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Motor de Búsqueda de Datasheet de Componentes Electrónicos |
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Motor de Búsqueda de Datasheet de Componentes Electrónicos |
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SPC560P50L3 Datasheet(PDF) 76 Page - STMicroelectronics |
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SPC560P50L3 Datasheet(HTML) 76 Page - STMicroelectronics |
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76 / 112 page  Electrical characteristics SPC560P44Lx, SPC560P50Lx 76/112 Doc ID 14723 Rev 9 3.12 FMPLL electrical characteristics Table 29. Main oscillator output electrical characteristics (3.3 V, NVUSRO[PAD3V5V] = 1) Symbol C Parameter Value Unit Min Max fOSC SR — Oscillator frequency 4 40 MHz gm — P Transconductance 4 20 mA/V VOSC — T Oscillation amplitude on XTAL pin 1 — V tOSCSU — T Start-up time(1),(2) 1. The start-up time is dependent upon crystal characteristics, board leakage, etc., high ESR and excessive capacitive loads can cause long start-up time. 2. Value captured when amplitude reaches 90% of XTAL 8— ms Table 30. Input clock characteristics Symbol Parameter Value Unit Min Typ Max fOSC SR Oscillator frequency 4 — 40 MHz fCLK SR Frequency in bypass — — 64 MHz trCLK SR Rise/fall time in bypass — — 1 ns tDC SR Duty cycle 47.5 50 52.5 % Table 31. FMPLL electrical characteristics Symbol C Parameter Conditions(1) Value Unit Min Max fref_crystal fref_ext D PLL reference frequency range(2) Crystal reference 4 40 MHz fPLLIN D Phase detector input frequency range (after pre-divider) —4 16 MHz fFMPLLOUT D Clock frequency range in normal mode — 16 120 MHz fFREE P Free-running frequency Measured using clock division — typically /16 20 150 MHz tCYC D System clock period — — 1 / fSYS ns fLORL fLORH D Loss of reference frequency window(3) Lower limit 1.6 3.7 MHz Upper limit 24 56 fSCM D Self-clocked mode frequency(4),(5) —20 150 MHz |
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