Features

Includes ST state-of-the-art patented
technology
Ultra-low-power with FlexPowerControl
• 1.71 V to 3.6 V power supply
• –40 °C to +85/125 °C temperature range
• Low-power background autonomous mode
(LPBAM): autonomous peripherals with DMA,
functional down to Stop 2 mode
• VBAT mode: supply for RTC, 32 x 32-bit backup
registers and 2-Kbyte backup SRAM
• 160 nA Shutdown mode (24 wakeup pins)
• 210 nA Standby mode (24 wakeup pins)
• 440 nA Standby mode with RTC
• 1.9 μA Stop 3 mode with 16-Kbyte SRAM
• 4.3 μA Stop 3 mode with full SRAM
• 4.0 μA Stop 2 mode with 16-Kbyte SRAM
• 8.95 μA Stop 2 mode with full SRAM
• 19.5 μA/MHz Run mode @ 3.3 V
Core
• Arm® 32-bit Cortex®-M33 CPU with
TrustZone®, MPU, DSP, and FPU