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HT45R4U датащи(PDF) 19 Page - Holtek Semiconductor Inc |
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HT45R4U датащи(HTML) 19 Page - Holtek Semiconductor Inc |
19 / 105 page Rev. 1.10 18 �a��� 1�� �01� Rev. 1.10 19 �a��� 1�� �01� HT45R4U TinyPowerTM A/D Type e-Banking ASSP OTP MCU with LCD Look-up Table AnylocationwithintheProgramMemorycanbedefinedasalook-uptablewhereprogrammerscan storefixeddata.Tousethelook-uptable,thetablepointerpairmustfirstbesetupbyplacingthe addressofthelookupdatatoberetrievedinthetablepointerregisterpair,TBLPandTBHP.This registerpairdefinestheaddressofthelook-uptable. Aftersettingupthetablepointerpair,thetabledatacanberetrievedfromthespecificProgram Memory page or last Program Memory page using the "TABRD[m]" or "TABRDL [m]" instructions,respectively.Whentheseinstructionsareexecuted,thelowerordertablebytefromthe ProgramMemorywillbetransferredtotheuserdefinedDataMemoryregister[m]asspecifiedin theinstruction.ThehigherordertabledatabytefromtheProgramMemorywillbetransferredtothe TBLHspecialregister. Thefollowingdiagramillustratestheaddressing/dataflowofthelook-uptable: Re gi st er T BL H Us er S el ec te d Re gi st er Hi gh B yt eL ow B yt e Las t p age o r TB HP R egi st er TB LP R eg is te r Da ta 16 b it s Pr og ra m Me mo ry Instruction Table Location Bits b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0 TABRD[m] PC13 PC1� PC11 PC10 PC9 PC8 @7 @6 @� @4 @3 @� @1 @0 TABRDL[m] 1 1 1 1 1 1 @7 @6 @� @4 @3 @� @1 @0 Table Location Note:PC13~PC8:TablepointerTBHPbits @7~@0:TablePointerTBLPbits |
Аналогичный номер детали - HT45R4U |
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Аналогичное описание - HT45R4U |
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