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HT45F75 Datasheet(PDF) 155 Page - Holtek Semiconductor Inc |
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HT45F75 Datasheet(HTML) 155 Page - Holtek Semiconductor Inc |
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155 / 190 page  Rev. 1.10 15� De�e��e� 1�� �01� Rev. 1.10 155 De�e��e� 1�� �01� HT45F75 Body Fat Scale Flash MCU HT45F75 Body Fat Scale Flash MCU TBC Register Bit 7 6 5 4 3 2 1 0 Na�e TBON TBCK TB11 TB10 LXTLP TB0� TB01 TB00 R/W R/W R/W R/W R/W R/W R/W R/W R/W POR 0 0 1 1 0 1 1 1 Bit7 TBON:TB0andTB1Control 0:Disable 1:Enable Bit6 TBCK:SelectfTBClock 0:fSUB 1:fSYS/4 Bit5~4 TB11~TB10:SelectTimeBase1Time-outPeriod 00:4096/fTB 01:8192/fTB 10:16384/fTB 11:32768/fTB Bit3 LXTLP:LXTLowPowerControl 0:QuickStartMode 1:LowPowerMode Bit2~0 TB02~TB00:SelectTimeBase0Time-outPeriod 000:256/fTB 001:512/fTB 010:1024/fTB 011:2048/fTB 100:4096/fTB 101:8192/fTB 110:16384/fTB 111:32768/fTB I2C Time Out Interrupt TheI2CTimeOutInterruptoperatesiscontainedwithintheMulti-functionInterrupt.AnI2CTime OutInterruptrequestwilltakeplacewhentheI2CTimeOutInterruptrequestflag,I2CTOF,is set,whichoccurswhenanI2Ctime-outcounteroverflows.Toallowtheprogramtobranchtoits respectiveinterruptvectoraddress,theglobalinterruptenablebit,EMI,I2Ctimeoutinterruptenable bit,I2CTOE,andassociatedMulti-functioninterruptenablebit,mustfirstbeset.Whentheinterrupt isenabled,thestackisnotfullandanI2Ctime-outcounteroverflowoccurs,asubroutinecallto therespectiveMulti-functionInterrupt,willtakeplace.WhentheI2Ctimeoutinterruptisserviced, theEMIbitwillbeautomaticallyclearedtodisableotherinterrupts,howeveronlytheMulti- functioninterruptrequestflagwillbealsoautomaticallycleared.AstheI2CTOFflagwillnotbe automaticallycleared,ithastobeclearedbytheapplicationprogram. |
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