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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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HT69F360 датащи(PDF) 162 Page - Holtek Semiconductor Inc |
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HT69F360 датащи(HTML) 162 Page - Holtek Semiconductor Inc |
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162 / 235 page  Rev. 1.30 1�� �ove��e� 1�� �01� Rev. 1.30 1�3 �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 I C ti me - out c oun te r st ar t I C ti me - out c oun te r re se t on SC L negat iv e tr ans it io n 10 1 00 1 0 0 1 0 01010 1 1 SC L St ar t SD A SR W AC K St op SC L SD A Sl av e Ad dr es s 2 2 I2C Time-out WhenanI2Ctime-outcounteroverflowoccurs,thecounterwillstopandtheSIMTOENbitwill beclearedtozeroandtheSIMTOFbitwillbesethightoindicatethatatime-outconditionhas occurred.Thetime-outconditionwillalsogenerateaninterruptwhichusestheI2Cinterruptvector. WhenanI2Ctime-outoccurs,theI2Cinternalcircuitrywillberesetandtheregisterswillbereset intothefollowingcondition: Register After I2C Time-out SIMD� SIMA� SIMC0 �o change SIMC1 Reset to POR condition I2C Registers after Time-out TheSIMTOFflagcanbeclearedbytheapplicationprogram.Thereare64time-outperiodselections whichcanbeselectedusingtheSIMTOSbitsintheSIMTOCregister.Thetime-outdurationis calculatedbytheformula:((1~64)×(32/fSUB)).Thisgivesatime-outperiodwhichrangesfrom about1msto64ms. SIMTOC Register Bit 7 6 5 4 3 2 1 0 �a�e SIMTOE� SIMTOF SIMTOS5 SIMTOS4 SIMTOS3 SIMTOS� SIMTOS1 SIMTOS0 R/W R/W R/W R/W R/W R/W R/W R/W R/W POR 0 0 0 0 0 0 0 0 Bit7 SIMTOEN:I2CTime-outControl 0:Disable 1:Enable Bit6 SIMTOF:I2CTime-outflag 0:Notime-outoccurred 1:Time-outoccurred Bit5~0 SIMTOS5~SIMTOS0:I2CTime-outTimeSelection I2CTime-outclocksourceisfSUB/32 I2CTime-outtimeisgivenby:(SIMTOS[5:0]+1)×(32/fSUB) |
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