STM32L083xZ datasheet(2/139 Pages) STMICROELECTRONICS

tên linh kiện	STM32L083xZ

Giải thích chi tiết về linh kiện	Ultra-low-power 32-bit MCU ARM-based Cortex-M0, up to 192KB Flash, 20KB SRAM, 6KB EEPROM, LCD, USB, ADC, DACs, AES

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2 / 139 page

Contents

STM32L083xx

2/139

DocID027070 Rev 3

Contents

1

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.1

Device overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

2.2

Ultra-low-power device continuum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

3

Functional overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

3.1

Low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

3.2

Interconnect matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

3.3

ARM® Cortex®-M0+ core with MPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

3.4

Reset and supply management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

3.4.1

Power supply schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

3.4.2

Power supply supervisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

3.4.3

Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

3.5

Clock management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

3.6

Low-power real-time clock and backup registers . . . . . . . . . . . . . . . . . . . 25

3.7

General-purpose inputs/outputs (GPIOs) . . . . . . . . . . . . . . . . . . . . . . . . . 25

3.8

Memories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

3.9

Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

3.10

Direct memory access (DMA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

3.11

Liquid crystal display (LCD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

3.12

Analog-to-digital converter (ADC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

3.13

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

3.13.1

Internal voltage reference (VREFINT) . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

3.13.2

VLCD voltage monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

3.14

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

3.15

Ultra-low-power comparators and reference voltage . . . . . . . . . . . . . . . . 29

3.16

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

3.17

AES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

3.18

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

3.18.1

General-purpose timers (TIM2, TIM3, TIM21 and TIM22) . . . . . . . . . . . 31

3.18.2

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

Số phần tương tự - STM32L083xZ

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