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PIC12F519-E/MS 数据表(PDF) 73 Page - Microchip Technology |
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PIC12F519-E/MS 数据表(HTML) 73 Page - Microchip Technology |
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73 / 96 page ![]() © 2008 Microchip Technology Inc. DS41319B-page 71 PIC12F519 TABLE 11-8: RESET, WATCHDOG TIMER AND DEVICE RESET TIMER – PIC12F519 TABLE 11-9: DRT (DEVICE RESET TIMER PERIOD) FIGURE 11-7: TIMER0 CLOCK TIMINGS AC CHARACTERISTICS Standard Operating Conditions (unless otherwise specified) Operating Temperature -40 °C ≤ TA ≤ +85°C (industrial) -40 °C ≤ TA ≤ +125°C (extended) Operating Voltage VDD range is described in Section TABLE 11-3: “DC CHARACTERISTICS: PIC12F519 (Industrial, Extended)” Param No. Sym. Characteristic Min. Typ(1) Max. Units Conditions 30 TMCLMCLR Pulse Width (low) 2000* — — ns VDD = 5.0V 31 TWDT Watchdog Timer Time-out Period (no prescaler) 9* 9* 18* 18* 30* 40* ms ms VDD = 5.0V (Industrial) VDD = 5.0V (Extended) 32 TDRT Device Reset Timer Period Standard 9* 9* 18* 18* 30* 40* ms ms VDD = 5.0V (Industrial) VDD = 5.0V (Extended) Short 0.5* 0.5* 1.125* 1.125* 2* 2.5* ms ms VDD = 5.0V (Industrial) VDD = 5.0V (Extended) 34 TIOZ I/O High-impedance from MCLR low — — 2000* ns * These parameters are characterized but not tested. Note 1: Data in the Typical (“Typ”) column is at 5V, 25 °C unless otherwise stated. These parameters are for design guidance only and are not tested. Oscillator Configuration POR Reset Subsequent Resets IntRC and ExtRC 1 ms (typical) 10 μs (typical) XT and LP 18 ms (typical) 18 ms (typical) T0CKI 40 41 42 |
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