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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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HT46R004 датащи(PDF) 32 Page - Holtek Semiconductor Inc |
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HT46R004 датащи(HTML) 32 Page - Holtek Semiconductor Inc |
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32 / 84 page  Rev. 1.30 3� �an�a�� ��� �01� Rev. 1.30 33 �an�a�� ��� �01� HT46R004 Cost-Effective A/D 8-Bit OTP MCU Input/Output Ports HoltekmicrocontrollersofferconsiderableflexibilityontheirI/Oports.Mostpinscanhaveeitheran inputoroutputdesignationunderuserprogramcontrol.Additionally,astherearepull-highresistors andwake-upsoftwareconfigurations,theuserisprovidedwithanI/Ostructuretomeettheneedsof awiderangeofapplicationpossibilities. Thedeviceprovidesbidirectionalinput/outputlineslabeledwithportnamesPA~PC.TheseI/O portsaremappedtotheRAMDataMemorywithspecificaddressesasshownintheSpecialPurpose DataMemorytable.AlloftheseI/Oportscanbeusedforinputandoutputoperations.Forinput operation,theseportsarenon-latching,whichmeanstheinputsmustbereadyattheT2risingedge ofinstruction“MOVA,[m]”,wheremdenotestheportaddress.Foroutputoperation,allthedatais latchedandremainsunchangeduntiltheoutputlatchisrewritten. I/O Registers List Register Name Bit 7 6 5 4 3 2 1 0 PA PA7 PA� PA5 PA4 PA3 PA� PA1 PA0 PAC PAC7 PAC� PAC5 PAC4 PAC3 PAC� PAC1 PAC0 PAPU PAPU7 PAPU� PAPU5 PAPU4 PAPU3 PAPU� PAPU1 PAPU0 PAWU PAWU7 PAWU� PAWU5 PAWU4 PAWU3 PAWU� PAWU1 PAWU0 PB PB7 PB� PB5 PB4 PB3 PB� PB1 PB0 PBC PBC7 PBC� PBC5 PBC4 PBC3 PBC� PBC1 PBC0 PBPU PBPU7 PBPU� PBPU5 PBPU4 PBPU3 — PBPU1 PBPU0 PC — — — — — — PC1 PC0 PCC — — — — — — PCC1 PCC0 PCPU — — — — — — PCPU1 PCPU0 Pull-high Resistors Manyproductapplicationsrequirepull-highresistorsfortheirswitchinputsusuallyrequiringthe useofanexternalresistor.Toeliminatetheneedfortheseexternalresistors,allI/Opinshavethe capabilityofbeingconnectedtoaninternalpull-highresistorwhenconfiguredasaninput.These pull-highresistorsareselectedusingaregistersPAPU~PCPUlocatedintheDataMemory.The pull-highresistorsareimplementedusingweakPMOStransistors.NotethatpinPB2doesnot haveapull-highresistorselection. PAPU Register Bit 7 6 5 4 3 2 1 0 Name PAPU7 PAPU� PAPU5 PAPU4 PAPU3 PAPU� PAPU1 PAPU0 R/W R/W R/W R/W R/W R/W R/W R/W R/W POR 0 0 0 0 0 0 0 0 Bit7~0 PAPU7~PAPU0:PortAbit7~bit0pull-highcontrol 0:Disable 1:Enable |
Аналогичный номер детали - HT46R004 |
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Аналогичное описание - HT46R004 |
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