BL3501 데이터 시트보기 (PDF) - Shanghai Belling Co., Ltd.

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BL3501

BL3501

Shanghai Belling Co., Ltd. 



 Ϟ⍋䋱ኁⷑ߯ᖂ⬉ᄤ᳝䰤݀ৌ

Shanghai Belling-Systron Microelectronics Co., Ltd.

ԡᏺ57&ⱘ0$6.ऩ⠛ᴎ㢃⠛%/

Ң㗠ৃҹࡴ䗳 RTC ⱘ⌟䆩䖛⿟DŽ㋏㒳໡ԡᯊˈRTCT ⏙䳊DŽ

F38KEĔ38KHz Modulation Enable

1ܕ˖䆌 38KHz 䇗ࠊ

0˖ϡܕ䆌 38KHz 䇗ࠊDŽ

F38KE އᅮᰃ৺೼ OUT ᓩ㛮ⱘ䕧ߎֵোϞࡴ䕑 38KHz ⱘ䇗ࠊ⊶DŽ㋏㒳໡ԡᯊˈF38KE

⏙䳊DŽ

3.2.11 RTC ࣅᄥޗӉ୶ RCRďRTC Control RegisterĐ

RCR ᰃϔϾ⫼Ѣ᥻ࠊ RTC ῵ഫᎹ԰ᮍᓣⱘᆘᄬ఼DŽ

Address bit 7 bit 6 bit 5 bit 4

bit 3 bit 2 bit 1 bit 0

RCR $90 RTCIF RTCIE

ADJ/XSTP FLAG

CT1 CT0

RTCIFĔRTC Interrupt Flag

1˖⏙ RTC Ёᮁ䫕ᄬֵোDŽ

Reset

0101 00-0

0˖ֱ⬭ RTC Ёᮁ䫕ᄬֵোDŽ

㋏㒳໡ԡᯊˈRTCIF ⏙䳊DŽRTC ѻ⫳ЁᮁৢˈЁᮁֵোᇚ㹿䫕ᄬˈᔧ RTCIF=1 ᯊˈ⏙

RTC Ёᮁ䫕ᄬֵো˗RTCIF=0 ᯊˈRTC Ёᮁ䫕ᄬֵোϡবDŽ೼ડᑨ RTC ЁᮁПৢˈ೼Ёᮁ

໘⧚ᄤ⿟ᑣЁᑨᇍ RTCIF ݭĀ1āˈ৺߭ᇚϡᮁડᑨ RTC ЁᮁDŽ䇏 RTCIF 㒧ᵰྟ㒜ЎĀ0āDŽ

RTCIEĔRTC Interrupt Enable

1˖⽕ℶ RTC ЁᮁDŽ

0ܕ˖䆌 RTC ЁᮁDŽ

RTCIE ᰃ RTC ЁᮁՓ㛑ԡˈЁᮁֵোḍ᥂ CT1:CT0 ⱘ㓪ⷕϡৠ䕧ߎϡৠⱘ਼ᳳᗻЁᮁDŽ

㋏㒳໡ԡᯊˈRTCIE 㕂 1ˈ⽕ℶ RTC ЁᮁDŽ

ADJ/XSTPĔClock Adjust or Crystal Oscillator Stop

ADJ/XSTP ᰃϔԡ໡⫼ԡˈ೼ܹݭᯊᰃ ADJ˄ᯊ䩳᷵ℷԡ˅ˈ೼䇏ߎᯊᰃ XSTP˄RTC

᱊ᤃذᤃẔ⌟ԡ˅DŽᇍ ADJ 㕂Ā1āৢˈབᵰ⾦㑻ⱘ䅵᭄໻Ѣ 30ˈ߭ߚ䩳ⱘ䅵᭄ࡴϔˈ䱣ৢ

⾦䅵᭄㹿⏙䳊ˈПৢ ADJ 䖨ಲॳ⢊ᗕDŽXSTP˖া㛑䇏ߎˈ᮴ࡳݭ㛑DŽᯊ䩳῵ഫϞ⬉ৢЎ 1ˈ

ᇍᅗᅲ⦄߱ྟ࣪˄ݭ᪡԰˅ৢˈবЎ 0DŽབᵰ XSTP さ✊বЎ 1ˈ䇈ᯢ೼Ϟϔ⃵䇏᪡԰ৢˈ

RTC ⱘ 32KHz ᱊ᤃ᳒㒣ذᤃˈᯊ䯈᭄᥂ϡᇍˈᦤ⼎᳈ᮄᯊ䯈᭄᥂DŽ

FLAGĔRTC R/W Enable Flag

1˖⽕ℶ䇏ݭ᪡԰DŽ

0ܕ˖䆌䇏ݭ᪡԰DŽ

FLAG ᰃ䇏ܕݭ䆌ᷛᖫԡˈᰃা䇏ⱘDŽ⬅Ѣ RTC Ёᄬ೼Ѩ㑻䅵఼᭄ˈⳌѦП䯈ᄬ೼䖯

⬉䆱˖Ӵⳳ˖㔥ഔZZZV\VWURQVKFQRI

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