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STM32L4P5CE 数据表(PDF) 29 Page - STMicroelectronics |
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STM32L4P5CE 数据表(HTML) 29 Page - STMicroelectronics |
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29 / 311 page  DS12903 Rev 2 29/311 STM32L4P5xx Functional overview 64 Stop 1 LPR No Off ON LSE LSI BOR, PVD, PVM RTC, IWDG COMPx (x=1,2) DAC1 OPAMPx (x=1,2) USARTx (x=1...5)(6) LPUART1(6) I2Cx (x=1...4)(7) LPTIMx (x=1,2) *** All other peripherals are frozen Reset pin, all I/Os BOR, PVD, PVM RTC, IWDG COMPx (x=1..2) USARTx (x=1...5)(6) LPUART1(6) I2Cx (x=1...4)(7) LPTIMx (x=1,2) OTG_FS(8) Stop 2 LPR No Off ON LSE LSI BOR, PVD, PVM RTC, IWDG COMPx (x=1..2) I2C3(7) LPUART1(6) LPTIMx (x=1,2) *** All other peripherals are frozen Reset pin, all I/Os BOR, PVD, PVM RTC, IWDG COMPx (x=1..2) I2C3(7) LPUART1(6) LPTIMx (x=1,2) Standby LPR Powered Off Off SRAM2 ON LSE LSI BOR, RTC, IWDG *** All other peripherals are powered off *** I/O configuration can be floating, pull-up or pull- down Reset pin 5 I/Os (WKUPx)(9) BOR, RTC, IWDG OFF Powered Off Shutdown OFF Powered Off Off Powered Off LSE RTC *** All other peripherals are powered off *** I/O configuration can be floating, pull-up or pull- down(10) Reset pin 5 I/Os (WKUPx)(9) RTC 1. LPR means Main regulator is OFF and Low-power regulator is ON. 2. All peripherals can be active or clock gated to save power consumption. 3. The Flash memory can be put in power-down and its clock can be gated off when executing from SRAM. 4. The SRAM1, SRAM2 and SRAM3 clocks can be gated on or off independently. 5. SMPS mode can be used in Stop 0 mode, but no significant power gain can be expected. 6. U(S)ART and LPUART reception is functional in Stop mode, and generates a wakeup interrupt on Start, address match or received frame event. 7. I2C address detection is functional in Stop mode, and generates a wakeup interrupt in case of address match. 8. OTG_FS wakeup by resume from suspend and attach detection protocol event. Table 4. STM32L4P5xx modes overview (continued) Mode Regulator(1) CPU Flash SRAM Clocks DMA and peripherals(2) Wakeup source |
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