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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MPC5675K датащи(PDF) 79 Page - Freescale Semiconductor, Inc |
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MPC5675K датащи(HTML) 79 Page - Freescale Semiconductor, Inc |
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79 / 140 page  Electrical characteristics MPC5675K Microcontroller Data Sheet, Rev. 4 Preliminary—Subject to Change Without Notice Freescale Semiconductor 79 3.11 Main oscillator electrical characteristics The MPC5675K provides an oscillator/resonator driver. × 3.12 FMPLL electrical characteristics 2TS D Minimum sampling period — 4 — µs Table 21. Main oscillator electrical characteristics No. Symbol Parameter Conditions1 NOTES: 1 V DD = 3.0 V to 3.6 V, TJ = –40 to 150 °C, unless otherwise specified. Value Unit Min Typ Max 1FXOSCHS SR Oscillator frequency — 4.0 — 40.0 MHz 2TXOSCHSSU CC Oscillator start-up time fOSC = 4 MHz to 40 MHz —TBD TBD µs 3VIH SR Input high level CMOS Schmitt Trigger Oscillator bypass mode 0.65 × VDD —VDD +0.4 V 4VIL SR Input low level CMOS Schmitt Trigger Oscillator bypass mode –0.4 — 0.35 × VDD V Table 22. FMPLL electrical characteristics Symbol Parameter Conditions Min Typ Max Unit fREF_CRYSTAL fREF_EXT D FMPLL reference frequency range1 Crystal reference TBD — TBD MHz fPLL_IN D Phase detector input frequency range (after pre-divider) — TBD — TBD MHz fFMPLLOUT D Clock frequency range in normal mode See Chapter 30, “Frequency-Modulated Phase-Locked Loop (FMPLL),” in the MPC5675K Reference Manual (MPC5675KRM) for more details on PLL configuration. 16 — 256 MHz fFREE P Free running frequency Measured using clock division (typically 16) TBD — TBD MHz fsys D On-chip FMPLL frequency2 — TBD — TBD MHz tCYC D System clock period — — — 1 / fsys ns fLORL fLORH D Loss of reference frequency window2 Lower limit TBD — TBD MHz Upper limit TBD — TBD fSCM D Self-clocked mode frequency3,4 — TBD — TBD MHz Table 20. Temperature sensor electrical characteristics (continued) Symbol Parameter Conditions Min Max Unit |
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