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HT69F360 データシート(PDF) 80 Page - Holtek Semiconductor Inc |
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HT69F360 データシート(HTML) 80 Page - Holtek Semiconductor Inc |
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80 / 235 page  Rev. 1.30 �0 �ove��e� 1�� �01� Rev. 1.30 �1 �ove��e� 1�� �01� HT69F340/HT69F350/HT69F360 TinyPowerTM I/O Flash MCU with LCD & EEPROM HT69F340/HT69F350/HT69F360 TinyPowerTM I/O Flash MCU with LCD & EEPROM Reset Initial Conditions Thedifferenttypesofresetdescribedaffecttheresetflagsindifferentways.Theseflags,known asPDFandTOarelocatedinthestatusregisterandarecontrolledbyvariousmicrocontroller operations,suchastheSLEEPorIDLEModefunctionorWatchdogTimer.Theresetflagsare showninthetable: TO PDF RESET Conditions 0 0 Powe�-on �eset u u LVR �eset du�ing �ORMAL o� SLOW Mode ope�ation 1 u WDT ti�e-out �eset du�ing �ORMAL o� SLOW Mode ope�ation 1 1 WDT ti�e-out �eset du�ing IDLE o� SLEEP Mode ope�ation �ote: “u” stands fo� unchanged Thefollowingtableindicatesthewayinwhichthevariouscomponentsofthemicrocontrollerare affectedafterapower-onresetoccurs. Item Condition After RESET P�og�a� Counte� Reset to ze�o Inte��upts All inte��upts will �e disa�led WDT Clea� afte� �eset� WDT �egins counting Ti�e� Modules Ti�e� Modules will �e tu�ned off Input/Output Po�ts I/O po�ts will �e setup as inputs Stack Pointe� Stack Pointe� will point to the top of the stack Thedifferentkindsofresetsallaffecttheinternalregistersofthemicrocontrollerindifferentways. Toensurereliablecontinuationofnormalprogramexecutionafteraresetoccurs,itisimportantto knowwhatconditionthemicrocontrollerisinafteraparticularresetoccurs.Thefollowingtable describeshoweachtypeofresetaffectsthemicrocontrollerinternalregisters.Notethatwheremore thanonepackagetypeexiststhetablewillreflectthesituationforthelargerpackagetype. HT69F340 Register Power-On Reset RES or LVR Reset (Normal Operation) RESReset (HALT) WDT Time-out (Normal Operation) WDT Time-out (HALT) IAR0 xxxx xxxx uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu MP0 xxxx xxxx uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu IAR1 xxxx xxxx uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu MP1L 0000 0000 0000 0000 0000 0000 0000 0000 uuuu uuuu MP1H 0000 0000 0000 0000 0000 0000 0000 0000 uuuu uuuu ACC xxxx xxxx uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu PCL 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 TBLP xxxx xxxx uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu TBLH xxxx xxxx uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu TBHP ---- xxxx ---- uuuu ---- uuuu ---- uuuu ---- uuuu STATUS xx00 xxxx uuuu uuuu uu01 uuuu xx1u uuuu u u11 uu u u IAR� xxxx xxxx uuuu uuuu uuuu uuuu uuuu uuuu uuuu uuuu MP�L 0000 0000 0000 0000 0000 0000 0000 0000 uuuu uuuu MP�H 0000 0000 0000 0000 0000 0000 0000 0000 uuuu uuuu TBC 001 1 -1 1 1 001 1 -1 1 1 001 1 -1 1 1 001 1 -1 1 1 uuuu -uuu I�TC0 -000 0000 -000 0000 -000 0000 -000 0000 -uuu uuuu I�TC1 0000 0000 0000 0000 0000 0000 0000 0000 uuuu uuuu SMOD1 ---- -x00 ---- -x00 ---- -x00 ---- -x00 ---- -uuu |
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