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PIC16C71-04/P датащи(PDF) 120 Page - Microchip Technology |
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PIC16C71-04/P датащи(HTML) 120 Page - Microchip Technology |
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120 / 176 page ![]() PIC16C71X DS30272A-page 120 © 1997 Microchip Technology Inc. Applicable Devices 710 71 711 715 FIGURE 13-4: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, AND POWER-UP TIMER TIMING FIGURE 13-5: BROWN-OUT RESET TIMING TABLE 13-4: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER, AND BROWN-OUT RESET REQUIREMENTS Parameter No. Sym Characteristic Min Typ† Max Units Conditions 30 TmcL MCLR Pulse Width (low) 2 — — µs VDD = 5V, -40˚C to +125˚C 31* Twdt Watchdog Timer Time-out Period (No Prescaler) 7 18 33 ms VDD = 5V, -40˚C to +125˚C 32 Tost Oscillation Start-up Timer Period — 1024TOSC — — TOSC = OSC1 period 33* Tpwrt Power up Timer Period 28 72 132 ms VDD = 5V, -40˚C to +125˚C 34 TIOZ I/O Hi-impedance from MCLR Low or Watchdog Timer Reset — — 2.1 µs 35 TBOR Brown-out Reset pulse width 100 — — µs VDD ≤ BVDD (D005) 36 TPER Parity Error Reset — TBD — µs * 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 Timeout OSC Timeout Internal RESET Watchdog Timer RESET 33 32 30 31 34 I/O Pins 34 Parity Error Reset 36 VDD BVDD 35 |
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