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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PIC16F628-20/SS датащи(PDF) 143 Page - Microchip Technology |
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PIC16F628-20/SS датащи(HTML) 143 Page - Microchip Technology |
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143 / 160 page  © 1999 Microchip Technology Inc. Preliminary DS40300B-page 143 PIC16F62X TABLE 17-7: TIMER0 AND TIMER1 EXTERNAL CLOCK REQUIREMENTS FIGURE 17-11: CAPTURE/COMPARE/PWM TIMINGS Param No. Sym Characteristic Min Typ† Max Units Conditions 40* Tt0H T0CKI High Pulse Width No Prescaler 0.5TCY + 20 —— ns With Prescaler 10 — — ns 41* Tt0L T0CKI Low Pulse Width No Prescaler 0.5TCY + 20 — — ns With Prescaler 10 — — ns 42* Tt0P T0CKI Period Greater of: TCY + 40 N — — ns N = prescale value (2, 4, ..., 256) 45* Tt1H T1CKI High Time Synchronous, No Prescaler 0.5TCY + 20 — — ns Synchronous, with Prescaler 16F62X 15 — — ns 16LF62X 25 — — ns Asynchronous 16F62X 30 — — ns 16LF62X 50 — — ns 46* Tt1L T1CKI Low Time Synchronous, No Prescaler 0.5TCY + 20 — — ns Synchronous, with Prescaler 16F62X 15 — — ns 16LF62X 25 — — ns Asynchronous 16F62X 30 — — ns 16LF62X 50 — — ns 47* Tt1P T1CKI input period Synchronous 16F62X Greater of: TCY + 40 N — — ns N = prescale value (1, 2, 4, 8) 16LF62X Greater of: TCY + 40 N —— — Asynchronous 16F62X 60 — — ns 16LF62X 100 — — ns Ft1 Timer1 oscillator input frequency range (oscillator enabled by setting bit T1OSCEN) DC — 200 kHz 48 TCKEZtmr1 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. (Capture Mode) 50 51 52 53 54 RB3/CCP1 (Compare or PWM Mode) RB3/CCP1 |
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