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HT95R45 Datasheet(PDF) 6 Page - Holtek Semiconductor Inc |
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HT95R45 Datasheet(HTML) 6 Page - Holtek Semiconductor Inc |
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6 / 76 page  Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions Low-voltage Reset VLVR1 Low Voltage Reset 1 ¾ Configuration option= 4.2V 3.98 4.2 4.42 V VLVR2 Low Voltage Reset 2 ¾ Configuration option= 3.15V 2.98 3.15 3.32 V VLVR3 Low Voltage Reset 3 ¾ Configuration option= 2.1V 1.98 2.1 2.22 V A.C. Characteristics Ta=25 °C Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions General fSYS1 System Clock 1 ¾ Normal mode 32768Hz crystal oscillator ¾ 3.5795 ¾ MHz Normal Mode, X2 PLL ¾ 7.16 ¾ MHz Normal Mode, X3 PLL ¾ 10.74 ¾ MHz Normal Mode, X4 PLL ¾ 14.32 ¾ MHz fSYS2 System Clock 2 ¾ Green mode 32768Hz crystal oscillator ¾ 32 ¾ kHz tSST System Start-up Timer Period ¾ Power-up, Reset or wake-up from HALT ¾ 1024 ¾ tSYS tLVR Low Voltage Width to Reset ¾¾ ¾ 1 ¾ ms tWAKE Wake-up Time for 32768Hz Crystal OSC 3V 32kHz oscillator OFF ® ON ¾¾ 200 ms tFUP Settling Time for 32768Hz to 3.58MHz PLL (Frequency Up Conversion) 3V 32kHz oscillator is ON; 3.58MHz oscillator OFF ® ON ¾¾ 20 ms tS2G Time from Sleep Mode to Green Mode ¾ Wake-up from Sleep Mode ¾ 0 ¾ ms MCU tWDTOSC Watchdog Oscillator Period 3V ¾ 45 90 180 ms 5V ¾ 32 65 130 tRES External Reset Low Pulse Width ¾¾ 1 ¾¾ ms tINT Interrupt Pulse Width ¾¾ 1 ¾¾ ms HT95R45 Rev. 1.00 6 March 12, 2010 |
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Similar Description - HT95R45 |
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