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HT45F56 Datasheet(PDF) 19 Page - Holtek Semiconductor Inc |
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HT45F56 Datasheet(HTML) 19 Page - Holtek Semiconductor Inc |
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19 / 90 page  Rev. 1.11 18 April 11, 2017 Rev. 1.11 19 April 11, 2017 HT45F56 Shock Detector Flash MCU HT45F56 Shock Detector Flash MCU General Purpose Data Memory Allmicrocontrollerprogramsrequireanareaofread/writememorywheretemporarydatacanbe storedandretrievedforuselater.ItisthisareaofRAMmemorythatisknownasGeneralPurpose DataMemory.ThisareaofDataMemoryisfullyaccessiblebytheuserprogramingforbothreading andwritingoperations.Byusingthebitoperationinstructionsindividualbitscanbesetorreset underprogramcontrolgivingtheuseralargerangeofflexibilityforbitmanipulationintheData Memory. Special Purpose Data Memory This area of Data Memory is where registers, necessary for the correct operation of the microcontroller,arestored.Mostoftheregistersarebothreadableandwriteablebutsomeare protectedandarereadableonly,thedetailsofwhicharelocatedundertherelevantSpecialFunction Registersection.Notethatforlocationsthatareunused,anyreadinstructiontotheseaddresseswill returnthevalue“00H”. 00H IAR0 01H MP0 02H IAR1 03H MP1 04H 05H ACC 06H PCL 07H TBLP 08H TBLH 09H 0AH STATUS 0BH 0CH 0DH 0EH 0FH 10H INTC0 11H 12H 19H PAPU 18H PAWU 1BH 1AH 1DH 1CH 1FH PA PAC 13H 14H 15H 16H 17H : Unused, read as 00H TBC 1EH EEC Bank 0 ~ Bank 1 BP SMOD INTC1 WDTC SMOD1 EEA EED 20H 21H 22H 29H 28H 2BH 2AH 2DH 2CH 2FH 2EH 23H 24H 25H 26H 27H 30H 31H 32H 33H 34H 35H 36H 37H RSTC 3FH CTMC0 CTMC1 CTMDL CTMDH CTMAL CTMAH DACR CMPC DEBC MUXC PSEL OPAC OPGA Bank 0 ~ Bank 1 Bank 1 40H Speciap Purpose Data Memory Structure |
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