STM32L072X8 datasheet(2/147 Pages) STMICROELECTRONICS

номер детали	STM32L072X8

подробное описание детали	Ultra-low-power 32-bit MCU ARM-based Cortex-M0, up to 192KB Flash, 20KB SRAM, 6KB EEPROM, USB, ADC, DACs

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производитель	STMICROELECTRONICS [STMicroelectronics]

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2 / 147 page

Contents

STM32L072xx

2/147

DocID027100 Rev 3

Contents

1

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2.1

Device overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.2

Ultra-low-power device continuum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

3

Functional overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

3.1

Low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

3.2

Interconnect matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

3.3

ARM® Cortex®-M0+ core with MPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

3.4

Reset and supply management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

3.4.1

Power supply schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

3.4.2

Power supply supervisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

3.4.3

Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

3.5

Clock management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

3.6

Low-power real-time clock and backup registers . . . . . . . . . . . . . . . . . . . 26

3.7

General-purpose inputs/outputs (GPIOs) . . . . . . . . . . . . . . . . . . . . . . . . . 26

3.8

Memories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

3.9

Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

3.10

Direct memory access (DMA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

3.11

Analog-to-digital converter (ADC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

3.12

Temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

3.12.1

Internal voltage reference (VREFINT) . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

3.13

Digital-to-analog converter (DAC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

3.14

Ultra-low-power comparators and reference voltage . . . . . . . . . . . . . . . . 30

3.15

Touch sensing controller (TSC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

3.16

Timers and watchdogs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

3.16.1

General-purpose timers (TIM2, TIM3, TIM21 and TIM22) . . . . . . . . . . . 32

3.16.2

Low-power Timer (LPTIM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

3.16.3

Basic timer (TIM6, TIM7) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

3.16.4

SysTick timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

3.16.5

Independent watchdog (IWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Аналогичный номер детали - STM32L072X8

производитель	номер детали	датащи	подробное описание детали
STMicroelectronics	STM32L072X8	2Mb / 160P	Ultra-low-power 32-bit MCU Arm짰-based Cortex짰-M0, up to 192KB Flash, 20KB SRAM, 6KB EEPROM, USB, ADC, DACs November 2019
STMicroelectronics	STM32L072X8	2Mb / 160P	Ultra-low-power 32-bit MCU Arm짰-based Cortex짰-M0, up to 192KB Flash, 20KB SRAM, 6KB EEPROM, USB, ADC, DACs November 2019

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Аналогичное описание - STM32L072X8

производитель	номер детали	датащи	подробное описание детали
STMicroelectronics	STM32L073X8	1Mb / 139P	Ultra-low-power 32-bit MCU ARM-based Cortex-M0, up to 192KB Flash, 20KB SRAM, 6KB EEPROM, LCD, USB, ADC, DACs
	STM32L083X8	1Mb / 139P	Ultra-low-power 32-bit MCU ARM-based Cortex-M0, up to 192KB Flash, 20KB SRAM, 6KB EEPROM, LCD, USB, ADC, DACs, AES
	STM32L082KB	1Mb / 132P	Ultra-low-power 32-bit MCU Arm®-based Cortex®-M0, up to 192KB Flash, 20KB SRAM, 6KB EEPROM, USB, ADC, DACs, AES October 2022
	STM32L071X8	1Mb / 136P	Access line ultra-low-power 32-bit MCU ARM-based Cortex-M0, up to 192KB Flash, 20KB SRAM, 6KB EEPROM, ADC
	STM32L072X8	2Mb / 160P	Ultra-low-power 32-bit MCU Arm짰-based Cortex짰-M0, up to 192KB Flash, 20KB SRAM, 6KB EEPROM, USB, ADC, DACs November 2019
	STM32L081CB	1Mb / 110P	Access line ultra-low-power 32-bit MCU ARM-based Cortex-M0, up to 192KB Flash, 20KB SRAM, 6KB EEPROM, ADC, AES
	STM32L073X8	2Mb / 157P	Ultra-low-power 32-bit MCU Arm짰-based Cortex짰-M0, up to 192KB Flash, 20KB SRAM, 6KB EEPROM, LCD, USB, ADC, DACs August 2020 Rev 6
	STM32L071X8	2Mb / 148P	Access line ultra-low-power 32-bit MCU Arm짰-based Cortex짰-M0, up to 192KB Flash, 20KB SRAM, 6KB EEPROM, ADC November 2019
	STM32L031X4	1Mb / 118P	Access line ultra-low-power 32-bit MCU ARM-based Cortex-M0, up to 32KB Flash, 8KB SRAM, 1KB EEPROM, ADC
	STM32L011X3	1Mb / 115P	Access line ultra-low-power 32-bit MCU ARM-based Cortex-M0, up to 16KB Flash, 2KB SRAM, 512B EEPROM, ADC

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