KEY FEATURES

• ARM Cortex-M4 with Floating-Point Unit

(FPU) at 48 MHz

• Ultra-low power operation

• 0.65 μA current in Stop (EM3) with

brown-out detection and RAM retention

• 63 μA/MHz in EM1

• 211 μA/MHz in Run mode (EM0)

• Fast wake-up time of 2 μs

• Hardware cryptography (AES)

• Up to 256 kB of flash and 32 kB of RAM