STM32L5系列超低功耗微控制器
安全性已经成为嵌入式和物联网应用开发人员正在努力改进的三个关键领域之一。STM32L5微控制器系列是在性能、功耗和安全性之间实现新的最佳平衡的解决方案。STM32L5系列MCU利用了Arm Cortex-M33处理器的安全特性，并将其面向Armv8-M架构的TrustZone与意法半导体安全实现方案相结合。意法半导体专利的超低功耗技术创造了一流的节能型微处理器，可用于物联网(IoT)、医疗、工业和消费等低功耗应用。
STM32L5系列微控制器可提供最高512 KB的（双Bank）闪存和256 KB的SRAM，通过采用新型内核和全新的意法半导体 ART Accelerator™（现在也支持外部存储器），实现了性能大幅提升(442 CoreMark)。
STM32L5通过7种封装选项（48~144个引脚）提供众多产品型号，还支持高达125°C的工作环境温度。
全套安全特性
- 支持TrustZone的灵活的硬件与软件安全隔离
- 增强的安全服务：用于安全启动的专用安全用户内存空间、对称和非对称的crypto加速、内存和IP保护、安全/非安全域之间的独立读取保护、实时IO篡改检测、认证的cryptolib、嵌入式安全固件安装加载程序和生态系统。
最佳功耗
- EEMBC ULPBench®：ULPMark-CP 得分402
- 嵌入式SMPS降压转换器（可选）
- 最佳的功耗性能和高度的灵活性：
- 关断模式下33 nA
- 在停止模式3.6µA，具有全SRAM和外设状态保持能力，能够在5µs内唤醒。
- 激活模式下电流低至60 µA/MHz
集成、尺寸和性能
- 更好的应用响应：
- 运行于110 MHz的全新Arm Cortex-M33内核，性能比Cortex-M4增加20%
- 全新意法半导体 ART加速器：在内部和外部闪存（8 KB的指令缓存）中均可工作
- DMIPS得分为165，CoreMark得分为442
- 高度集成与创新：大容量存储器、USB Type-C（带功率传输控制器）、CAN FD
- 丰富的产品组：7个封装类型（LQFP48、QFN48、LQFP64、WLCSP81、LQFP100、UFBGA132、以及LQFP144）适用于多种选择
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The STM32Cube.AI is an extension pack of the widely used STM32CubeMX configuration and code generation tool enabling AI on STM32 Arm® Cortex®-M-based microcontrollers.
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- STM32L552VC Ultra-low-power with FPU Arm Cortex-M33 with Trust Zone, MCU 110 MHz with 256 kbytes of Flash memory
- STM32L552CC Ultra-low-power with FPU Arm Cortex-M33 with Trust Zone, MCU 110 MHz with 256 kbytes of Flash memory
- STM32L562VE Ultra-low-power with FPU Arm Cortex-M33 with Trust Zone, MCU 110 MHz with 512 kbytes of Flash memory
- STM32L552VE Ultra-low-power with FPU Arm Cortex-M33 with Trust Zone, MCU 110 MHz with 512 kbytes of Flash memory
- STM32L552CE Ultra-low-power with FPU Arm Cortex-M33 with Trust Zone, MCU 110 MHz with 512 kbytes of Flash memory
- STM32L552QC Ultra-low-power with FPU Arm Cortex-M33 with Trust Zone, MCU 110 MHz with 256 kbytes of Flash memory
- STM32L552RC Ultra-low-power with FPU Arm Cortex-M33 with Trust Zone, MCU 110 MHz with 256 kbytes of Flash memory
- STM32L562QE Ultra-low-power with FPU Arm Cortex-M33 with Trust Zone, MCU 110 MHz with 512 kbytes of Flash memory
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