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STM32G473MB 데이터시트(PDF) 116 Page - STMicroelectronics |
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STM32G473MB 데이터시트(HTML) 116 Page - STMicroelectronics |
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116 / 229 page ![]() Electrical characteristics STM32G473xB STM32G473xC STM32G473xE 116/229 DS12712 Rev 5 Note: For information on selecting the crystal, refer to the application note AN2867 “Oscillator design guide for ST microcontrollers” available from the ST website www.st.com. Figure 22. Typical application with an 8 MHz crystal 1. REXT value depends on the crystal characteristics. Low-speed external clock generated from a crystal resonator The low-speed external (LSE) clock can be supplied with a 32.768 kHz crystal 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). MS19876V1 (1) OSC_IN OSC_OUT RF Bias controlled gain fHSE REXT 8 MHz resonator Resonator with integrated capacitors CL1 CL2 |
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