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PIC16F506T-E/SLSQTP 数据表(PDF) 97 Page - Microchip Technology |
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PIC16F506T-E/SLSQTP 数据表(HTML) 97 Page - Microchip Technology |
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97 / 116 page ![]() © 2007 Microchip Technology Inc. Preliminary DS41268C-page 95 PIC12F510/16F506 TABLE 13-8: RESET, WATCHDOG TIMER AND DEVICE RESET TIMER FIGURE 13-9: TIMER0 CLOCK TIMINGS TABLE 13-9: TIMER0 CLOCK REQUIREMENTS AC CHARACTERISTICS Standard Operating Conditions (unless otherwise specified) Operating Temperature -40 °C ≤ TA ≤ +85°C (industrial) -40 °C ≤ TA ≤ +125°C (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 (Commercial) 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. AC CHARACTERISTICS Standard Operating Conditions (unless otherwise specified) Operating Temperature -40 °C ≤ TA ≤ +85°C (industrial) -40 °C ≤ TA ≤ +125°C (extended) Parm No. Sym Characteristic Min Typ(1) Max Units Conditions 40 Tt0H T0CKI High Pulse Width No Prescaler 0.5 TCY + 20* — — ns With Prescaler 10* — — ns 41 Tt0L T0CKI Low Pulse Width No Prescaler 0.5 TCY + 20* — — ns With Prescaler 10* — — ns 42 Tt0P T0CKI Period 20 or TCY + 40* N — — ns Whichever is greater. N = Prescale Value (1, 2, 4,..., 256) * 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. T0CKI 40 41 42 |
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