STMICROELECTRONICS STM32 L5 Ultra-Low-Power MCUs | New Product Brief
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STMICROELECTRONICS STM32 L5 Ultra-Low-Power MCUs
STMicroelectronics STM32 L5 Ultra-Low-Power MCUs offer flexible power control and enhanced security features for embedded applications that require high performance and low power consumption.
STM32 L5 MCUs are based on an Arm Cortex-M33 core with FPU that operates at up to 110MHz with embedded high-speed memories and an external memory controller, as well as an ST ART Accelerator for enhanced security. The MCU features Arm TrustZone technology and ST security technology, providing hardware-based security functions and securable I/Os, memories, and peripherals. = The MCUs employ ST’s FlexPowerControl and have integrated power conversion, providing flexible power management and reducing overall power consumption.
This includes low-power states with consumption as low as 17nA and operation as low as 62µA/MHz.
- Core: Arm® Cortex®-M33 CPU with TrustZone® and FPU
- 1.5 DMIPS/MHz (Drystone 2.1)
- 442 CoreMark® (4.02 CoreMark/MHz)
- Memories: Up to 512KB Flash (two banks read-while-write) and 256KB SRAM
- External memory interface for SRAM, PSRAM, NOR, NAND, FRAM
- ART Accelerator™: 8KB instruction cache for 0-wait-state execution from Flash and external memories
- Security: Arm® TrustZone® and securable I/Os, memories, and peripherals
- Efficient operation:
- Integrated LDO and SMPS power conversion
- 370 ULPMark-CP® score
- Ultra-low-power operation:
- Low-power states down to 17nA
- 62 μA/MHz Run mode @ 3 V (SMPS step-down converter mode)
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