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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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HT66F017L датащи(PDF) 39 Page - Holtek Semiconductor Inc |
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HT66F017L датащи(HTML) 39 Page - Holtek Semiconductor Inc |
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39 / 128 page  Rev. 1.00 �8 ���� 0�� �01� Rev. 1.00 �9 ���� 0�� �01� HT66F016L/HT66F017L 0.9V Battery Flash A/D Type 8-Bit MCU SL E EP0 HA LT i ns tr uc ti on i s ex ec ut ed f SYS of f CP U st op ID LE N= 0 f TB C of f f SU B of f WD T & L VD o ff NO RM AL f SYS =f H ~f H /6 4 f H o n CP U ru n f SYS o n f TB C o n f SU B o n ID LE 1 HA LT i ns tr uc ti on i s ex ec ut ed CP U st op ID LE N= 1 FS YS ON =1 f SYS o n f TB C o n f SU B on ID LE 0 HA LT i ns tr uc ti on i s ex ec ut ed CP U st op ID LE N= 1 FS YS ON =0 f SYS o ff f TB C o n f SU B o n SL OW f SYS =f L f L o n CP U ru n f SYS o n f TB C o n f SU B o n f H o ff SL E EP1 HA LT i ns tr uc ti on i s ex ec ut ed f SYS o ff CP U st op ID LE N= 0 f TB C o ff f SU B o n WD T or L VD o n Operating Mode Switching and Wake-up Thedevicecanswitchbetweenoperatingmodesdynamicallyallowingtheusertoselectthebest performance/powerratioforthepresenttaskinhand.Inthiswaymicrocontrolleroperationsthat donotrequirehighperformancecanbeexecutedusingslowerclocksthusrequiringlessoperating currentandprolongingbatterylifeinportableapplications. Insimpleterms,ModeSwitchingbetweentheNORMALModeandSLOWModeisexecuted usingtheHLCLKbitandCKS2~CKS0bitsintheSMODregisterwhileModeSwitchingfromthe NORMAL/SLOWModestotheSLEEP/IDLEModesisexecutedviatheHALTinstruction.When aHALTinstructionisexecuted,whetherthedeviceenterstheIDLEModeortheSLEEPModeis determinedbytheconditionoftheIDLENbitintheSMODregisterandFSYSONintheCTRL register. WhentheHLCLKbitswitchestoalowlevel,whichimpliesthatclocksourceisswitchedfromthe highspeedclocksource,fH,totheclocksource,fH/2~fH/64orfL.IftheclockisfromthefL,thehigh speedclocksourcewillstoprunningtoconservepower.Whenthishappensitmustbenotedthatthe fH/16andfH/64internalclocksourceswillalsostoprunning,whichmayaffecttheoperationofother internalfunctionssuchastheTMs.Theaccompanyingflowchartshowswhathappenswhenthe devicemovesbetweenthevariousoperatingmodes. |
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