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STR730FZ1H7 Datenblatt(PDF) 31 Page - STMicroelectronics |
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STR730FZ1H7 Datenblatt(HTML) 31 Page - STMicroelectronics |
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31 / 40 page ![]() STR73xF Electrical characteristics 31/40 3.8 PLL electrical characteristics VDD = 5V ± 10%, TA = -40 / +105°C, unless otherwise specified. 3.9 RC oscillator electrical characteristics VDD = 5V ± 10%, TA = -40 / +105°C, unless otherwise specified. Table 12. PLL Electrical Characteristics Symbol Parameter Conditions Value Unit Min Typ Max fPLLIN (1) 1. fPLLIN is obtained from fOSC directly or through an optional divider by 2. PLL reference clock FREF_RANGE = ‘0’ FREF_RANGE = ‘1’ 1.5 3.0 3.0 5.0 MHz fPLLOUT PLL output clock MX = ”00” MX = ”01” MX = ”10” MX = ”11” 20 x fPLLIN 12 x fPLLIN 28 x fPLLIN 16 x fPLLIN MHz fMCLK System clock DX = 1..7 fPLLOUT/DX 36 MHz fFREE PLL free running frequency FREF_RANGE = ‘0’, MX0 = ’1’ FREF_RANGE = ‘0’, MX0 = ’0’ FREF_RANGE = ‘1’, MX0 = ’1’ FREF_RANGE = ‘1’, MX0 = ’0’ 120 240 240 480 kHz tLOCK PLL lock time stable oscillator (fPLLIN = 4 MHz), stable VDD 300 µs ∆tPKJIT PLL jitter (pk to pk) fPLLIN = 4 MHz (pulse generator) fPLLIN = 4 MHz (resonator) 1000 500 ps ∆tLTJIT PLL Long term jitter fPLLIN = 4 MHz (pulse generator) 10 ns Table 13. RC oscillator electrical characteristics Symbol Parameter Conditions Value Unit Min Typ Max fRC RC High Frequency TA = 25 oC, CMU_RCCTL=0x8 2.34 MHz RC Low Frequency 29 kHz IDD(RC) RC High Frequency Current 90 µA RC Low Frequency Current 10 µA |
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