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数据搜索系统，热门电子元器件搜索 |
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STM32F091CB 数据表(PDF) 72 Page - STMicroelectronics |
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STM32F091CB 数据表(HTML) 72 Page - STMicroelectronics |
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72 / 127 page  Electrical characteristics STM32F091xB STM32F091xC 72/127 DocID026284 Rev 3 High-speed internal (HSI) RC oscillator Figure 19. HSI oscillator accuracy characterization results for soldered parts Table 41. HSI oscillator characteristics(1) 1. VDDA = 3.3 V, TA = -40 to 105°C unless otherwise specified. Symbol Parameter Conditions Min Typ Max Unit fHSI Frequency - - 8 - MHz TRIM HSI user trimming step - - - 1(2) 2. Guaranteed by design, not tested in production. % DuCy(HSI) Duty cycle - 45(2) -55(2) % ACCHSI Accuracy of the HSI oscillator TA = -40 to 105°C -2.8(3) 3. Data based on characterization results, not tested in production. -3.8(3) % TA = -10 to 85°C -1.9(3) -2.3(3) TA = 0 to 85°C -1.9(3) -2(3) TA = 0 to 70°C -1.3(3) -2(3) TA = 0 to 55°C -1(3) -2(3) TA = 25°C(4) 4. Factory calibrated, parts not soldered. -1 - 1 tsu(HSI) HSI oscillator startup time - 1(2) -2(2) µs IDDA(HSI) HSI oscillator power consumption - - 80 100(2) µA |
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