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STM32L0系列

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STM32L0 series of ultra-low-power MCUs

The STM32L0 series is ST’s entry-level range of 32-bit ultra-low-power MCUs designed to achieve an outstandingly low power consumption level. The result is a genuine ultra-low-power MCU with the world’s lowest power consumption at 125 °C.

The exclusive combination of an Arm® Cortex®-M0+ core and STM32 ultra-low-power features, makes the STM32L0 the best fit for applications operating on batteries or supplied by energy harvesting.

To provide the best power efficiency, the STM32L0 offers dynamic voltage scaling, an ultra-low-power clock oscillator and short wakeup time. New autonomous peripherals (including USART, I²C, and touch sense controller) reduce the load of the Arm® Cortex®-M0+ core leading to fewer CPU wakeups and contribute to decreased processing time and power consumption.

To reduce total application BOM cost, the STM32L0 integrates low-power comparators, embedded EEPROM, and a crystal-less USB interface.

Other value-added features such as 16-bit ADC (hardware oversampling), dual-channel DAC, hardware encryption, and communication peripherals capable of operating in ultra-low-power mode make up for an unrivaled tradeoff between feature integration, performance and ultra-low-energy consumption.

STM32L0 MCUs are available with up to 192 Kbytes of Flash memory, 20 Kbytes of RAM and up to 6 Kbytes of embedded true EEPROM (no emulation needed) in 14- to 100-pin packages, including space-saving WLCSP packages.

STM32L0 MCUs have scored 161 in the standardized EEMBC™ ULPBench® tests that compare the efficiency of ultra-low-power microcontrollers.

Current consumption reference values:

  • Dynamic run mode: down to 49 µA/MHz (with external DC/DC) and 76 MHz (with LDO)
  • Ultra-low-power mode + full RAM + low power timer: 340 nA (16 wakeup lines)
  • Ultra-low-power mode + backup register: 230 nA (2 wakeup pins)
  • Wake-up time: 3.5 µs

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STM32L5 Series ultra-low power microcontroller with more security
STM32L5 Series ultra-low power microcontroller with more security

This video is about the STM32L5, our recently announced ultra-low power microcontroller bringing a new security dimension. The STM32L5 is now in full production and all its ecosystem is available including hardware kits, software tools, firmware and all documentations of course. This is our first STM32 based on Cortex-M33 and its Trustzone and using specific ST security implementation - watch the video to find out more!

How to enable TrustZone<sup>®</sup> and start a project with STM32L5
How to enable TrustZone® and start a project with STM32L5

The STM32L5 is based on Arm® Cortex-M33 and TrustZone® technology combined with STMicroelectronics security implementation. On your STM32L562E-DK discovery board, TrustZone is disabled (factory setting) and you can develop as on any other STM32 device. This video shows how to enable TrustZone on STM32L562E-DK discovery using STM32CubeProgrammer and create, compile and debug or run a new project with STM32CubeIDE. It also shows how to open an example project delivered in STM32CubeL5 MCU Package, modify, compile and debug or run it. For further information, you can refer to AN5394 and AN5424 application notes.

MadeForSTM32™ - the new STM32 quality label
MadeForSTM32™ - the new STM32 quality label

MadeForSTM32™ is a new quality label delivered by ST, which is granted after an evaluation process. It helps engineers identify third party solutions with the highest level of integration and quality for the STM32 microcontrollers' ecosystem. MadeForSTM32™ is offered to members of the ST Partner Program who want to go one step further in our collaboration, with the overall objective of contributing to a high-quality STM32 ecosystem.

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STM32L0 MCU系列：不仅出色而且价格合理的生态系统

Discover the STM32L0x0 Value line

Our new simple, cost-efficient solution

STM32L0 MCU系列：不仅出色而且价格合理的生态系统

  • 为STM32L0 MCU购买32引脚或64引脚Nucleo板、探索套件或评估套件。 
  • 下载免费的STM32CubeL0嵌入式软件包，它含有HAL、LL（底层）API和中间件。然后安装ST的STM32CubeMX图形软件配置工具（免费），它支持引脚配置、代码生成和功耗计算。开始尝试提供的众多示例之一，或建立自己的项目。
  • 如需获取最终的优化库代码，请下载STM32SnippetsL0嵌入式软件包。
  • STM32L0用户现可选用一流供应商出品的多款IDE，享用免费的MDK-ARM-STR Keil环境以及Ac6 System Workbench等基于Eclipse的免费IDE。

STM32L0超低功耗无线解决方案

如需了解基于STM32L0的低功耗无线解决方案，可使用STM32L0 LoRa®探索套件
（B-L072Z-LRWAN1）以及配有NUCLEO-L073RZ 和LoRa扩展板（I-NUCLEO-SX1272D）的低功耗无线Nucleo包（P-NUCLEO-LRWAN1）。

如需了解LoRa解决方案的详细信息，请访问LoRaWAN。

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