STM32F2 Series Low Power consumption summary

Serial number	Running state	Enter command ( stm32f2xx_pwr.c )				Exit Criteria		State		IO pin Status	Measures to further reduce power consumption
class= xl65 "" > run mode	< Span class= "font9" > power up / default mode after system reset, HCLK driver cpu run code				can be entered into other modes via instruction		power supply all normal, Clock is in default settings		user set State	1 2
2	Sleep mode	__WFI () or __wfe ()				Arbitrary interrupts and wake-up events		1, can be divided into two kinds, one is immediately entered, the other is from the lowest priority exit after entering; 2, the core clock stops, peripherals continue to operate;		I don't know for a moment.	Before entering: 1. Reduce the peripheral clock used 2. Close the clock without peripherals
3	Standby mode	void Pwr_enterstandbymode (void);				1, pa0 rising edge wake 2 , RTC alarm 3 RTC Wakeup 4 Span class= "Font9", tamper event 5 , time-stamp event 6 external Reset in NRST pin 7 IWDG reset		1, switch off the 1.2V voltage domain power loss; 2, internal SRAM and register content loss; 3,pll/hsi/hse closed; 4,iwdg/rtc/lsi/lse can be determined by the user whether to run; 5, voltage regulator off		All Pin Place Z State, except Reset and PC13,PI8 and PA0 .	close backup before entering SRAM
4	Stop mode	void Pwr_enterstopmode (uint32_t pwr_regulator, uint8_t pwr_stopentry)				Arbitrary internal and external interrupts Or event wake-up		1, The clock in the 1.2V voltage domain all stops; 2, internal SRAM and register contents remain; 3,pll/hsi/hse closed; 4,iwdg/rtc/lsi/lse can be determined by the user whether to run; 5, voltage regulator can set low power consumption and operating state		All Pin Keep State of the same run mode	Before entering 1, the VR configuration to low-power mode 2. Configure Flash to OFF mode 3. Turn off Adc/dac if not required

STM32F2 Series Low Power consumption summary