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数据搜索系统，热门电子元器件搜索 |
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HT66F4530 数据表(PDF) 24 Page - Holtek Semiconductor Inc |
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HT66F4530 数据表(HTML) 24 Page - Holtek Semiconductor Inc |
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24 / 224 page  Rev. 1.00 �4 De�e��e� �1� �01� Rev. 1.00 �5 De�e��e� �1� �01� HT66F4530/HT66F4540/HT66F4550 A/D Flash MCU with Dual Operational Amplifiers HT66F4530/HT66F4540/HT66F4550 A/D Flash MCU with Dual Operational Amplifiers Low Speed Internal Oscillator Characteristics – LIRC Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Temp. fLIRC LIRC F�equen�y �.�V~5.5V Ta=�5°C -5% 3� +5% kHz Ta= -40°C~85°C -10% 3� +10% tSTART LIRC Sta�t Up Ti�e 3V Ta= -40°C~85°C — — 500 μs 5V — — 500 Duty Cy�le Duty Cy�le — Ta= -40°C~85°C 10 — 90 % Note:TrimfrequencyatVDD=3V,andonlyverifytheseparametersatVDD=3V. Operating Frequency Characteristic Curves System Operating Frequency Operating Voltage 4MHz 8MHz 1�MHz �.�V �.7V 5.5V System Start Up Time Characteristics Ta= -40°C~85°C Symbol Parameter Test Conditions Min. Typ. Max. Unit tSST Syste� Sta�t-up Ti�e Wake-up f�o� �ondition whe�e fSYS is off fSYS=fH ~ fH/�4� fH=fHXT — 1�8 — tHXT fSYS=fH ~ fH/�4� fH=fHIRC — 1� — tHIRC fSYS=fSUB=fLXT — 10�4 — tLXT fSYS=fSUB=fLIRC — � — tLIRC Syste� Sta�t-up Ti�e Wake-up f�o� �ondition whe�e fSYS is on fSYS=fH ~ fH/�4� fH=fHXT o� fHIRC — � — tH fSYS=fSUB=fLXT o� fLIRC — � — tSUB Syste� Speed Swit�h Ti�e FAST to SLOW Mode o� SLOW to FAST Mode fHXT swit�hes f�o� off → on — 10�4 — tHXT fHIRC swit�hes f�o� off → on — 1� — tHIRC fLXT swit�hes f�o� off → on — 10�4 — tLXT tRSTD Syste� Reset Delay Ti�e Reset sou��e f�o� Powe�-on �eset o� LVR ha�dwa�e �eset RRPOR=5V/�s 4� 48 54 �s Syste� Reset Delay Ti�e LVRC/WDTC/RSTC softwa�e �eset — Syste� Reset Delay Ti�e Reset source from WDT overflow or RES pin �eset — 14 1� 18 �s tSRESET Mini�u� Softwa�e Reset Width to Reset — 45 90 1�3 μs Notes:FortheSystemStart-uptimevalues,whetherfSYSisonoroffdependsuponthemodetypeandthechosen fSYSsystemoscillator.DetailsareprovidedintheSystemOperatingModessection. |
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