STM32L011D4P7 datasheet(19/119 Pages) STMICROELECTRONICS

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STM32L011x3/4

Functional overview

3.3

Arm® Cortex®-M0+ core

The Cortex-M0+ processor is an entry-level 32-bit Arm Cortex processor designed for a

broad range of embedded applications. It offers significant benefits to developers, including:

•

a simple architecture that is easy to learn and program

•

ultra-low power, energy-efficient operation

•

excellent code density

•

deterministic, high-performance interrupt handling

•

upward compatibility with Cortex-M processor family

•

platform security robustness.

The Cortex-M0+ processor is built on a highly area and power optimized 32-bit processor

core, with a 2-stage pipeline von Neumann architecture. The processor delivers exceptional

energy efficiency through a small but powerful instruction set and extensively optimized

design, providing high-end processing hardware including a single-cycle multiplier.

The Cortex-M0+ processor provides the exceptional performance expected of a modern 32-

bit architecture, with a higher code density than other 8-bit and 16-bit microcontrollers.

Owing to its embedded Arm core, the STM32L011x3/4 are compatible with all Arm tools and

software.

Table 6. STM32L011x3/4 peripherals interconnect matrix

Interconnect

source

Interconnect

destination

Interconnect action

Run Sleep

Low-

power

run

Low-

power

sleep

Stop

COMPx

TIM2,TIM21

Timer input channel,

trigger from analog

signals comparison

LPTIM1

Timer input channel,

trigger from analog

signals comparison

TIMx

Timer triggered by other

timer

RTC

TIM21

Timer triggered by Auto

wake-up

LPTIM1

Timer triggered by RTC

event

All clock

source

TIMx

Clock source used as

input channel for RC

measurement and

trimming

GPIO

TIMx

Timer input channel and

trigger

LPTIM1

Timer input channel and

trigger

ADC

Conversion trigger

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