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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) 203 Page - Microchip Technology |
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PIC32MX795F512LT-80I/PF датащи(HTML) 203 Page - Microchip Technology |
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203 / 256 page  © 2009-2011 Microchip Technology Inc. DS61156G-page 203 PIC32MX5XX/6XX/7XX FIGURE 31-10: SPIx MODULE MASTER MODE (CKE = 0) TIMING CHARACTERISTICS TABLE 31-28: SPIx MASTER MODE (CKE = 0) TIMING REQUIREMENTS 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(1) Min. Typical(2 ) Max. Units Conditions SP10 TSCL SCKx Output Low Time(3) TSCK/2 — — ns — SP11 TSCH SCKx Output High Time(3) TSCK/2 —— ns — SP20 TSCF SCKx Output Fall Time(4) —— — ns See parameter DO32 SP21 TSCR SCKx Output Rise Time(4) — —— ns See parameter DO31 SP30 TDOF SDOx Data Output Fall Time(4) — —— ns See parameter DO32 SP31 TDOR SDOx Data Output Rise Time(4) — —— ns See parameter DO31 SP35 TSCH2DOV, TSCL2DOV SDOx Data Output Valid after SCKx Edge —— 15 ns VDD > 2.7V —— 20 ns VDD < 2.7V SP40 TDIV2SCH, TDIV2SCL Setup Time of SDIx Data Input to SCKx Edge 10 —— ns — SP41 TSCH2DIL, TSCL2DIL Hold Time of SDIx Data Input to SCKx Edge 10 —— ns — Note 1: These parameters are characterized, but not tested in manufacturing. 2: Data in “Typical” column is at 3.3V, 25°C unless otherwise stated. Parameters are for design guidance only and are not tested. 3: The minimum clock period for SCKx is 40 ns. Therefore, the clock generated in Master mode must not violate this specification. 4: Assumes 50 pF load on all SPIx pins. SCKx (CKP = 0) SCKx (CKP = 1) SDOx SDIx SP11 SP10 SP40 SP41 SP21 SP20 SP35 SP20 SP21 MSb LSb Bit 14 - - - - - -1 MSb In LSb In Bit 14 - - - -1 SP30 SP31 Note: Refer to Figure 31-1 for load conditions. |
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