EFM32™ PG23 32-bit Microcontrollers (MCUs)

• ARM Cortex-M33
• 80 MHz
• Up to 512 kB of Flash
• Up to 64 kB RAM
• 21 μA/MHz Active
• 1.03 μA EM2 with 16 kB RAM
• 0.7 uA w/ RTC in EM4

• 3 x EUART, 2x I²C, 1x USART
• 2 x Analog Comparator (ACMP)
• 2-Channel Digital to Analog Converter (VDAC)
• Analog to Digital Converter (IADC) with flexible performance
  • 12, 16, or 20-bit output
  • High Speed Mode up to 2 Msps
  • High Accuracy Mode up to 16-bits ENOB at 3.8 ksps

• Low-Energy Sensor Interface (LESENSE)
  
• Secure Vault™
  
• -40 °C to +125 °C
• 1.71 V to 3.8 V single power supply
  
• Packages:
  • QFN40 (5x5x0.85 mm)
  • QFN48 (6x6x0.85 mm)

PG23 Security Features

• Secure Attestation
• Secure Key Management
• Secure Key Storage
• Anti-Tamper