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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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STM32G0C1NET6X Scheda tecnica(PDF) 84 Page - STMicroelectronics |
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STM32G0C1NET6X Scheda tecnica(HTML) 84 Page - STMicroelectronics |
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84 / 159 page  Electrical characteristics STM32G0C1xC/xE 84/159 DS13564 Rev 4 Figure 19. Low-speed external clock source AC timing diagram High-speed external clock generated from a crystal/ceramic resonator The high-speed external (HSE) clock can be supplied with a 4 to 48 MHz crystal/ceramic resonator oscillator. All the information given in this paragraph are based on design simulation results obtained with typical external components specified in Table 42. In the application, the resonator and the load capacitors have to be placed as close as possible to the oscillator pins in order to minimize output distortion and startup stabilization time. Refer to the crystal resonator manufacturer for more details on the resonator characteristics (frequency, package, accuracy). MS19215V2 VLSEH tf(LSE) 90% 10% TLSE t tr(LSE) VLSEL tw(LSEH) tw(LSEL) Table 42. HSE oscillator characteristics(1) Symbol Parameter Conditions(2) Min Typ Max Unit fOSC_IN Oscillator frequency - 4 8 48 MHz RF Feedback resistor - - 200 - kΩ IDD(HSE) HSE current consumption During startup(3) -- 5.5 mA VDD = 3 V, Rm = 30 Ω, CL = 10 pF@8 MHz -0.44 - VDD = 3 V, Rm = 45 Ω, CL = 10 pF@8 MHz -0.45 - VDD = 3 V, Rm = 30 Ω, CL = 5 pF@48 MHz -0.68 - VDD = 3 V, Rm = 30 Ω, CL = 10 pF@48 MHz -0.94 - VDD = 3 V, Rm = 30 Ω, CL = 20 pF@48 MHz -1.77 - Gm Maximum critical crystal transconductance Startup - - 1.5 mA/V tSU(HSE)(4) Startup time VDD is stabilized - 2 - ms 1. Guaranteed by design. 2. Resonator characteristics given by the crystal/ceramic resonator manufacturer. |
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