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STM32L152C6 数据表(PDF) 14 Page - STMicroelectronics |
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STM32L152C6 数据表(HTML) 14 Page - STMicroelectronics |
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14 / 121 page  Functional overview STM32L151x6/8/B, STM32L152x6/8/B 14/121 Doc ID 17659 Rev 8 Comparator 1 event or Comparator 2 event (if internal reference voltage is on). It can also be wakened by the USB wakeup. Stop mode consumption: refer to Table 22. ● Standby mode with RTC Standby mode is used to achieve the lowest power consumption and real time clock. The internal voltage regulator is switched off so that the entire VCORE domain is powered off. The PLL, MSI RC, HSI RC and HSE crystal oscillators are also switched off. The LSE or LSI is still running. After entering Standby mode, the RAM and register contents are lost except for registers in the Standby circuitry (wakeup logic, IWDG, RTC, LSI, LSE Crystal 32K osc, RCC_CSR). The device exits Standby mode in 60 µs when an external reset (NRST pin), an IWDG reset, a rising edge on one of the three WKUP pins, RTC alarm (Alarm A or Alarm B), RTC tamper event, RTC timestamp event or RTC Wakeup event occurs. ● Standby mode without RTC Standby mode is used to achieve the lowest power consumption. The internal voltage regulator is switched off so that the entire VCORE domain is powered off. The PLL, MSI, RC, HSI and LSI RC, HSE and LSE crystal oscillators are also switched off. After entering Standby mode, the RAM and register contents are lost except for registers in the Standby circuitry (wakeup logic, IWDG, RTC, LSI, LSE Crystal 32K osc, RCC_CSR). The device exits Standby mode in 60 µs when an external reset (NRST pin) or a rising edge on one of the three WKUP pin occurs. Standby mode consumption: refer to Table 23. Note: The RTC, the IWDG, and the corresponding clock sources are not stopped by entering the Stop or Standby mode. Table 3. Functionalities depending on the operating power supply range Functionalities depending on the operating power supply range Operating power supply range DAC and ADC operation USB Dynamic voltage scaling range I/O operation VDD = 1.65 to 1.8 V Not functional Not functional Range 2 or range 3 Degraded speed performance VDD = 1.8 to 2.0 V Conversion time up to 500 Ksps Not functional Range 2 or range 3 Degraded speed performance VDD = 2.0 to 2.4 V Conversion time up to 500 Ksps Functional(1) 1. Should be USB compliant from I/O voltage standpoint, the minimum VDD is 3.0 V. Range 1, range 2 or range 3 Full speed operation VDD = 2.4 to 3.6 V Conversion time up to 1 Msps Functional(1) Range 1, range 2 or range 3 Full speed operation |
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