STM32L0系列超低功耗MCU
STM32L0系列是意法半导体的入门级32位超低功耗MCU产品组合，旨在实现卓越的低功耗水平。由此产生了真正的超低功耗MCU，125℃时的功耗为世界最低。
ARM® Cortex®-M0+内核与STM32超低功耗特性的独有结合，使STM32L0非常适合电池供电或供电来自能量收集的应用。
为了实现最佳功率效率，STM32L0提供动态电压调整、超低功耗时钟振荡器和短唤醒时间。新的自主式外设（包括USART、I²C和触摸传感控制器）降低了Arm® Cortex®-M0+内核的负荷，减少了CPU唤醒次数，因此有助于减少处理时间及功率消耗。
为了降低总应用BOM成本，STM32L0集成了低功耗比较器、嵌入式EEPROM和无石英USB接口。
它还内置其它一些增值特性，例如16位ADC（硬件过采样）、双通道DAC、硬件加密、能够在超低功耗模式下运行的通信外设，实现了集成特性、高性能与超低功耗之间的完美平衡。
STM32L0 MCU具有高达192 Kb的闪存、20 KB RAM、及高达6 KB的嵌入式真正EEPROM（无需仿真），采用14到100引脚封装（包括空间节约型WLCSP36封装）。
STM32L0 MCU在比较超低功耗微控制器效率的标准化EEMBC™ ULPBench®测试中获得244分。
电流消耗参考值：
- 动态运行模式：低至49 µA/MHz（采用外部DC/DC） 和76 µA/MHz（采用LDO）
- 超低功耗模式 + 全RAM + 低功耗定时器：340 nA（16根唤醒线）
- 超低功耗模式 + 备份寄存器：230 nA（2个唤醒引脚）
- 唤醒时间：3.5 µs
精选 视频
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!
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™ 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.
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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- STM32L083CB Ultra-low-power Arm Cortex-M0+ MCU with 128-Kbytes of Flash memory, 32 MHz CPU, USB, LCD, AES
- STM32L083RZ Ultra-low-power Arm Cortex-M0+ MCU with 192-Kbytes of Flash memory, 32 MHz CPU, USB, LCD, AES
- STM32L073V8 Ultra-low-power Arm Cortex-M0+ MCU with 64-Kbytes of Flash memory, 32 MHz CPU, USB, LCD
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