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STM32F103ZCT7XXX 数据表(PDF) 63 Page - STMicroelectronics |
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STM32F103ZCT7XXX 数据表(HTML) 63 Page - STMicroelectronics |
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63 / 143 page ![]() DS5792 Rev 13 63/143 STM32F103xC, STM32F103xD, STM32F103xE Electrical characteristics 135 Low-speed internal (LSI) RC oscillator Wakeup time from low-power mode The wakeup times given in Table 27 is measured on a wakeup phase with a 8-MHz HSI RC oscillator. The clock source used to wake up the device depends from the current operating mode: • Stop or Standby mode: the clock source is the RC oscillator • Sleep mode: the clock source is the clock that was set before entering Sleep mode. All timings are derived from tests performed under ambient temperature and VDD supply voltage conditions summarized in Table 10. Table 26. LSI oscillator characteristics (1) 1. VDD = 3 V, TA = –40 to 105 °C unless otherwise specified. Symbol Parameter Min Typ Max Unit fLSI(2) 2. Guaranteed by characterization results. Frequency 30 40 60 kHz tsu(LSI)(3) 3. Guaranteed by design. LSI oscillator startup time - - 85 µs IDD(LSI)(3) LSI oscillator power consumption - 0.65 1.2 µA Table 27. Low-power mode wakeup timings Symbol Parameter Typ Unit tWUSLEEP(1) 1. The wakeup times are measured from the wakeup event to the point in which the user application code reads the first instruction. Wakeup from Sleep mode 1.8 µs tWUSTOP(1) Wakeup from Stop mode (regulator in run mode) 3.6 µs Wakeup from Stop mode (regulator in low-power mode) 5.4 tWUSTDBY(1) Wakeup from Standby mode 50 µs |
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