BL3501 データシートの表示（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.

PB1ĔPB1 Pull-up

1ݙ˖䚼 12Kohm ⱘ⬉䰏䖲ࠄ PB1 ⱘ䕧ܹッDŽ

0˖PB1 ᮴Ϟᢝ⬉䰏DŽ

PB0ĔPB0 Pull-up

1ݙ˖䚼 12Kohm ⱘ⬉䰏䖲ࠄ PB0 ⱘ䕧ܹッDŽ

0˖PB0 ᮴Ϟᢝ⬉䰏DŽ

ԡᏺ57&ⱘ0$6.ऩ⠛ᴎ㢃⠛%/

3.2.9 ߏ૭ᄯծୀΗޗӉ୶ KBIMďKeyboard Interrupt Mask RegisterĐ

KBIM ⫼Ѣ䗝ᢽ PA ষⱘ䬂Ⲭᠿᦣࡳ㛑ᰃ৺ᠧᓔDŽ

Address bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 Reset

KBIM $0B KBE7 KBE6 KBE5 KBE 4 KBE 3 KBE 2 KBE 1 KBE 0 00000000

KBE7:KBE0ĔKeyboard Enable

1˖PA7:PA0 ԰Ў䬂Ⲭᠿᦣ䕧ܹষDŽ

0˖PA7:PA0 ԰Ў᱂䗮ⱘ I/O ষDŽ

3.2.10 ၶဈࣅᄥޗӉ୶ MCRďMiscellanceous Control RegisterĐ

MCR ⫼Ѣ᥻ࠊ䬂ⲬЁᮁǃ38K 䕑⊶੠ RTC ⱘ⌟䆩DŽ

Address bit 7 bit 6 bit 5

MCR $0C KBIE KBIC RTCT

KBIEĔKeyboard Interrupt Enable

bit 4

bit 3

bit 2

bit 1

bit 0

F38KE

Reset

00000000

1ܕ˖䆌䬂ⲬЁᮁDŽ

0˖⽕ℶ䬂ⲬЁᮁDŽ

㋏㒳໡ԡᯊˈKBIE ⏙䳊DŽKBIE ੠৘Ͼ⣀ゟⱘ䬂ⲬЁᮁ䗝ᢽԡ KBEx ᠻ㸠ĀϢā᪡԰ˈ

Ң㗠އᅮᰃ৺㛑ѻ⫳䬂ⲬЁᮁ䇋∖ֵোDŽ

KBICĔKeyboard Interrupt Clear

1˖⏙䬂ⲬЁᮁ䫕ᄬֵোDŽ

0˖ֱ⬭䬂ⲬЁᮁ䫕ᄬֵোDŽ

㋏㒳໡ԡᯊˈKBIC ⏙䳊DŽ೼ડᑨ䬂ⲬЁᮁৢˈ䬂ⲬЁᮁ໘⧚ᄤ⿟ᑣЁᑨᇍ⏙䬂ⲬЁᮁ

䫕ᄬֵোˈेᇍ KBIC ݭĀ1āDŽӏԩᯊ䇏 KBIC ⱘ㒧ᵰᘏЎĀ0āDŽ

RTCTĔRTC Test

1˖ᠧᓔ RTC ⌟䆩῵ᓣDŽ

0˖݇䯁 RTC ⌟䆩῵ᓣDŽ

RTCT ⫼Ѣᓔ݇ RTC ⱘ⌟䆩῵ᓣˈ䖯ܹ RTC ⌟䆩῵ᓣৢˈᇚ㋏㒳ᯊ䩳ᓩܹ RTC ῵ഫˈ

⬉䆱˖Ӵⳳ˖㔥ഔZZZV\VWURQVKFQRI

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