STM32L552RE Datasheet

STM32L552RE Ultra-low-power Arm Cortex-M33 32-bit MCU

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 3 Functional overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 3.1 Arm® Cortex®-M33 core with TrustZone® and FPU . . . . . . . . . . . . . . . . . 20 3.2 A.

Features

Ultra-low-power with FlexPowerControl
• 1.71 V to 3.6 V power supply
• -40 °C to 85/125 °C temperature range
• Batch acquisition mode (BAM)
• 187 nA in VBAT mode: supply for RTC and 32x32-bit backup registers
• 17 nA Shutdown mode (5 wakeup pins)
• 108 nA Standby mode (5 wakeup pins)
• 222 nA Standby mode with RTC
• 3.16 μA Stop 2 with RTC
• 106 μA/MHz Run mode (LDO mode)
• 62 μA/MHz Run mode @ 3 V (SMPS step-down converter mode)
• 5 µs wakeup from Stop mode
• Brownout reset (BOR) in all modes except Shutdown Core
• Arm® 32-bit Cortex®-M33 CPU with TrustZone® and FPU ART Accelerator
• 8-Kbyte.