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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32WB50CG датащи(PDF) 84 Page - STMicroelectronics |
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STM32WB50CG датащи(HTML) 84 Page - STMicroelectronics |
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84 / 119 page  Electrical characteristics STM32WB50CG STM32WB30CE 84/119 DS13047 Rev 5 High-speed internal 48 MHz (HSI48) RC oscillator Table 54. HSI48 oscillator characteristics(1) Symbol Parameter Conditions Min Typ Max Unit fHSI48 HSI48 frequency VDD = 3.0 V, TA = 30 °C - 48 - MHz TRIM HSI48 user trimming step - - 0.11(2) 0.18(2) % USER TRIM COVERAGE HSI48 user trimming coverage ±32 steps ±3(3) ±3.5(3) - DuCy(HSI48) Duty cycle - 45(2) -55(2) ACCHSI48_REL Accuracy of the HSI48 oscillator over temperature (factory calibrated) VDD = 3.0 V to 3.6 V, TA = –10 to 85 °C -- ±3(3) VDD = 2 V to 3.6 V, TA = –10 to 85 °C -- ±4.5(3) DVDD(HSI48) HSI48 oscillator frequency drift with VDD VDD = 3 V to 3.6 V - 0.025(3) 0.05(3) VDD = 2 V to 3.6 V - 0.05(3) 0.1(3) tsu(HSI48) HSI48 oscillator start-up time - - 2.5(2) 6(2) μs IDD(HSI48) HSI48 oscillator power consumption - - 340(2) 380(2) μA NT jitter Next transition jitter Accumulated jitter on 28 cycles(4) -- ±0.15(2) - ns PT jitter Paired transition jitter Accumulated jitter on 56 cycles(4) -- ±0.25(2) - 1. VDD = 3 V, TA = –10 to 85 °C unless otherwise specified. 2. Guaranteed by design. 3. Guaranteed by characterization results. 4. Jitter measurement are performed without clock source activated in parallel. |
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