹೼ 5V ⱘ〇य़⬉⑤Ϟˈ⊼ᛣ⬉⬉⑤ ⱘℷ䋳ˈ㉝㡆៪㑶㡆㒓᥹ˇ5Vˈ咥㡆㒓᥹ഄDŽᑊ⫼І㸠㒓ᇚ⬉㛥੠໮ࡳ㛑ᵓⳌ㘨DŽ ೼⹂䅸䖲᥹ℷ⹂Пৢᠧᓔ⬉⑤ˈℸᯊ䖬ϡ㛑䗮䖛ϧ⫼ⱘ⿟ᑣϟ䕑䕃ӊϟ䕑⿟ᑣˈ㽕䖯㸠 ⿟ᑣϟ䕑ˈ佪ܜ㽕䖯㸠ϟ߫䞡㕂ℹ偸˖ܜܜᣝϟ PSEN 䬂ˈ೼ֱᣕ PSEN ᣝϟⱘৠᯊˈᣝϟ RESET䬂ᑊᢀ䍋ˈ᳔ৢᢀ䍋 PSEN䬂ˈℸᯊऩ⠛ᴎ䖯ܹㄝᕙ⿟ᑣ⚻ݭ⢊ᗕDŽ ADuC812 ৃҹ䗮䖛Іষᇍ㢃⠛ⱘ⠛ݙⱘ⬉ৃ᪺䰸⿟ᑣټᄬऎ䖯㸠⚻ݭˈ䖭Ͼ⚻ݭ䖛⿟ ᳝݊݋ԧⱘ䇏ݭᯊᑣ Փˈ⫼ AD݀ৌⱘ㢃⠛ৃⳕএњ䖭Ͼ㐕⧤ⱘℹ偸 ೼ˈ݊݀ৌⱘЏ义ৃҹ ᡒࠄϧ⫼ⱘ⿟ᑣϟ䕑఼˄WSD.EXE˅,䖤㸠ৢⱘ⬠䴶བ೒ 2.8DŽ ㄀ 7义 ೒ 2.8 ADuC812ϟ䕑఼ ݋ԧ⿟ᑣϟ䕑ℹ偸བϟ: ㄀ϔℹˈϟ䕑খ᭄䜡㕂DŽऩߏ Configurationᣝ䬂ˈߎ⦄བ೒ 2.9ⱘ䆒㕂㦰ऩˈ䜡㕂ϟ 䕑఼ⱘ䆒㕂DŽЏ㽕䆒㕂᳝ϝϾˈߚ߿೼೒ 2.9Ё⫼咥㡆೜೜ԣDŽᎺϞ㾦ⱘᰃІষⱘ㓪োˈ䖭 乍ⱘ䗝ᢽϢऩ⠛ᴎⱘІষ੠⬉㛥Іষⱘ䖲᥹݇㋏᳝݇ ϔˈ㠀᥹⬉㛥ⱘϞッІষЎ COM1 Ё˗ 䯈ϔϾᰃᔧࠡऩ⠛ᴎ䞛⫼ⱘᎹ԰᱊ᤃ乥⥛໻ᇣˈ䗝ᢽ Other crystal乍ৢˈ೼ৢ䴶ⱘ᭛ᴀḚЁ ฿ܹ 12˗ϟ䴶ϔϾ咥೜䗝乍ᰃ⹂ᅮᰃ৺೼⿟ᑣϟ䕑ৢ㞾ࡼ䖤㸠ˈϔ㠀гᇚ䖭ϔ乍࣒䗝Ϟˈ ೼ℷ⹂䆒㕂ৢˈ⹂ᅮ䗔ߎ䜡㕂⬠䴶DŽ ೒ 2.9 ADuC812ϟ䕑఼ ㄀ 8义 ㄀Ѡℹˈ⿟ᑣ⚻ݭDŽ⚍ߏ AD݀ৌϧ⫼⚻ݭ⿟ᑣЁⱘ Download䬂ˈབᵰ㛑໳䅸ߎऩ⠛ ᴎⱘൟোᑊᰒ⼎೼⬠䴶েϞ㾦བ೒ 2.10 Ё咥೜᠔⼎ˈ߭㸼ᯢऩ⠛ᴎ㛑໳䖯㸠⿟ᑣϟ䕑DŽϨ ℸᯊ㛑໳ᔍߎϔϾᠧᓔ᭛ӊⱘᇍ䆱Ḛˈ೼ᇍ䆱ḚЁ䗝ᢽ߮߮㓪䆥ৢⱘ HEX᭛ӊˈ✊ৢ⚍ߏ ⹂ᅮህৃҹᇚ⿟ᑣϟ䕑ࠄऩ⠛ᴎЁDŽ བᵰ᮴⊩ℷ⹂ϟ䕑ˈ߭䇋ᣝབϟℹ偸䖯㸠Ẕᶹ˖ ˄1˅� 䞡໡䞡㕂ℹ偸 ๲ˈࡴ PSENⱘᣝϟᯊ䯈 ᑊˈ೼ PSEN䞞ᬒৢ ᓊˈ䭓 RESET 䬂ֱᣕᣝϟⱘᯊ䯈ৢ䞞ᬒDŽ ˄2˅� ẔᶹІষ㒓ϸッᰃ৺ℷᐌ䖲᥹ࠄ⬉㛥੠䆩偠ᵓˈ⹂ᅮІষ㒓ᰃѸঝ㒓DŽ ˄3˅� ϟ䕑䕃ӊⱘ䆒㕂ᰃ৺ℷ⹂˄᱊ᤃ乥⥛ˈ⬉㛥Іষো˅ ϔ㠀㒣䖛ҹϞℹ偸ህৃҹᥦ䰸ᬙ䱰ˈབᵰᬙ䱰ձᮻˈ䇋䗮䖛ࡽᬭ᳈ᤶᅲ偠Ҿ఼DŽ ೒ 2.10 ϟ䕑఼Ꮖ㒣ᅠ៤Ϣऩ㆛ᴎⱘ䗮䆃 ㄀ 9义 3ǃᬭᄺᅲ偠 ҹϟⱘᅲ偠ݙᆍᇚ⍝ঞᕜ໮⡍⅞ࡳ㛑ᆘᄬ఼˄SFR special function register˅,䖭ѯᆘᄬ఼ 䛑᳝Ⳍᑨⱘৡ⿄DŽҪӀ೼ऩ⠛ᴎЁাᰃϔϾ⡍⅞ⱘᄬټ఼ぎ䯈ഄഔ བˈᵰ㽕Ⳉ᥹Փ⫼䖭ѯᆘ ᄬ఼ˈ䳔㽕佪ܜᶹ䆶䖭ѯᆘᄬ఼ৡ⿄੠ݙᄬഄഔ݋ԧⱘᇍᑨ݇㋏˄㾕䌘᭭䰘ᔩ 1˅ˈ ✊ৢᇍ 䖭ѯഄഔ䖯㸠᪡԰DŽЎњᮍ֓⿟ᑣⱘ㓪ݭ੠䯙䇏ˈ䖭ѯᆘᄬ఼೼༈᭛ӊЁ䛑 㒭ߎњᅮНDŽ᠔ҹ೼ҹϟⱘᅲ偠⿟ᑣЁˈབᵰ೼⿟ᑣЁࣙᣀњℸ༈᭛ӊˈህৃҹڣՓ⫼ব䞣 ϔḋˈ䗮䖛⡍⅞ᆘᄬ఼ⱘৡ⿄ᴹ᪡԰䖭ѯᆘᄬ఼DŽ՟བ˖᥻ࠊ P0ッষⱘ⡍⅞ࡳ㛑ᆘᄬ఼ৡ ህЎ P0ˈ䗮䖛ᶹ䆶䰘ӊ 1Ёⱘ㸼Ḑˈᕫࠄ݊ᄬټ఼ഄഔЎ 80Hˈ咬䅸ؐЎ FFHDŽ಴ℸ៥Ӏ ৃҹ೼⿟ᑣЁ৥ 80H ⱘݙᄬぎ䯈ݭ᭄᥂ˈ៪㗙೼ࣙ৿њ༈᭛ӊৢˈЎ P0 䌟 ؐᴹ䖒ࠄ᪡԰ P0ッষⱘⳂⱘDŽ ����᭄ᄫ䕧ܹ䕧ߎ῵ഫ˄,�2˅� 3.1.1 I/Oㅔҟ ADuC812᳝݅ 4Ͼ 8ԡ I/OষDŽP0ৃ԰Ў䕧ܹ䕧ߎষˈгৃ԰Ўഄഔᘏ㒓ˈᔧ԰Ў䕧 ܹ䕧ߎষᯊˈܿϾ I/Oষഛᰃᓔⓣⱘঠ৥ষˈℸᯊ৥ P0ッষݭ 0 Pˈ0ᇚ᥹ഄ˗ᔧ৥ P0ッষ ݭ 1ˈP0 ᇚ៤Ў催䰏ᗕDŽP1 ᰃܿԡⱘ䕧ܹッষˈгৃ԰Ў AD䕧ܹ䕀ᤶ䗮䘧ˈϸࡳ㛑䛑ᰃ 䕧ܹˈℸッষϡ㛑䕧ߎDŽЎњ䅽 P1԰Ў᭄ᄫ䕧ܹッষˈ䳔㽕৥ᇍᑨッষݭ 0ˈབᵰ৥ P1ッ ষݭ 1ˈ߭ P1ⱘℸッষᇚ԰Ў AD䕀ᤶ䗮䘧Փ⫼DŽP2ষᰃܿԡⱘᏺϞᢝ⬉䰏ⱘঠ৥ষˈг ԰Ўᠽሩᑨ⫼Ёⱘഄഔᘏ㒓Փ⫼DŽP3ᰃᰃܿԡⱘᏺϞᢝ⬉䰏ⱘঠ৥ষ ৠˈᯊ P3ⱘ৘Ͼッষ 䛑ᅮНњ⡍⅞ⱘ⫼䗨DŽADuC812ⱘ᠔᳝ I/Oষࡳ㛑߫㸼བϟDŽ 㸼 3.1 ADuC812 I/Oষࡳ㛑߫㸼 I/Oষ ࡳ㛑 1 ࡳ㛑 2 P0˄P0.0-P0.7˅ ᓔⓣ㑻ঠ৥ষ ഄഔᘏ㒓˄䚼ߚ˅ P1˄P1.0-P1.7˅ ᭄ᄫ䕧ܹッষ AD䕀ᤶ䕧ܹ䗮䘧 P2˄P2.0-P2.7˅ ᏺϞᢝঠ৥ষ ഄഔᘏ㒓˄䚼ߚ˅ P3.0 ᏺϞᢝঠ৥ষ RxD˄Іষ䗮䆃ⱘ䇏ܹ˅ P3.1 ᏺϞᢝঠ৥ষ TxD9Іষ䗮䆃ⱘݭߎ˅ P3.2 ᏺϞᢝঠ৥ষ INT0˄໪Ёᮁ˅ P3.3 ᏺϞᢝঠ৥ষ INT1/MISO˄໪Ёᮁ/І㸠䗮䆃ষ˅ P3.4 ᏺϞᢝঠ৥ষ T0˄䅵ᯊ఼ 0໪ッষ˅ ㄀ 10义 P3.5 ᏺϞᢝঠ৥ষ T1/CONVST˄䅵ᯊ఼ 1໪ッষ˅ P3.6 ᏺϞᢝঠ৥ষ RW˄ᘏ㒓ッষ˅ P3.7 ᏺϞᢝঠ৥ষ RD˄ᘏ㒓ッষ˅ 3.1.2 ᅲ偠ᵓϞᇍ I/Oッষⱘᠽሩ Ўњ㛑໳Փ⫼ I/O ッষخᅲ偠ˈᬭᄺᅲ偠㋏㒳ᇍ ADuC812 ⱘ޴Ͼッষ䛑خњᠽሩˈ݊ ЁথܝѠᵕㅵǃᣝ䬂ǃ᭄ⷕㅵ䛑ᰃ I/Oⱘᠽሩ⬉䏃DŽ DVDD S1 SW-PB1 DVDD S2 SW-PB3 DVDD DVDD S3 SW-PB2 S4 SW-PB4 D1 LED D4 LED D3 LED D2 LED R33 1K R34 1K R35 1K R36 1K DVDD P0.1 P0.2 P0.3 P0.4 P1.7 P1.4P1.3 P1.6 R39 1K R40 1K R41 1K R42 1K C1 0.01uF C13 0.1uF C2 0.01uF C17 0.1uF C3 0.01uF C22 0.1uF C21 0.1uF C4 0.01uF R50 1K R51 1K R52 1K R53 1K ೒ 3.1 থܝѠᵕㅵঞᣝ䬂⬉䏃ॳ⧚೒ BI/RBO 4 RBI 5 LT 3 A 7 B 1 C 2 D 6 a13 b12 c11 d10 e9 f15 g14 74LS48 1 2 3 4 5 6 7 a b c d e f g 8 dp 9 GND a bf c g d e dp DS1 AMBERCC 1 2 3 4 5 6 7 a b c d e f g 8 dp 9 GND a bf c g d e dp DS2 AMBERCC 1 2 3 4 5 6 7 a b c d e f g 8 dp 9 GND a bf c g d e dp DS3 AMBERCC DVDD DVDD R59 510ohm P2.0 P2.1 P2.2 P2.3 P2.4 P2.5 P2.6 S10 SW SPDT ೒ 3.2᭄ⷕㅵ⬉䏃ॳ⧚೒ ㄀ 11义 ೒ 3.3 ໮ࡳ㛑ᬭᄺᅲ偠ᵓࡳ㛑῵ഫ೒ ҢϞ䴶ⱘḚ೒៥Ӏৃҹᕫߎབϟⱘ I/O䌘⑤ߚ䜡㸼ˈ䖭ᓴ㸼ᇚЎПৢⱘ⿟ᑣ㓪ݭᦤկ䞡 㽕ձ᥂DŽ 㸼 3.2 I/O䌘⑤ߚ䜡㸼 ࡳ㛑῵ഫ IO䌘⑤ ᭄ⷕㅵ᭄ᄫ P2.0ˉP2.3 ᭄ⷕㅵ᥻ࠊ 1ˉ3˄ҢᎺࠄে˅ P2.4ˉP2.6 Ԣ⬉ᑇ᳝ᬜ থܝѠᵕㅵ 1ˉ4˄ҢᎺࠄে˅ P0.1ˉP0.4 催⬉ᑇ᳝ᬜ ᣝ䬂 1ˉ4˄ҢᎺࠄে˅ P1.3ˈP1.6ˈP1.4ˈP1.7 ࡴ⛁ϱ P0.1 亢᠛ P0.2 㳖号఼ P0.3 ⬉䰏఼ ADC0 3.1.3 I/Oッষ՟⿟ 䎥偀♃ᅲ偠˖ᴀ⼎՟Џ㽕ᄺд෎ᴀ ,�2 ষⱘ䕧ߎࡳ㛑DŽ⼎՟Փ⫼ 3� ষⱘ � Ͼッষ᥻ࠊ ᅲ偠ᵓϞⱘ �Ͼᣛ⼎♃ˈՓПᕾ⦃⚍҂˗� ⿟ᑣߚᵤ˖㽕ᅲ⦄ಯϾᣛ⼎♃ᕾ⦃⚍҂ˈা䳔㽕೼Џ⿟ᑣЁϡᮁᕾ⦃ᇚ P0.1ˉP0.4ಯϾ ッষ䕧ߎ催⬉ᑇ˄ेݭ 1˅ˈ ᑊϨ೼݊Ёᦦܹϔᅮⱘᓊᯊ˄ৃ䆒㕂ぎᕾ⦃䇁হ˅ҹՓ㙝ⴐ㛑 ໳㾖ᆳࠄᕾ⦃⚍҂ⱘᬜᵰDŽϟ䴶ᰃ՟⿟ᑣ˖ ㄀ 12义 #include //ℸ༈᭛ӊ⫼Ѣᇚ᠔᳝ⱘッষব䞣੠Ⳍᑨⱘᆘᄬ఼݇㘨 //ܼሔব䞣⬇䇋ˈ԰Ўᕾ⦃⚍҂ⱘ᥻ࠊব䞣 unsigned char deng = 0; //ᓊᯊᄤ⿟ᑣ void delay(int time) { int i = 0; for(i = 0; i< time;i++) ; } void main(void) //Џ⿟ᑣܹষ { P0 = 2; //♃ッষ߱ྟ࣪ˈ⚍҂㄀ϔϾ♃ //⿟ᑣ䖯ܹ᮴䰤ᕾ⦃ while(1) { if (deng == 2) //བᵰᰃ㄀ϔϾ♃҂ deng = 4; //݇㄀ϔϾ♃ˈᓔ㄀ѠϾ♃ else if (deng == 4) //བᵰᰃ㄀ѠϾ♃҂ deng = 8; //݇㄀ѠϾ♃ˈᓔ㄀ϝϾ♃ else if (deng == 8) //བᵰᰃ㄀ϝϾ♃҂ deng = 16; //݇㄀ϝϾ♃ˈᓔ㄀ಯϾ♃ else if (deng == 16) //བᵰᰃ㄀ಯϾ♃҂ deng = 2; //݇㄀ಯϾ♃ˈᓔ㄀ϔϾ♃ else deng = 2; //བᵰϡᰃҹϞᚙމˈ᭄᥂ߎ⦄䯂乬ˈᘶ໡ࠄ㄀ϔϾ♃҂ P0 = deng; delay(10000); //ᓊ䖳ϔ↉ᯊ䯈 } } 3.1.4 ADuC812ऩ⠛ᴎ෎ᴀ I/Oᅲ偠˄ᅲ偠԰Ϯ˅ z ᅲ偠Ⳃⱘ˖� 1˅❳ᙝ෎Ѣ Keil Cⱘऩ⠛ᴎᭈԧ㓪⿟⦃๗ҹঞ⿟ᑣᓔথ⌕⿟˗ 2˅њ㾷෎ᴀ I/O䕧ܹ䕧ߎ⹀ӊॳ⧚˗ 3˅ᄺдᥠᦵऩ⠛ᴎⱘ෎ᴀ I/O㓪⿟ᡔᴃDŽ z ᅲ偠ݙᆍ˖� 1˅෎ᴀᅲ偠 1˖ᴀ⼎՟Џ㽕ᄺд෎ᴀ I/Oষⱘ䕧ܹࡳ㛑DŽ䩜ᇍᅲ偠ᵓϞಯϾᣝ䬂ˈ ᕾ⦃ᠿᦣಯϾᣝ䬂⢊ᗕˈᑊ೼᭄ⷕㅵϞᰒ⼎ાϾᣝ䬂㹿ᣝϟ˗ 2˅෎ᴀᅲ偠 2˖ᕾ⦃Ẕ⌟ᣝ䬂 K1ⱘ⢊ᗕˈϸϾ᭄ⷕㅵᰒ⼎ᣝ䬂ᣝϟⱘ⃵᭄DŽ߱ྟ ⢊ᗕ᭄ⷕㅵᰒ⼎Ā00āˈ K1↣ᣝϟϔ⃵ᰒ⼎᭄ᄫ๲ࡴ 1ˈⳈࠄ๲ࡴࠄĀ20āⱘᯊ ㄀ 13义 ׭জᣝϟ K1ˈᰒ⼎᭄ᄫ⏙䳊˗ 3˅ᦤ催ᅲ偠˖ᕾ⦃Ẕ⌟ᣝ䬂 K3੠ K4ⱘ⢊ᗕˈϸϾ᭄ⷕㅵᰒ⼎ᣝ䬂ᣝϟⱘ⃵᭄DŽ ߱ྟ⢊ᗕ᭄ⷕㅵᰒ⼎Ā10āˈ K3 ↣ᣝϟϔ⃵ᰒ⼎᭄ᄫ๲ࡴ 1ˈK4 ↣ᣝϟϔ⃵ᰒ ⼎᭄ᄫޣᇥ 1DŽབᵰ๲ࡴࠄĀ20āⱘᯊ׭জᣝϟ K3ˈ߭ᰒ⼎᭄ᄫ⏙䳊ˈབᵰޣ ᇣࠄĀ00āⱘᯊ׭জᣝϟ K4ˈ䖭ᰒ⼎᭄ᄫবЎĀ20āDŽ ����Ёᮁ㋏㒳ǃᅮᯊ఼�䅵఼᭄� 3.2.1 Ёᮁ㋏㒳ㅔҟ ADuC812 ᳝݅ 9 ⾡Ёᮁ⑤ˈϸ⾡ЁᮁӬܜ㑻ˈᑊ᳝ 3 Ͼ⡍⅞ࡳ㛑ᆘᄬ఼᥻ࠊˈ䖭ϝϾ ⡍⅞ࡳ㛑ᆘᄬ఼ߚ߿Ў IE IˈP IˈE2DŽ䖭ϝϾ⡍⅞ࡳ㛑ᆘᄬ఼৘ԡⱘᛣН㾕䌘᭭䰘ᔩ 2~4DŽ9 ⾡Ёᮁ⑤ᇍᑨⱘЁᮁ৥䞣੠Ёᮁ৥䞣ഄഔ㾕㸼 3.3DŽ㸼 3.3 ЁЁᮁⱘᑣোህᰃ೼ KeilC 㓪⿟ ЁЁᮁᄤ⿟ interrupt݇䬂ᄫৢ䴶Փ⫼ⱘ᭄ᄫDŽ ⡍⅞ᆘᄬ఼ IE੠ IE2⫼Ѣ䆒㕂ЁᮁՓ㛑ˈIP⫼Ѣ䆒㕂Ёᮁⱘ᳝䰤㑻DŽADuC812ⱘЁᮁ া᳝ HIGH੠ LOWϸ⾡ˈᢹ᳝ HIGH᳝ӬܜЁᮁৃҹ೼ LOWӬܜ㑻ⱘЁᮁડᑨ䖛⿟Ёᕫ ࠄડᑨDŽབᵰϸ⾡Ёᮁৠᯊথ⫳ˈᢹ᳝ HIGHӬܜ㑻ⱘЁᮁህӮܜ㹿䖤㸠ˈབᵰৠᯊথ⫳ⱘ ϸϾЁᮁᢹ᳝ⳌৠⱘӬܜ㑻ˈ䙷Мડᑨ乎ᑣህ㾕㸼 3.3᳔ৢϔ㸠᠔ᷛ⊼ⱘݙ䚼Ӭܜ㑻DŽ 㸼 3.3 Ёᮁ৥䞣੠Ёᮁ৥䞣ഄഔ㸼 ᑣো� Ёᮁ৥䞣� ৥䞣ഄഔ� ݙ䚼Ӭܜ㑻� 0 IE0 0003 HEX 2 1 TF0 000B HEX 4 2 IE1 0013 HEX 5 3 TF1 001B HEX 6 4 RI+TI 0023 HEX 8 5 TF2+EXF2 002B HEX 9 6 ADCI 0033 HEX 3 7 ISPI 003B HEX 7 8 PSMI 0043 HEX 1 ⬅Ѣ IE੠ IE1咬䅸ᰃ 0ˈे 咬䅸᠔᳝Ёᮁ݇䯁DŽ⿟ᑣЁЎњᠧᓔϔϾЁᮁ 䳔ˈ㽕䆒㕂 IE ㄀ 14义 ੠ IE1ЁᇍᑨⱘЁᮁ᥻ࠊЎ 1ˈᑊ䆒㕂᠔᳝Ёᮁ᥻ࠊЎ 1DŽIEⱘ৘Ͼԡ䛑᳝ᇍᑨⱘৡ⿄ˈ೼ ⿟ᑣЁৃҹⳈ᥹Փ⫼DŽ՟བˈ᠔᳝Ёᮁ᥻ࠊԡЎ EAˈ䅵ᯊ఼ 0Ёᮁ᥻ࠊԡЎ ET0DŽ Ўњ೼Џ⿟ᑣ៪㗙Ёᮁ⿟ᑣЁⱘᶤѯ݇䬂⿟ᑣ䚼ߚϡ㹿Ёᮁˈ䳔㽕䆒㕂Ёᮁ⽕ऎDŽ೼Џ ⿟ᑣЁՓ⫼Ёᮁ⽕ऎˈৃҹ೼䖯ܹ⽕ऎࠡ৥ EAݭ 0ˈߎ⽕ऎৢ৥ EAݭ 1DŽ ೼ KeilCЁ㓪ݭЁᮁ⿟ᑣˈা䳔㽕ᣝ✻ C䇁㿔ⱘ㾘㣗ݭϔϾᄤ⿟ᑣˈԚϢ᱂䗮ᄤ⿟ᑣ᳝ ϔ⚍Ꮒ߿ˈ೼ᄤ⿟ᑣ⬇ᯢ᳔ৢ㽕ࡴϞ݇䬂ᄫ interrupt nˈ݊Ё nҷ㸼Ёᮁোˈ݋ԧⱘЁᮁো 㾕㸼 3.3ЁⱘᑣোDŽ⿟ᑣ㓪ݭ㾘㣗㾕 3.2.3Ё՟⿟DŽ 3.2.2 ᯊ䯈Ёᮁ㋏㒳 ADuC812᳝ 3Ͼ 16ԡᅮᯊ఼/䅵఼᭄ˈߚ߿⿄Ўᅮᯊ఼ 0ǃᅮᯊ఼ 1੠ᅮᯊ఼ 2DŽ↣ϔ Ͼ䅵ᯊ఼ࣙᣀњϸϾ 8ԡⱘᆘᄬ఼ˈTHx੠ TLxˈ݊Ё xৃЎ 0ˈ1ˈ2DŽҪӀ䛑ৃҹ㹿䜡㕂 Ўᅮᯊ఼៪㗙џӊ䅵఼᭄DŽ ᔧ԰Ўᅮᯊ఼Փ⫼ᯊˈTLx ೼↣ϔϾᯊ䩳਼ᳳ䛑๲ࡴDŽ㗠↣ϔϾᯊ䩳਼ᳳ䛑ࣙ৿њ 12 Ͼݙ䚼Ḍᖗᯊ䩳DŽ಴ℸ᳔໻䅵ᯊ乥⥛া㛑ᰃݙḌᯊ䩳乥⥛ⱘ 1/24DŽᔧ԰Ў䅵఼᭄Փ⫼ᯊˈ TLx ೼↣ϔϾ໪䚼џӊ䕧ܹㅵ㛮˄T0ǃT1ǃT2˅Ϟⱘ 1 ࠄ 0 䏇বᇚ๲ࡴ 1DŽЎњ㛑໳ֱ䆕 ໪䚼џӊֵো㛑㹿ℷ⹂䞛ḋࠄ џˈӊֵোᖙ乏㽕೼ԢѢݙḌᯊ䩳乥⥛ⱘ 1/24ⱘ乥⥛ϟᎹ԰DŽ ADuC812 ᳝ϝϾ⡍⅞ᆘᄬ఼ᴹ᥻ࠊ䖭ϝϾᅮᯊ఼DŽҪӀߚ߿Ў TMODǃTCON ੠ T2CONDŽTMOD ⫼Ѣ᥻ࠊᅮᯊ఼ 0 ੠ᅮᯊ఼ 1 ⱘᎹ԰῵ᓣˈTCON ⫼Ѣ᥻ࠊᅮᯊ఼ 2DŽ䆺 㒚њ㾷䖭ϝϾ⡍⅞ᆘᄬ఼৘ԡⱘᛣН㾕䌘᭭䰘ᔩ 5~7DŽ ᅮᯊ఼ 1 ੠ᅮᯊ఼ 2 ᳝ಯ⾡Ꮉ԰῵ᓣDŽߚ߿Ў῵ᓣ 0ˉ῵ᓣ 3DŽϟ䴶ߚ߿ҟ㒡䖭ಯ⾡Ꮉ ԰῵ᓣDŽ Ꮉ԰῵ᓣ �� ೒ 3.4㱑✊া⬏њ T0ⱘᎹ԰῵ᓣ 0ⱘ⼎ᛣ೒ˈԚᇍ T1гৠḋˈা䳔ᡞᇍᑨⱘᆘᄬ఼ᤶ ៤ T1ⱘᆘᄬ఼ेৃDŽϟ䴶ᇚҙҢ T0ⱘᎹ԰ᚙމߎথҟ㒡೒ 3.4DŽҢ೒ 3.4ৃҹⳟߎ C/Tᰃ 䗝ᢽᅮᯊ఼Ꮉ԰೼ᅮᯊ఼῵ᓣ䖬ᰃᎹ԰೼䅵ᯊ఼῵ᓣDŽC/T೼ TMODᆘᄬ఼ЁЎ CNTԡDŽ CONTROLЎᅮᯊ఼ⱘᓔ݇ˈ㗠 CONTROLজᰃ⬅ TR0 GˈATE੠ P3.2ⱘ䘏䕥㒘ড়ᕫࠄⱘDŽ 䗮䖛ҹϞḚ೒ ៥ˈӀৃⶹ CONTROLㄝѢ GATEⱘডϢ P3.2ⱘ៪ݡϢϞ TR0DŽ಴ℸ ᔧˈ TR0 Ў 1ˈϨ GATEЎ 0៪㗙 P3.2Ў 1ˈℸᯊᅮᯊ఼ᓔ䗮DŽ೼ᅮᯊ఼Ꮉ԰ᯊˈᅮᯊ఼ⱘ䅵᭄㣗ೈ Ў 13ԡˈे 2ⱘ 13⃵ᮍˈ8192䅵᭄ぎ䯈DŽᔧ䅵᭄⒵ৢˈऩ⠛ᴎᇚ TF0㕂 1ˈབᵰᯊ䯈Ё ᮁ㹿ᠧᓔˈ߭ℸᯊᇚѻ⫳ϔϾᯊ䯈ЁᮁDŽ ㄀ 15义 ೒ 3.4 ᅮᯊ఼Ꮉ԰῵ᓣ 0 Ꮉ԰῵ᓣ �� Ꮉ԰῵ᓣ 1ϢᎹ԰῵ᓣ 0ⱘᏂ߿೼Ѣ䅵᭄ぎ䯈ⱘϡৠ ῵ˈᓣ 0䅵᭄ぎ䯈ԡ 13ԡ ῵ˈᓣ 1 ⱘ䅵᭄ぎ䯈ԡ 16ԡˈᯊ䅵᭄ぎ䯈ⱘ 8סDŽᇍѢ䳔㽕䭓ᯊ䯈ᅮᯊⱘᑨ⫼ৃҹ㗗㰥䖭⾡῵ᓣDŽ� � ೒ 3.5 ᅮᯊ఼Ꮉ԰῵ᓣ 1 Ꮉ԰῵ᓣ �� ῵ᓣ 2Ϣࠡϸ⾡῵ᓣгᰃ೼䅵᭄ぎ䯈Ϟⱘϡৠˈ䖭⾡䅵᭄῵ᓣぎ䯈䕗ᇣˈᇣѢ 8ԡˈϨ Փ⫼♉⌏DŽڣࠡϸ⾡῵ᓣˈ䅵᭄໻ᇣ೎ᅮԡ 13ԡ੠ 15ԡˈ䖭⾡䅵᭄῵ᓣৃҹ೼䅵᭄ᇣѢ 8 ㄀ 16义 ҹݙⱘぎ䯈ݙ䇗ᭈ䅵᭄໻ᇣˈ݋ԧᅲ⦄བϟDŽ῵ᓣ 2ⱘ TL0خЎ䅵᭄ぎ䯈݅ 8ԡˈTH0԰ Ў䅵᭄䍋ྟᄬټ఼ˈгህᰃ䇈ˈTL0 ⹂ᅮњ䅵᭄ⱘ᳔໻ؐˈTH0 އᅮњᓔྟ䅵᭄ⱘ᭄ؐˈ ϸ᭄ⳌޣेЎᅮᯊ఼ⱘ䅵᭄ぎ䯈໻ᇣˈ಴ℸℸ⾡䅵᭄῵ᓣ᳝ᕜ໻ⱘ♉⌏ᗻDŽ � ೒ 3.6 ᅮᯊ఼Ꮉ԰῵ᓣ 2 Ꮉ԰῵ᓣ �� ῵ᓣ 3 Ϣࠡ䴶ⱘϝ⾡Ꮉ԰῵ᓣ᳝ᕜ໻ⱘϡৠDŽT1 ೼῵ᓣ 3 ϟᇚذℶ䅵᭄ˈT0 ೼῵ᓣ 3 ϟᇚᣝ✻೒ 3.7ⱘᎹ԰῵ᓣᎹ԰DŽখ㗗ࠡ䴶ϝ⾡῵ᓣⱘҟ㒡ˈ೒ 3.7ⱘᎹ԰ᚙމ㉏Ԑˈ䖭䞠 ህϡݡخҟ㒡њDŽ㽕ᔎ䇗ⱘϔ⚍ᰃˈᔧ T0೼῵ᓣ 3ϟᎹ԰ᯊ Tˈ1ৃҹ໘Ѣӏԩϔ⾡Ꮉ԰῵ ᓣˈᑊϨℷᐌᎹ԰ˈাᰃℸᯊ T1᮴⊩ѻ⫳Ёᮁ TF1DŽгህᰃ䇈ˈᔧ T0Ꮉ԰೼῵ᓣ 3ϟᯊˈ T1ৃҹ䜡㕂㒭Іষ԰Ўখ㗗乥⥛䅵఼᭄Փ⫼DŽ � ೒ 3.7 ᅮᯊ఼Ꮉ԰῵ᓣ 3 ㄀ 17义 3.2.3 ᯊ䯈Ёᮁ՟⿟ ᯊ䯈Ёᮁᅲ偠˖ᴀ⼎՟Џ㽕ᄺдᯊ䯈Ёᮁ⿟ᑣⱘ㓪ݭᮍ⊩DŽ⼎՟䞛⫼ᯊ䯈Ёᮁⱘᮍ⊩ˈ ᅲ⦄䎥偀♃⿟ᑣDŽ� ⿟ᑣߚᵤ˖㽕ᅲ⦄ಯϾᣛ⼎♃ᕾ⦃⚍҂ˈা䳔㽕೼Џ⿟ᑣЁϡᮁᕾ⦃ᇚᶤϔϾব䞣ݭܹ ࠄ P0ˈ㗠䖭Ͼব䞣ᇚ೼ᯊ䯈Ёᮁ⿟ᑣЁ䖯㸠ᬍবˈ䅽ಯϾ♃ϡᮁᕾ⦃҂♁DŽϟ䴶ᰃ՟⿟ᑣ˖ #include //ℸ༈᭛ӊ⫼Ѣᇚ᠔᳝ⱘッষব䞣੠Ⳍᑨⱘᆘᄬ఼݇㘨 //ܼሔব䞣⬇䇋ˈ԰Ўᕾ⦃⚍҂ⱘ᥻ࠊব䞣 unsigned char deng = 2; void main(void) //Џ⿟ᑣܹষ { //䜡㕂ᑊᠧᓔᯊ䯈 0Ёᮁ TMOD = 0x01; //䅽ᯊ䯈Ёᮁ 0Ꮉ԰೼ 1῵ᓣϟˈ݇Ѣ TMODˈTCONˈTH0ⱘᛣН䇋㾕䰘ӊ TCON = 0x10; //ᠧᓔᯊ䯈Ёᮁ 0 ET0 = 1; //ܕ䆌ડᑨᯊ䯈Ёᮁ EA = 1; //ܕ䆌ડᑨ᠔᳝Ёᮁ P0 = 2; //♃ッষ߱ྟ࣪ˈ⚍҂㄀ϔϾ♃ //⿟ᑣ䖯ܹ᮴䰤ᕾ⦃ while(1) { P0 = deng; //ϡᮁ৥ P0ッষݭ♃ⱘ᥻ࠊব䞣ˈℸব䞣ᇚ೼ᯊ䯈ЁᮁЁׂᬍ } } void timer1(void) interrupt 1 { if (deng == 2) //བᵰᰃ㄀ϔϾ♃҂ deng = 4; //݇㄀ϔϾ♃ˈᓔ㄀ѠϾ♃ else if (deng == 4) //བᵰᰃ㄀ѠϾ♃҂ deng = 8; //݇㄀ѠϾ♃ˈᓔ㄀ϝϾ♃ else if (deng == 8) //བᵰᰃ㄀ϝϾ♃҂ deng = 16; //݇㄀ϝϾ♃ˈᓔ㄀ಯϾ♃ else if (deng == 16) //བᵰᰃ㄀ಯϾ♃҂ deng = 2; //݇㄀ಯϾ♃ˈᓔ㄀ϔϾ♃ else deng = 2; //བᵰϡᰃҹϞᚙމˈ᭄᥂ߎ⦄䯂乬ˈᘶ໡ࠄ㄀ϔϾ♃҂ } 3.2.4 Ёᮁ㋏㒳ǃᅮᯊ఼/䅵఼᭄ᅲ偠 z ᅲ偠Ⳃⱘ˖� 1˅❳ᙝ Keil Cᭈԧ㓪⿟⦃๗ҹঞMCU⿟ᑣᓔথ⌕⿟˗ 2˅њ㾷ⱘЁᮁ㋏㒳ǃᅮᯊ఼/䅵఼᭄Ꮉ԰ॳ⧚˗ ㄀ 18义 3˅ᄺдЁᮁ㋏㒳ǃᅮᯊ఼/䅵఼᭄ࡳ㛑ⱘ㓪⿟ᡔᴃDŽ z ᅲ偠ݙᆍ˖� 1˅෎ᴀᅲ偠 1 Փ˖⫼䗮⫼ᅮᯊ఼ᴹѻ⫳໻㑺 1⾦䩳ⱘᅮᯊ఼Ёᮁ ೼ˈЁᮁЁᴹ㾺থ 㳖号఼থໄ˗ 2˅෎ᴀᅲ偠 2˖ᅲ偠Փ⫼ᣝ䬂 K1ᴹ໪䚼Ёᮁ䕧ܹ㛝ކˈ↣⃵Ёᮁৢ䅵఼᭄䅵᭄क ⃵ˈ⬅᭄ⷕㅵᰒ⼎Ⳍᑨⱘ䅵᭄ؐˈ䅵᭄ؐࠄ 100ৢ䅵఼᭄⏙䳊ˈᓔྟ䅵᭄˗ 3˅ᦤ催ᅲ偠˖ᑨ⫼ᅮᯊ఼ѻ⫳ 1 ⾦䩳ⱘᯊ䯈䯈䱨ˈᴹᕾ⦃⚍҂᳔ᇣ㋏㒳ᵓϞⱘ 4 Ͼᣛ⼎♃DŽ߱ྟ⢊ᗕϟ 4Ͼ♃ϡ҂ˈᣝϟ K1ৢਃࡼᅮᯊ఼ˈ໻㑺 1⾦䩳ৢ㄀ϔ Ͼ♃⚍҂ˈ໻㑺 2 ⾦䩳ৢ㄀ѠϾ♃⚍҂ˈ໻㑺 3 ⾦䩳ৢ㄀ϝϾ♃⚍҂……DŽ೼ ਃࡼᅮᯊ఼ⱘ⢊ᗕϟᣝϟ K2ˈ䙷Мᅮᯊ఼ذℶDŽݡ⃵ᣝϟ K1 ᯊˈজӮਃࡼᅮ ᯊ఼ˈᣛ⼎♃᥹ⴔᕾ⦃⚍҂DŽ ����῵ᢳ᥹ষ $�' ੠ '�$� 3.3.1 D/Aㅔҟ ADuC812䲚៤њϸϾ 12ԡⱘ⬉य़䕧ߎ DAC˄᭄ᄫ䞣ࠄ῵ᢳ䞣䕀ᤶ䕧ߎ˅ˈ ↣ϔϾ䛑㛑 ⒵䞣⿟䕧ߎˈे㢹ऩ⠛ᴎկ⬉Ў 5Vˈ᳔݊໻ৃ䕧ߎ⬉य़гৃҹࠄ䖒 5VDŽϸ䏃 DAC䛑᳝ϸ ⾡ৃ䗝ⱘ䕧ߎ⬉य़㣗ೈ 0ˈ̚Vref៪㗙 0̚AVddDŽ݊ Ё VrefЎݙ䚼খ㗗⬉य़ Ўˈ 2.5V AˈVdd Ўऩ⠛ᴎⱘկ⬉⬉य़ˈЎ 5VDŽ↣ϔ䏃 DACৃᎹ԰೼ 12ԡ៪㗙 8ԡⱘ䕧ߎ㊒ᑺϞDŽϸ䏃݅ ѿϔϾ᥻ࠊᆘᄬ఼ DACCON ಯˈϾ᭄᥂ᆘᄬ఼ DAC0H/L DˈAC1H/LDŽDAC೼ 12ԡᓖℹ῵ ᓣϟᎹ԰ˈ⬅Ѣ݊ݙ䚼Ꮉ԰ᴎ⧚ˈܜ䇏ܹⱘᰃ催ԡˈे DACxHˈৢ䇏ܹⱘЎ DACxLDŽℸ ᯊ DACxHⱘԢಯԡᰃ䕀ᤶ᭄᥂ⱘ催ಯԡˈDACxLټᄬњ䕀ᤶ᭄᥂ⱘԢ 8ԡDŽDACᎹ԰೼ 8ԡ῵ᓣϟˈ䖭 DACxH≵᳝ਃ⫼ˈᕙ䕀ᤶ᭄᥂ᄬټ೼ DACxLЁDŽ ೒ 3.8ᰃ DA䕀ᤶॳ⧚ˈ݋ԧᅲ⦄⬉䏃≵᳝㒭ߎDŽ ㄀ 19义 ೒ 3.8 DA䕀ᤶॳ⧚ ADuC812 ⱘ DAC ᰃ rail-to-tail ⱘᎹ԰῵ᓣˈԚᰃ೼⬉य़ᕜᇣ੠⬉य़ᕜ໻ⱘϔϾ䴲ᐌᇣ ⱘऎඳˈ䕀ᤶ⬉य़᳝䚼ߚ༅ⳳDŽ೒ 3.8ᰒ⼎њ䖭Ͼ䚼ߚDŽᔧ䕧ߎ偅ࡼᇍഄ 10K⃻ྚ⬉䰏ᯊˈ 䕀ᤶ᭄ᄫ䞣Ў 0ˉ48੠೼ 0̚AVddᎹ԰῵ᓣϟⱘ 3995ˉ4095↉᳝䚼ߚ༅ⳳDŽ⬅Ѣ ADuC812 ⱘ DAC䕧ߎࡳ⥛᳝䰤ˈϔ㠀೼ DAC䕧ߎ䛑ᇚ䆒䅵ϔϾ䎳䱣఼ˈҹֱ䆕 DACⱘℷᐌᎹ԰DŽ ᅲ偠ᵓϞ≵᳝ DACⱘ䕧ܹᠽሩᦦষ೼᳔ᇣ㋏㒳ᵓϞᠽሩњϔḍ DAC0䗮䘧㒓ˈབᵰ䳔 㽕ᇚ DAC0ⱘֵোᇐߎˈা䳔㽕ᇚ䖭ḍ᭄᥂㒓᥹ߎेৃDŽ ೒ 3.8 DA䕀ᤶॳ⧚ ㄀ 20义 3.3.2 A/Dㅔҟ ADuC812ᦤկњϔ㒘ᖿ䗳 8䗮䘧 1ˈ2ԡⱘ AD䕀ᤶ῵ഫDŽ䖭 8Ͼ AD䕀ᤶ䗮䘧Ϣ IOষ P1໡⫼DŽAD䕀ᤶ῵ഫ䗮䖛 3Ͼ⡍⅞ࡳ㛑ᆘᄬ఼ㅵ⧚DŽҪӀߚ߿ᰃ ADCCON1 AˈDCCON2ˈ ADCCON3DŽ݊ Ё ADCCON1Ϣ ADCCON2ᰃ AD䕀ᤶ᥻ࠊ఼ AˈDCCON3ᰃ AD䕀ᤶ⢊ᗕ ᆘᄬ఼DŽ AD 䕀ᤶⱘ䕧ܹ⬉य़㣗ೈЎ 0V̚Vrefˈ݊Ё Vref Ўݙ䚼খ㗗⬉य़ 2.5VDŽгৃҹ䞛⫼໪ 䚼⬉䏃䇗ᭈࠄ㣗ೈЎ 0V̚AVddVDŽЎњࡴᖿ AD䕀ᤶ䗳ᑺ AˈDC῵ഫৃҹᎹ԰䖲㓁῵ᓣϟˈ ೼䖭⾡῵ᓣϟˈAD䕀ᤶᅠ៤ৢˈ᭄᥂䗮䖛 DMAᡔᴃ˄ݙᄬⳈ䇏ˈेϡ䗮䖛໘⧚఼ህৃҹ 䆓䯂ݙᄬⱘᡔᴃ˅ᇚ䕀ᤶ᭄᥂ᄬټࠄݙᄬЁDŽ ADCⱘ䕀ᤶ㊒ᑺЎ 12ԡ ಴ˈℸᔧ䕀ᤶ㣗ೈЎ 0V̚AVddV 䕀ˈᤶ㊒ᑺৃ䖒ࠄ AVdd/4096ˈ ᔧ AVddЎ 5Vᯊˈ䕀ᤶ㊒ᑺЎ 1.22mVDŽ䕀ᤶߑ᭄བ೒ 4.9᠔⼎DŽ ADCⱘ䕀ᤶ㒧ᵰᇚֱᄬ೼ ADCDATAL੠ ADCDATAHЁˈ݊Ё ADCDATALֱᄬњ䕀 ᤶ᭄᥂ⱘԢ 8ԡˈADCDATAHⱘԢಯԡֱᄬњ䕀ᤶ㒧ᵰⱘ催 4ԡⱘ㒧ᵰDŽADCDATAHⱘ 催ಯԡֱᄬњᔧࠡ䕀ᤶⱘ䗮䘧োDŽ ᅲ偠ᵓϞⱘ⬉ԡ఼ৃҹ䇗㡖ϔϾ 0Vˉ5Vⱘ⬉य़䗕ܹ DAC0ッষDŽDAC1ッষৃҹ䗮䖛 㪱㡆ᠽሩᦦᑻ᥹ܹ乱໪ⱘᕙ⌟⬉य़ֵোDŽ Ўњ㡖ⳕ䕀ᤶ⿟ᑣⱘᓔᬃˈAD䕀ᤶ᳝Ёᮁ᳡ࡵ⿟ᑣˈ䆺㾕Ёᮁゴ 3.2.1DŽ ೒ 3.9 AD䕀ᤶߑ᭄ 3.3.3 A/DϢ D/A՟⿟ AD/DAᅲ偠˖ᴀ⼎՟Џ㽕ᄺд ADϢ DA⿟ᑣⱘ㓪ݭᮍ⊩ˈৠᯊ৿᳝ AD䕀ᤶЁᮁ㓪ݭ ᮍ⊩DŽ⼎՟䞛⫼⿟ᑣ㓪ݭϔϾϝ㾦⊶Ң DAC0 ষ䕧ߎˈ䗮䖛໪䚼⹀ӊ䖲᥹ˈᇚ DAC0 ষ䕧 ㄀ 21义 ߎ䗕ܹࠄ AD1ষˈ⿟ᑣᇚ AD1ষ䕀ᤶᕫࠄⱘ᭄᥂ᅲᯊᰒ⼎೼᭄ⷕㅵϞDŽ ⿟ᑣߚᵤ˖Џ⿟ᑣ৥ DAষݭܜ䗦๲ৢ䗦ޣᑊᕾ⦃ᕔ໡ⱘϝ㾦⊶⬉य़DŽ߽⫼ AD䕀ᤶЁ ᮁᇚ⬉य़䕀ᤶᑊټᄬDŽ߽⫼䅵ᯊ఼Ёᮁˈᠿᦣᰒ⼎᳔㒜㒧ᵰDŽϟ䴶ᰃ՟⿟ᑣ˖ #include //ℸ༈᭛ӊ⫼Ѣᇚ᠔᳝ⱘッষব䞣੠Ⳍᑨⱘᆘᄬ఼݇㘨 //ܼሔব䞣⬇䇋ˈ԰Ўᕾ⦃⚍҂ⱘ᥻ࠊব䞣 unsigned char dataH,dataL; //ټᄬ䕀ᤶ㒧ᵰˈߚ߿䇏প ADCDATAHˈADCDATAL unsigned char triangleH,triangleL; //DA䕧ߎ䞣 unsigned int res; //ᄬټ 12ԡⱘ䕀ᤶ㒧ᵰ unsigned char who; //ᰒ⼎ব䞣ˈᣛ⼎ᔧࠡᰒ⼎ⱘ᭄ⷕㅵ bit flag; //ࡴޣব䞣 unsigned char temp; void delay(int time)//ᓊᯊᄤ⿟ᑣ { int i=0; for(i=0;i= 0x0D) && (triangleL >= 0xFE))//བᵰ䕧ߎࠄ䖒᳔໻ؐ߭ᬍবЎޣ { flag = 1; } if((triangleH <= 0x02) && (triangleL <= 0x10)) //བᵰ䕧ߎࠄ䖒᳔ᇣؐ߭ᬍবЎࡴ { flag = 0; } //᠟ࡼᅲ⦄ࡴ⊩/ޣ⊩੠䖯ԡ/׳ԡ䖤ㅫ if(triangleL >= 0xFE && flag == 0) { triangleH = triangleH + 1; triangleL = 0; } else if(triangleL <= 0x01 && flag == 1) { triangleH = triangleH - 1; triangleL = 0xFF; } else { if(flag == 0) triangleL = triangleL + 1; else triangleL = triangleL - 1; } DAC0H = triangleH; //ݭܹ催ԡ᭄᥂ DAC0L = triangleL; //ݭܹԢԡ᭄᥂˄ᖙ乏ܜݭ催ԡ᭄᥂ˈ৺߭ݭᅠԢԡህ᳈ᮄ˅ //delay(10); //ݭ᭄ܹ᥂ֱᣕ } } void timer1(void) interrupt 1 { switch(who) { case 0://ᰒ⼎गԡ who = 1; P2 = (res / 1000) % 10 | 0x30; break; case 1://ᰒ⼎ⱒԡ who = 2; P2 = (res / 100) % 10 | 0x50; break; case 2://ᰒ⼎कԡ who = 0; P2 = (res / 10) % 10 | 0x60; break; } } void adci(void) interrupt 6 { ㄀ 23义 //প䕀ᤶ㒧ᵰ dataL = ADCDATAL; dataH = ADCDATAH; //ᇍ䕀ᤶⱘ㒧ᵰ䖯㸠໘⧚/* res = dataH & 0x0F; res = res << 8; res = res + dataL; //ᓔྟϔ⃵ AD䕀ᤶ*/ SCONV = 1; } 3.3.4 A/DϢ D/Aᅲ偠 z ᅲ偠Ⳃⱘ˖� 1˅❳ᙝ Keil Cᭈԧ㓪⿟⦃๗ҹঞMCU⿟ᑣᓔথ⌕⿟˗ 2˅њ㾷 A/DǃD/A῵ഫⱘᎹ԰ॳ⧚ҹঞ㓪⿟㒧ᵘ˗ 3˅ᄺд A/DǃD/A῵ഫⱘ㓪⿟ᡔᴃDŽ z ᅲ偠ݙᆍ˖� 1˅෎ᴀᅲ偠 1 ᅲ˖偠Ё䗮䖛䇗㡖⬉ԡ఼ⱘ䰏ؐ໻ᇣᴹᬍবAD䗮䘧 0䞛䲚ⱘ⬉य़ؐˈ ✊ৢᡞ䞛䲚ࠄⱘ⬉य़ؐᔦϔࠄ 0̚99ⱘ᭄ؐϞ೼᭄ⷕㅵϞᰒ⼎DŽ 2˅෎ᴀᅲ偠 2˖ᅲ偠Ё䗮䖛 DAC䗮䘧䕧ߎϝ㾦⊶㒭 AD䗮䘧 1ˈ✊ৢᡞ㒣䖛 ADC 䞛䲚ࠄⱘ⬉य़ؐᔦϔࠄ 0̚99ⱘ᭄ؐϞ೼᭄ⷕㅵϞᰒ⼎DŽ 3˅ᦤ催ᅲ偠 䞛˖⫼䇗㡖⬉ԡ఼㒭ᅮ⬉य़៪ DAC䕧ߎᮍᓣᬍব AD䗮䘧 0ⱘ⬉य़ؐˈ ḍ᥂䞛䲚ࠄⱘ⬉य़ؐⱘ໻ᇣᴹ䇗㡖䎥偀♃ⱘᕾ⦃䗳ᑺˈᔧ⬉य़ؐ๲໻ⱘᯊ׭๲ ࡴ䎥偀♃ⱘᕾ⦃䗳ᑺˈডП߭ޣᇣ䎥偀♃ⱘ䗳ᑺDŽ ����0&8 㓐ড়ᅲ偠� z ᅲ偠Ⳃⱘ˖� 1˅❳ᙝ Keil Cᭈԧ㓪⿟⦃๗ҹঞMCU⿟ᑣᓔথ⌕⿟˗ 2˅ᄺдᥠᦵ ADuC812ऩ⠛ᴎⱘ㓐ড়㓪⿟ᡔᴃDŽ 3˅䖯㸠ⷨおൟᅲ偠ˈᦤ催㓐ড়㛑࡯DŽ z ᅲ偠ݙᆍ˖� 1˅ডᑨ⌟䆩␌៣˖Փ⫼䌘⑤Ў 2Ͼᣝ䬂ˈ3Ͼ᭄ⷕㅵ੠ 1Ͼ LEDᣛ⼎♃DŽ␌៣㾘 ㄀ 24义 ߭བϟ˖ϸϾᣝ䬂 1ϾЎޚ໛䬂 1ˈϾЎذℶ䬂DŽ␌៣ᓔྟᯊᣝԣޚ໛䬂ˈ⿟ᑣ 䱣ᴎ⚍҂ LED♃ˈℸᯊᓔྟ䅵ᯊˈᑊࡼᗕഄᰒ⼎೼ 3Ͼ᭄ⷕㅵЁˈℸᯊ␌៣㗙 ᑨ䆹䖙䗳ᬒᓔᣝԣⱘޚ໛䬂ˈᑊ䖙䗳ᣝϟذℶ䬂ˈᔧذℶ䬂ᣝϟᯊˈ䅵᭄ذℶˈ 3 Ͼ᭄ⷕㅵЁᰒ⼎ⱘ᭄ᄫЎডᑨⱘᯊ䯈ˈབᵰ䅵᭄䍙䖛 999ˈ߭䅵᭄ֱᣕ 999DŽ ݡ⃵ᣝϟޚ໛䬂ᯊˈ䅵ᯊᰒ⼎⏙䳊ˈৠᯊ␌៣䞡ᮄᓔྟDŽ 2˅ЦЧ⧗␌៣˖Փ⫼䌘⑤Ў 4 Ͼᣝ䬂ˈ4 Ͼ LED ᣛ⼎੠ 2 Ͼ᭄ⷕㅵDŽ4 Ͼᣝ䬂ߚ ߿ᅮНЎᎺߏ⧗ˈেߏ⧗ˈᓔྟ↨䌯ˈ␌៣䞡㕂˗LED҂䍋㸼⼎ЦЧ⧗ⱘԡ㕂ˈ ᭄ⷕㅵᰒ⼎ᔧࠡঠᮍⱘ↨ߚDŽ␌៣㾘߭བϟ˖ᣝࡼ 1 Ͼᣝ䬂ৢˈ␌៣ᓔྟˈℸ ᯊབᵰᣝࡼᎺߏ⧗䬂ˈ߭ ᳔Ꮊ䖍ⱘ LED҂䍋 ᑊˈϨҢᎺ䖍ᓔྟϡᮁ৥ে䖍⿏ࡼˈ ᔧ᳔ে䖍 1Ͼ LED҂䍋ᯊ བˈᵰℸᯊেߏ⧗䬂ᣝϟˈ߭ LEDҢে䖍জϡᮁ৥Ꮊ 䖍⿏ࡼˈབᵰᦤࠡᣝࡼњেߏ⧗ˈ៪㗙⒲ৢᣝϟেߏ⧗䬂ˈ߭Ꮊ䖍᭄ⷕㅵࡴ 1ˈ ৠ⧚བᵰᎺ䖍ߎ⦄њ䫭䇃ˈ߭ে䖍᭄ⷕㅵࡴ 1ˈ1ሔ␌៣㒧ᴳৢˈݡ⃵ᣝϟᓔྟ ↨䌯䬂߭ᓔྟᮄϔ䕂↨䌯ˈԚ↨ߚֱᣕDŽ೼⧗ᠧ৥ে䖍ⱘ䖛⿟ЁˈᎺߏ䬂≵᳝ ԰⫼ˈডПϔḋDŽ೼␌៣䖛⿟Ёབᵰᣝϟњ␌៣䞡㕂䬂߭␌៣ذℶᑊϨ↨ߚ⏙ 䳊DŽབᵰ㓪ݭ᳝ԭ࡯ˈৃҹ㗗㰥೼↣ϔ⃵⧗㹿ᠧߏৢˈ⧗ⱘ⿏ࡼ䗳ᑺ䛑᳝ᇥ䞣 ⱘᦤ催ˈҹ๲ࡴ␌៣ⱘᇍᡫᗻ੠䍷ੇᗻDŽ 3˅㞾㸠䆒䅵ᅲ偠˖㽕∖㛑໳⫼ࠄЁᮁǃAD੠ IOˈ᳝ϔᅮⱘ䍷ੇ੠㓪⿟䲒ᑺDŽ 䗮䖛䇒ූᄺдᑊ೼Ҩ㒚䯙䇏њ ADuC812ऩ⠛ᴎᅲ偠ᣛᇐкПৢˈৠᄺӀᑨ䆹ᇍᅲ偠㋏ 㒳ҹঞऩ⠛ᴎⱘ෎⸔⧚䆎ⶹ䆚᳝њϔᅮњ㾷DŽⳌֵৠᄺӀ೼䖭ᴀ㓪⿟ᣛᇐкⱘᣛᇐϟ 䅸ˈⳳ ᅠ៤кЁ᠔䆒䅵ⱘ↣ϔϾ㓪⿟ᅲ䏉⦃㡖ˈህϔᅮ㛑໳ᥠᦵདऩ⠛ᴎⱘՓ⫼DŽ