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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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DSPIC30F3012AT20E/ML датащи(PDF) 170 Page - Microchip Technology |
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DSPIC30F3012AT20E/ML датащи(HTML) 170 Page - Microchip Technology |
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170 / 205 page  dsPIC30F2011/2012/3012/3013 DS70139E-page 168 © 2006 Microchip Technology Inc. FIGURE 20-12: SPI MODULE MASTER MODE (CKE = 0) TIMING CHARACTERISTICS TABLE 20-29: SPI MASTER MODE (CKE = 0) TIMING REQUIREMENTS AC CHARACTERISTICS Standard Operating Conditions: 2.5V to 5.5V (unless otherwise stated) Operating temperature -40°C ≤ TA ≤ +85°C for Industrial -40°C ≤ TA ≤ +125°C for Extended Param No. Symbol Characteristic(1) Min Typ(2) Max Units Conditions SP10 TscL SCKX Output Low Time(3) TCY/2 — — ns — SP11 TscH SCKX Output High Time(3) TCY/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 — — 30 ns — SP40 TdiV2scH, TdiV2scL Setup Time of SDIX Data Input to SCKX Edge 20 — — ns — SP41 TscH2diL, TscL2diL Hold Time of SDIX Data Input to SCKX Edge 20 — — ns — Note 1: These parameters are characterized but not tested in manufacturing. 2: Data in “Typ” column is at 5V, 25°C unless otherwise stated. Parameters are for design guidance only and are not tested. 3: The minimum clock period for SCK is 100 ns. Therefore, the clock generated in Master mode must not violate this specification. 4: Assumes 50 pF load on all SPI 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 20-3 for load conditions. |
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