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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PIC32MX795F512LT-80I/PF датащи(PDF) 200 Page - Microchip Technology |
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PIC32MX795F512LT-80I/PF датащи(HTML) 200 Page - Microchip Technology |
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200 / 256 page  PIC32MX5XX/6XX/7XX DS61156G-page 200 © 2009-2011 Microchip Technology Inc. FIGURE 31-6: TIMER1, 2, 3, 4, 5 EXTERNAL CLOCK TIMING CHARACTERISTICS Note: Refer to Figure 31-1 for load conditions. Tx11 Tx15 Tx10 Tx20 TMRx OS60 TxCK TABLE 31-23: TIMER1 EXTERNAL CLOCK TIMING REQUIREMENTS(1) AC CHARACTERISTICS Standard Operating Conditions: 2.3V to 3.6V (unless otherwise stated) Operating temperature -40°C ≤TA ≤+85°C for Industrial -40°C ≤TA ≤+105°C for V-Temp Param. No. Symbol Characteristics(2) Min. Typical Max. Units Conditions TA10 TTXHTxCK High Time Synchronous, with prescaler [(12.5 ns or 1 TPB)/N] + 25 ns — — ns Must also meet parameter TA15 Asynchronous, with prescaler 10 — — ns — TA11 TTXLTxCK Low Time Synchronous, with prescaler [(12.5 ns or 1 TPB)/N] + 25 ns — — ns Must also meet parameter TA15 Asynchronous, with prescaler 10 — — ns — TA15 TTXPTxCK Input Period Synchronous, with prescaler [(Greater of 25 ns or 2 TPB)/N] + 30 ns —— ns VDD > 2.7V [(Greater of 25 ns or 2 TPB)/N] + 50 ns —— ns VDD < 2.7V Asynchronous, with prescaler 20 — — ns VDD > 2.7V (Note 3) 50 — — ns VDD < 2.7V (Note 3) OS60 FT1 SOSC1/T1CK Oscillator Input Frequency Range (oscillator enabled by setting TCS bit (T1CON<1>)) 32 — 100 kHz — TA20 TCKEXTMRL Delay from External TxCK Clock Edge to Timer Increment —1 TPB — Note 1: Timer1 is a Type A. 2: This parameter is characterized, but not tested in manufacturing. 3: N = Prescale Value (1, 8, 64, 256). |
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