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PIC16LC620-04/SS датащи(PDF) 90 Page - Microchip Technology |
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PIC16LC620-04/SS датащи(HTML) 90 Page - Microchip Technology |
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90 / 108 page ![]() PIC16C62X DS30235G-page 90 Preliminary © 1998 Microchip Technology Inc. FIGURE 12-4: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP TIMER TIMING FIGURE 12-5: BROWN-OUT RESET TIMING TABLE 12-6: 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) 2000 — — ns -40 ° to +85°C 31 Twdt Watchdog Timer Time-out Period (No Prescaler) 7* 18 33* ms VDD = 5.0V, -40 ° to +85°C 32 Tost Oscillation Start-up Timer Period — 1024 TOSC — — TOSC = OSC1 period 33 Tpwrt Power-up Timer Period 28* 72 132* ms VDD = 5.0V, -40 ° to +85°C 34 TIOZ I/O hi-impedance from MCLR low — 2.0 µs 35 TBOR Brown-out Reset Pulse Width 100* — — µs 3.7V ≤ VDD ≤ 4.3V * These parameters are characterized but not tested. † Data in "Typ" column is at 5.0V, 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 VDD BVDD 35 |
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