ETIC 2230 Guia do Utilizador descarregar pdf (Página 125)

Rev. 1.10 124 November 14, 2014 Rev. 1.10 125 November 14, 2014

HT66FW2230

Wireless Charger A/D Flash 8-Bit MCU

PSCR Register

Bit 7 6 5 4 3 2 1 0

Name — — — — — — CLKSEL1 CLKSEL0

R/W — — — — — — R/W R/W

POR — — — — — — 0 0

Bit7~2 Unimplemented,readas"0"

Bit1~0 CLKSEL1 ~ CLKSEL0:f

clocksourceselection

00:f

SYS

01:f

SYS

11:f

SUB





















   

  





















 





Time Base Interrupt

EEPROM Interrupt

TheEEPROMinterruptiscontainedwithintheMulti-functionInterrupt.AnEEPROMInterrupt

requestwilltakeplacewhentheEEPROMInterruptrequestflag,DEF,isset,whichoccurs

whenanEEPROMWritecycleends.Toallowtheprogramtobranchtoitsrespectiveinterrupt

vectoraddress,theglobalinterruptenablebit,EMI,andEEPROMInterruptenablebit,DEE,

andassociatedMulti-functioninterruptenablebit,MF2E,mustrstbeset.Whentheinterruptis

enabled,thestackisnotfullandanEEPROMWritecycleends,asubroutinecalltotherespective

EEPROMInterruptvector,willtakeplace.WhentheEEPROMInterruptisserviced,theEMIbit

willbeautomaticallyclearedtodisableotherinterrupts,howeveronlytheMulti-functioninterrupt

requestagwillbealsoautomaticallycleared.AstheDEFagwillnotbeautomaticallycleared,it

hastobeclearedbytheapplicationprogram.

LVD Interrupt

TheLowVoltageDetectorInterruptiscontainedwithintheMulti-functionInterrupt.AnLVD

InterruptrequestwilltakeplacewhentheLVDInterruptrequestflag,LVF,isset,whichoccurs

whentheLowVoltageDetectorfunctiondetectsalowpowersupplyvoltage.Toallowtheprogram

tobranchtoitsrespectiveinterruptvectoraddress,theglobalinterruptenablebit,EMI,andLow

VoltageInterruptenablebit,LVE,andassociatedMulti-functioninterruptenablebit,MF2E,must

rstbeset.Whentheinterruptisenabled,thestackisnotfullandalowvoltageconditionoccurs,

asubroutinecalltotheLVDInterruptvector,willtakeplace.WhentheLowVoltageInterruptis

serviced,theEMIbitwillbeautomaticallyclearedtodisableotherinterrupts,howeveronlythe

Multi-functioninterruptrequestagwillbealsoautomaticallycleared.AstheLVFagwillnotbe

automaticallycleared,ithastobeclearedbytheapplicationprogram.

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