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௿༧ࢉిࢠ޻࡞ 7ͷ࡞Γํ Naomasa Matsubayashi

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͍·Ͳ͖ͷϚΠίϯ 7ۦಈ

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סి஑ຊͰ࡞ͬͨ7Ͱಈ͘෺΋ଟ͍͚Ͳ

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<7> סి஑ͷిѹ͸ঃʑʹԼ͕͍ͬͯ͘ ˞άϥϑ͸ΠϝʔδͰ͢ ࠷௿Ͱ΋7Λཁٻ͢ΔσόΠε͕ಈ͚Δ͔ᷮͳظؒ

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҆ఆͨ͠7Λ࡞Ζ͏

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HOLTEK HT7733A 7Ҏ্ͷೖྗ͔Β ࠷େN"ͷ7Λ࡞Δ ঢѹ%$%$ίϯόʔλ

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HOLTEK HT7733A σδοτͰԁ http://eleshop.jp/shop/g/g7CJ311/

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HT7733A V) V' V' 7Ҏ্7ҎԼͷ ԿΒ͔ͷిѹ 7 (/% -9 7065

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ϒϨουϘʔυͰ૊ΈཱͯΑ͏

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༻ҙ͢Δ΋ͷ ˞͜ͷࣸਅʹ͸ඞཁͳδϟϯύϫΠϠ͕ຊ͍ࣸͬͯͳ͍ ඞཁͳ෺͸࣍ͷεϥΠυΛ֬ೝ͠Α͏

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༻ҙ͢Δ΋ͷ ϒϨουϘʔυ ి஑ϘοΫε୯Y ిղίϯσϯαV' ిղίϯσϯαV' γϣοτΩόϦΞμΠΦʔυ ίΠϧV' ԁ ԁ ݸͰԁ ݸͰԁ ԁ ݸͰԁ අ༻ͷΊ΍͢ ෦඼

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ిղίϯσϯαV' ిղίϯσϯαV' γϣοτΩόϦΞμΠΦʔυ ίΠϧV' ୯ܗסి஑ δϟϯύϫΠϠຊ ݸͰԁ ݸͰԁ ԁ ݸͰԁ ݸͰԁ ԁ ߹ܭ ηοτลΓԁ )5" ԁ ॳճʹඞཁͳඅ༻ԁ

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ಈ࡞֬ೝʹඞཁͳ΋ͷ

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ಈ࡞֬ೝʹඞཁͳ΋ͷ ॱํ޲ిѹ7Ҏ্ఆ֨N"ͷ-&% ఍߅Њ ݸͰԁ ݸͰԁ ߹ܭ ηοτลΓԁ අ༻ͷΊ΍͢ ෦඼ ॳճʹඞཁͳඅ༻ԁ ిࢠ෦඼͸·ͱΊͯങ͏ఔ͍҆ ͓༑ୡ͕طʹిࢠ޻࡞Λ͍ͯ͠ΔͳΒ ͜ΕΒͷ෦඼Λ͍࣋ͬͯͳ͍͔ฉ͍ͯΈΑ͏

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δϟϯύϫΠϠͷ͏ͪຊΛి஑ϘοΫεͷϫΠϠʹܨ͛Δ ൒ా͕ͯ͝ແ͍৔߹ηϩϋϯςʔϓͰר͍ͯͬ͘෇͚ͯ΋ྑ͍

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ి஑ͷଆΛGʹɺଆΛͷిݯϨʔϯͷϚε໨ʹ઀ଓ

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K͔ΒిݯϨʔϯͷͷϚε໨ʹV'ͷίϯσϯαΛ෇͚Δ ిղίϯσϯαͷ޲͖ʹ஫ҙ7ͷҹ͕͍ͭͨํΛଆʹ

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I͔ΒHʹV)ͷίΠϧΛ઀ଓ

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)5"ΛฏΒͳ໘͕ίΠϧͷํΛ޲͘Α͏ʹGGGʹ઀ଓ

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J͔ΒͷిݯϨʔϯͷϚε໨ʹμΠΦʔυΛ઀ଓ

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HͱͷిݯϨʔϯͷϚε໨ΛδϟϯύϫΠϠͰ઀ଓ

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IͱͷిݯϨʔϯͷϚε໨ΛδϟϯύϫΠϠͰ઀ଓ

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ͷిݯϨʔϯͷϚε໨͔ΒͷిݯϨʔϯͷϚε໨ʹ V'ͷిղίϯσϯαΛ઀ଓ ޲͖ʹ஫ҙ

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׬੒ GND 3.3V

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ಈ࡞֬ೝ

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סి஑ຊͷిѹ 7 Ͱ͸ޫΒͳ͍7ͷ-&% ஫ҙผʹ͜Μͳߴ͍-&%Ͱͳͯ͘΋ྑ͍

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ͷిݯϨʔϯʹЊͷ఍߅Λ઀ଓ

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఍߅Λܨ͍ͩઌ͔ΒͷిݯϨʔϯʹ-&%Λ઀ଓ

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ޫͬͨ

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7ͩ

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N"·ͰͱΕΔ ిࢠ޻࡞ͰΑ͘࢖͏ϚΠίϯఔ౓ͳΒ༨༟Ͱಈ͔ͤΔ

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HT7733Aͷ୅ΘΓʹ HT7750AΛ࢖͑͹ 5VΛ࡞ΕΔ

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·ͱΊ HT7733Aͱز͔ͭͷ෦඼Λ૊Έ߹Θͤͯ ҆ఆͨ͠3.3VΛ࡞Δࣄ͕ग़དྷΔ