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HT46R002 датащи(PDF) 35 Page - Holtek Semiconductor Inc |
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HT46R002 датащи(HTML) 35 Page - Holtek Semiconductor Inc |
35 / 83 page Rev. 1.21 34 April 11, 2017 Rev. 1.21 35 April 11, 2017 HT46R002/HT46R003 Cost-Effective A/D 8-Bit OTP MCU HT46R002/HT46R003 Cost-Effective A/D 8-Bit OTP MCU I/O Port Control Registers EachporthasitsowncontrolregisterknownasPAC,PCC,whichcontroltheinput/output configuration.Withthiscontrolregister,eachI/Opinwithorwithoutpull-highresistorscanbe reconfigureddynamicallyundersoftwarecontrol.FortheI/Opintofunctionasaninput,the correspondingbitofthecontrolregistermustbewrittenasa“1”.Thiswillthenallowthelogic stateoftheinputpintobedirectlyreadbyinstructions.Whenthecorrespondingbitofthecontrol registeriswrittenasa“0”,theI/OpinwillbesetasaCMOSoutput.Ifthepiniscurrentlysetasan output,instructionscanstillbeusedtoreadtheoutputregister.However,itshouldbenotedthatthe programwillinfactonlyreadthestatusoftheoutputdatalatchandnottheactuallogicstatusofthe outputpin. PAC Register Bit 7 6 5 4 3 2 1 0 Name PAC7 PAC6 PAC5 PAC4 PAC3 PAC2 PAC1 PAC0 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 PortAbit7~bit0Input/Outputcontrol 0:Output 1:Input PCC Register – HT46R003 only Bit 7 6 5 4 3 2 1 0 Name — — PCC5 PCC4 PCC3 PCC2 PCC1 PCC0 R/W — — R/W R/W R/W R/W R/W R/W POR — — 1 1 1 1 1 1 Bit7~6 Unimplemented,readas"0" Bit5~0 PortCbit5~bit0Input/Outputcontrol 0:Output 1:Input |
Аналогичный номер детали - HT46R002 |
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Аналогичное описание - HT46R002 |
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