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PIC12C509AT-04/IP датащи(PDF) 73 Page - Microchip Technology |
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PIC12C509AT-04/IP датащи(HTML) 73 Page - Microchip Technology |
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73 / 113 page ![]() © 1999 Microchip Technology Inc. DS40139E-page 73 PIC12C5XX TABLE 11-5: RESET, WATCHDOG TIMER, AND DEVICE RESET TIMER - PIC12C508/C509 TABLE 11-6: DRT (DEVICE RESET TIMER PERIOD - PIC12C508/C509) AC Characteristics Standard Operating Conditions (unless otherwise specified) Operating Temperature 0 °C ≤ TA ≤ +70°C (commercial) –40 °C ≤ TA ≤ +85°C (industrial) –40 °C ≤ TA ≤ +125°C (extended) Operating Voltage VDD range is described in Section 11.1 Parameter No. Sym Characteristic Min Typ(1) Max Units Conditions 30 TmcL MCLR Pulse Width (low) 2000* — — ns VDD = 5 V 31 Twdt Watchdog Timer Time-out Period (No Prescaler) 9* 18* 30* ms VDD = 5 V (Commercial) 32 TDRT Device Reset Timer Period(2) 9* 18* 30* ms VDD = 5 V (Commercial) 34 TioZ I/O Hi-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. Note 2: See Table 11-6. Oscillator Configuration POR Reset Subsequent Resets IntRC & ExtRC 18 ms (typical) 300 µs (typical) XT & LP 18 ms (typical) 18 ms (typical) |
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