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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM8S103F2 датащи(PDF) 66 Page - STMicroelectronics |
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STM8S103F2 датащи(HTML) 66 Page - STMicroelectronics |
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66 / 117 page  (1) Data based on characterization results, not tested in production. Figure 18: HSE external clocksource V HSEH V HSEL External clock source OSCIN fHSE STM8 HSE crystal/ceramic resonator oscillator The HSE clock can be supplied with a 1 to 16 MHz crystal/ceramic resonator oscillator. All the information given in this paragraph is based on characterization results with specified typical external components. 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 start-up stabilization time. Refer to the crystal resonator manufacturer for more details (frequency, package, accuracy...). Table 33: HSE oscillator characteristics Unit Max Typ Min Conditions Parameter Symbol MHz 16 1 External high speed oscillator frequency fHSE kΩ 220 Feedback resistor RF pF 20 Recommended load capacitance (2) C (1) mA 6 (startup) C = 20 pF, HSE oscillator power consumption IDD(HSE) 1.6 (stabilized) (3) fOSC = 16 MHz 6 (startup) C = 10 pF, 1.2 (stabilized) (3) fOSC =16 MHz mA/V 5 Oscillator transconductance gm ms 1 VDD is stabilized Startup time tSU(HSE) (4) DocID15441 Rev 9 66/117 STM8S103K3 STM8S103F3 STM8S103F2 Electrical characteristics |
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