STM32L4P5CE datasheet(28/311 Pages) STMICROELECTRONICS

部件名	STM32L4P5CE

功能描述	Ultra-low-power Arm® Cortex®-M4 32-bit MCUFPU, 150 DMIPS, up to 1-MB Flash memory, 320-KB SRAM, LCD-TFT, ext. SMPS

PDF	311 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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28 / 311 page

Functional overview

STM32L4P5xx

28/311

DS12903 Rev 2

3.7.4

Low-power modes

The ultra-low-power devices support seven low-power modes to achieve the best

compromise between low-power consumption, short startup time, available peripherals and

available wake-up sources. The table below shows the related STM32L4P5xx modes

overview.

Table 4. STM32L4P5xx modes overview

Mode

Regulator(1)

CPU

Flash

SRAM

Clocks

DMA and peripherals(2)

Wakeup source

Run

Range 1

Yes

ON(3)

Any

All

N/A

SMPS range

2 High

Range 2

All except

OTG_FS, RNG, LCD-TFT

SMPS range

2 Low

LPRun

LPR

Yes

ON(3)

Any

except

PLL

All except

OTG_FS, RNG, LCD-TFT

N/A

Sleep

Range 1

ON(3)

ON(4)

Any

All

Any interrupt or

event

SMPS range

2 High

Range 2

All except

OTG_FS, RNG, LCD-TFT

SMPS range

2 Low

LPSleep

LPR

ON(3)

ON(4)

Any

except

PLL

All except OTG_FS, RNG,

LCD-TFT

Any interrupt or

event

Stop 0(5)

Range 1

Off

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)

Range 2

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