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PIC16F84A Datasheet(PDF) 82 Page - Microchip Technology |
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PIC16F84A Datasheet(HTML) 82 Page - Microchip Technology |
82 / 124 page ![]() PIC16F8X PIC16F83/84 DS30430C-page 82 © 1998 Microchip Technology Inc. FIGURE 10-5: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP TIMER TIMING TABLE 10-5 RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP TIMER REQUIREMENTS Parameter No. Sym Characteristic Min Typ† Max Units Conditions 30 TmcL MCLR Pulse Width (low) 1000 * — — ns 2.0V ≤ VDD ≤ 6.0V 31 Twdt Watchdog Timer Time-out Period (No Prescaler) 7 * 18 33 * ms VDD = 5.0V 32 Tost Oscillation Start-up Timer Period 1024TOSC ms TOSC = OSC1 period 33 Tpwrt Power-up Timer Period 28 * 72 132 * ms VDD = 5.0V 34 TIOZ I/O Hi-impedance from MCLR Low or reset — — 100 * ns * These parameters are characterized but not tested. † Data in "Typ" column is at 5V, 25 °C unless otherwise stated. These parameters are for design guidance only and are not tested. VDD MCLR Internal POR PWRT Time-out OSC Time-out Internal RESET Watchdog Timer RESET 33 32 30 31 34 I/O Pins 34 |
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