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HT82A620R Datasheet(PDF) 7 Page - Holtek Semiconductor Inc |
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HT82A620R Datasheet(HTML) 7 Page - Holtek Semiconductor Inc |
7 / 72 page A.C.Characteristics Ta=25 °C Symbol Parameter TestConditions Min. Typ. Max. Unit VDD Conditions fSYS SystemClock ¾ 2.2V~5.5V ¾ 6000 ¾ kHz ¾ 4.0V~5.5V ¾ 12000 ¾ kHz fTIMER TimerI/PFrequency (TMR) ¾ fSYS=6MHz 0 ¾ 6000 kHz fSYS=12MHz 0 ¾ 12000 kHz tWDTOSC WatchdogOscillatorPeriod 5V ¾ ¾ 31 ¾ ms tRES ExternalResetLowPulseWidth ¾ ¾ 1 ¾ ¾ ms tSST SystemStart-upTimerPeriod ¾ Wake-upfromHALT ¾ 1024 ¾ tSYS tOPD OptionLoadTimerPeriod 5V ¾ 33 70 140 ms tINT InterruptPulseWidth ¾ ¾ 1 ¾ ¾ ms tAD* A/DClockPeriod ¾ ¾ 1 ¾ ¾ ms tADC* A/DConversionTime ¾ ¾ ¾ 16 ¾ tAD tADCS* A/DSampleTime ¾ ¾ ¾ 8 ¾ tAD tCS_SK SPI SCS to SCK Time ¾ ¾ 50 ¾ ¾ ns tSPICK SPI ClockTime ¾ ¾ 400 ¾ ¾ ns Note: tSYS=1/fSYS ²*² forHT82A620R HT82A520R/HT82A620R Rev.1.30 7 January14,2011 |
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