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HT95R35 Datasheet(PDF) 6 Page - Holtek Semiconductor Inc |
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HT95R35 Datasheet(HTML) 6 Page - Holtek Semiconductor Inc |
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6 / 73 page  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 DTMF Generator (Operating Temperature: -20°Cto85°C fDTMFO Single Tone Output Frequency 2.5V Microcontroller normal mode; DTMF generator single tone test mode 690 ¾ 704 Hz 762 ¾ 778 843 ¾ 861 932 ¾ 950 1197 ¾ 1221 1323 ¾ 1349 1462 ¾ 1492 1617 ¾ 1649 VTAC DTMF Output AC Level ¾ Row group, RL=5kW 120 155 180 mVrms RL DTMF Output Load ¾ T.H.D. £-23dB 5 ¾¾ k W ACR Column Pre-emphasis ¾ Row group= 0dB 1 2 3 dB THD Tone Signal Distortion ¾ RL=5kW¾ -30 -23 dB HT95R35 Rev. 1.00 6 October 7, 2009 |
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