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I2CSTAT 数据表(PDF) 176 Page - Microchip Technology |
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I2CSTAT 数据表(HTML) 176 Page - Microchip Technology |
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176 / 210 page  dsPIC30F2011/2012/3012/3013 DS70139G-page 176 © 2010 Microchip Technology Inc. TABLE 20-32: SPI MODULE SLAVE MODE (CKE = 1) 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 SP70 TscL SCKX Input Low Time 30 — — ns — SP71 TscH SCKX Input High Time 30 — — ns — SP72 TscF SCKX Input Fall Time(3) —10 25 ns — SP73 TscR SCKX Input Rise Time(3) —10 25 ns — SP30 TdoF SDOX Data Output Fall Time(3) — — — ns See parameter DO32 SP31 TdoR SDOX Data Output Rise Time(3) — — — 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 — SP50 TssL2scH, TssL2scL SSX ↓to SCKX↓or SCKX↑ input 120 — — ns — SP51 TssH2doZ SS ↑ to SDOX Output high impedance(4) 10 — 50 ns — SP52 TscH2ssH TscL2ssH SSX ↑ after SCKX Edge 1.5 TCY + 40 — — ns — SP60 TssL2doV SDOX Data Output Valid after SCKX Edge — — 50 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. |
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