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MCP19116-E/MJ датащи(PDF) 35 Page - Microchip Technology |
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MCP19116-E/MJ датащи(HTML) 35 Page - Microchip Technology |
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35 / 246 page ![]() 2015-2016 Microchip Technology Inc. DS20005479B-page 35 MCP19116/7 FIGURE 5-6: TIMER0 AND TIMER1 EXTERNAL CLOCK TIMING TABLE 5-3: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP TIMER REQUIREMENTS Param. No. Sym. Characteristic Min. Typ.† Max. Units Conditions 30 TMCL MCLR Pulse Width (low) 2 — — µs VDD =5V -40°C to +85°C 31 TWDT Watchdog Timer Time-Out Period (No Prescaler) 718 33 ms VDD =5V -40°C to +85°C 32 TOST Oscillation Start-Up Timer Period — 1024TOSC —— TOSC = OSC1 period 33* TPWRT Power-up Timer Period (4 x TWDT) 28 72 132 ms VDD =5V -40°C to +85°C 34 TIOZ I/O high impedance from MCLR Low or Watchdog Timer Reset —— 2.0 µs VBOR Brown-out Reset voltage — 2.13 — V BVHY Brown-out Hysteresis — 100 — mV 35 TBCR Brown-out Reset pulse width 100* — — µs VDD VBOR (D005) 48 TCKEZ-TMR Delay from clock edge to timer increment 2TOSC —7TOSC * These parameters are characterized but not tested. † Data in “Typ.” column is at VIN = 12V (VDD =5V, AVDD = 4V), 25°C unless otherwise stated. These param- eters are for design guidance only and are not tested. 41 42 40 T0CKI TMR0 48 |
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