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HT82A520R Datasheet(PDF) 7 Page - Holtek Semiconductor Inc |
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HT82A520R Datasheet(HTML) 7 Page - Holtek Semiconductor Inc |
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7 / 72 page  A.C. Characteristics Ta=25 °C Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions fSYS System Clock ¾ 2.2V~5.5V ¾ 6000 ¾ kHz ¾ 4.0V~5.5V ¾ 12000 ¾ kHz fTIMER Timer I/P Frequency (TMR) ¾ fSYS=6MHz 0 ¾ 6000 kHz fSYS=12MHz 0 ¾ 12000 kHz tWDTOSC Watchdog Oscillator Period 5V ¾¾ 31 ¾ms tRES External Reset Low Pulse Width ¾¾ 1 ¾¾ ms tSST System Start-up Timer Period ¾ Wake-up from HALT ¾ 1024 ¾ tSYS tOPD Option Load Timer Period 5V ¾ 33 70 140 ms tINT Interrupt Pulse Width ¾¾ 1 ¾¾ ms tAD* A/D Clock Period ¾¾ 1 ¾¾ ms tADC* A/D Conversion Time ¾¾ ¾ 16 ¾ tAD tADCS* A/D Sample Time ¾¾ ¾ 8 ¾ tAD tCS_SK SPI SCS to SCK Time ¾¾ 50 ¾¾ ns tSPICK SPI Clock Time ¾¾ 400 ¾¾ ns Note: tSYS=1/fSYS ²*² for HT82A620R HT82A520R/HT82A620R Rev.1.20 7 June 23, 2010 |
Similar Part No. - HT82A520R_10 |
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Similar Description - HT82A520R_10 |
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