datasheet (3).pdf - EEWeb

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dsPIC33FJ32MC302/304, dsPIC33FJ64MCX02/X04 AND dsPIC33FJ128MCX02/X04 TABLE 31-32: SPIx MAXIMUM DATA/CLOCK RATE SUMMARY Standard Operating Conditions: 3.0V to 3.6V (unless otherwise stated) AC CHARACTERISTICS Operating temperature -40°C ≤ TA ≤ +85°C for Industrial -40°C ≤ TA ≤ +125°C for Extended Maximum Data Rate Master Transmit Only (Half-Duplex) Master Transmit/Receive (Full-Duplex) Slave Transmit/Receive (Full-Duplex) CKE CKP SMP 15 Mhz Table 31-33 — — 0,1 0,1 0,1 9 Mhz — Table 31-34 — 1 0,1 1 9 Mhz — Table 31-35 — 0 0,1 1 15 Mhz — — Table 31-36 1 0 0 11 Mhz — — Table 31-37 1 1 0 15 Mhz — — Table 31-38 0 1 0 11 Mhz — — Table 31-39 0 0 0 FIGURE 31-14: SPIx MASTER MODE (HALF-DUPLEX, TRANSMIT ONLY CKE = 0) TIMING CHARACTERISTICS SCKx (CKP = 0) SCKx (CKP = 1) SDOx SP35 SP30, SP31 SP10 Note: Refer to Figure 31-1 for load conditions. FIGURE 31-15: SPIx MASTER MODE (HALF-DUPLEX, TRANSMIT ONLY CKE = 1) TIMING CHARACTERISTICS SCKx (CKP = 0) SCKx (CKP = 1) SDOx SP36 Note: Refer to Figure 31-1 for load conditions. DS70291E-page 368 © 2011 Microchip Technology Inc. SP21 SP20 SP20 SP21 MSb Bit 14 - - - - - -1 LSb SP10 SP35 SP30, SP31 SP21 SP20 MSb Bit 14 - - - - - -1 LSb SP30, SP31 SP20 SP21
dsPIC33FJ32MC302/304, dsPIC33FJ64MCX02/X04 AND dsPIC33FJ128MCX02/X04 TABLE 31-33: SPIx MASTER MODE (HALF-DUPLEX, TRANSMIT ONLY) TIMING REQUIREMENTS Standard Operating Conditions: 3.0V to 3.6V AC CHARACTERISTICS (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 TscP Maximum SCK Frequency — — 15 MHz See Note 3 SP20 TscF SCKx Output Fall Time — — — ns See parameter DO32 and Note 4 SP21 TscR SCKx Output Rise Time — — — ns See parameter DO31 and Note 4 SP30 TdoF SDOx Data Output Fall Time — — — ns See parameter DO32 and Note 4 SP31 TdoR SDOx Data Output Rise Time — — — ns See parameter DO31 and Note 4 SP35 TscH2doV, TscL2doV SP36 TdiV2scH, TdiV2scL SDOx Data Output Valid after SCKx Edge SDOx Data Output Setup to First SCKx Edge — 6 20 ns — 30 — — ns — Note 1: These parameters are characterized, but are not tested in manufacturing. 2: Data in “Typ” column is at 3.3V, 25°C unless otherwise stated. 3: The minimum clock period for SCKx is 66.7 ns. Therefore, the clock generated in Master mode must not violate this specification. 4: Assumes 50 pF load on all SPIx pins. © 2011 Microchip Technology Inc. DS70291E-page 369
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