Ultra Low-Power ARM Cortex-M3 MCU with Integrated Power Management and 256K bytes of Embedded Flash Memory

Ultra-low-power active and hibernate modes
Active <30 μA/MHz (typical)
Flexi <300 μA (typical)
Hibernate <750 nA (typical)
Shutdown <60 nA (typical)
ARM Cortex-M3 processor with MPU
Up to 26 MHz with serial wire debug interface
Power management
Single supply operation
Wide voltage range (VBAT): 1.74 V to 3.6 V
LDO+ Buck converter for improved efficiency (optional)
Power Supply Monitor (PSM)
Power-on Reset (POR)
Memory options

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