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PIC12CE673 датащи(PDF) 104 Page - Microchip Technology |
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PIC12CE673 датащи(HTML) 104 Page - Microchip Technology |
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104 / 130 page ![]() PIC12C67X DS30561C-page 104 1997-2013 Microchip Technology Inc. FIGURE 12-8: TIMER0 CLOCK TIMINGS TABLE 12-5: TIMER0 AND TIMER1 EXTERNAL CLOCK REQUIREMENTS TABLE 12-6: GPIO PULL-UP RESISTOR RANGES Param No. Sym Characteristic Min Typ† Max Units Conditions 40* Tt0H T0CKI High Pulse Width No Prescaler 0.5TCY + 20 — — ns Must also meet parameter 42 With Prescaler 10 — — ns 41* Tt0L T0CKI Low Pulse Width No Prescaler 0.5TCY + 20 — — ns Must also meet parameter 42 With Prescaler 10 — — ns 42* Tt0P T0CKI Period No Prescaler TCY + 40 — — ns With Prescaler Greater of: 20 or TCY + 40 N — — ns N = prescale value (2, 4,..., 256) 48 TCKE2tmr1 Delay from external clock edge to timer increment 2TOSC —7Tos c — * These parameters are characterized but not tested. † Data in "Typ" column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance only and are not tested. VDD (Volts) Temperature ( C) Min Typ Max Units GP0/GP1 2.5 –40 38K 42K 63K 25 42K 48K 63K 85 42K 49K 63K 125 50K 55K 63K 5.5 –40 15K 17K 20K 25 18K 20K 23K 85 19K 22K 25K 125 22K 24K 28K GP3 2.5 –40 285K 346K 417K 25 343K 414K 532K 85 368K 457K 532K 125 431K 504K 593K 5.5 –40 247K 292K 360K 25 288K 341K 437K 85 306K 371K 448K 125 351K 407K 500K * These parameters are characterized but not tested. Note: Refer to Figure 12-4 for load conditions. 41 42 40 GP2/T0CKI TMR0 |
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