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HT45R4U датащи(PDF) 36 Page - Holtek Semiconductor Inc |
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HT45R4U датащи(HTML) 36 Page - Holtek Semiconductor Inc |
36 / 105 page Rev. 1.10 36 �a��� 1�� �01� Rev. 1.10 37 �a��� 1�� �01� HT45R4U TinyPowerTM A/D Type e-Banking ASSP OTP MCU with LCD PCFS Register Bit 7 6 5 4 3 2 1 0 Name PCFS7 PCFS6 PCFS� PCFS4 PCFS3 PCFS� PCFS1 PCFS0 R/W R/W R/W R/W R/W R/W R/W R/W R/W POR 1 1 1 1 1 1 1 1 Bit7~0 PortCbit7~bit0functionselection 0:I/O 1:SEG PDFS Register Bit 7 6 5 4 3 2 1 0 Name PDFS7 PDFS6 PDFS� PDFS4 PDFS3 PDFS� PDFS1 PDFS0 R/W R/W R/W R/W R/W R/W R/W R/W R/W POR 1 1 1 1 1 1 1 1 Bit7~0 PortDbit7~bit0functionselection 0:I/O 1:SEG LCD Reset Function TheLCDhasaninternalresetfunctionthatisanORfunctionoftheinvertedLCDENbitinthe LCDCTRLregisterandtheSleepfunction.TheLCDresetsignalisactivehigh.TheLCDENsignal istheinverseoftheLCDENbitintheLCDCTRLregister. ResetLCD=SleepModeorLCDEN. LCDEN=0andLCDEN=1mustbeenabledtoactivatetheregisterfunction. LCDEN Sleep Mode Reset LCD 0 Off √ 0 On √ 1 Off x 1 On √ LCD Reset Function Clock Source TheLCDclocksourceistheinternalclocksignal,fSUB,dividedby8,usinganinternaldivider circuit.ThefSUBinternalclockissuppliedbytheexternal32768Hzoscillator.ForproperLCD operation,thisarrangementisprovidedtogenerateanidealLCDclocksourcefrequencyof4kHz. fSUB Clock Source LCD Clock Frequency Exte�nal 3�768Hz Os�. 4kHz LCD Clock Source |
Аналогичный номер детали - HT45R4U |
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Аналогичное описание - HT45R4U |
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