Feature ListThe EFM32PG22 highlighted features are listed below.• Low Power MCU• High Performance 32-bit 76.8 MHz ARM Cortex®-M33 withDSP instruction and floating-point unit for efficient signalprocessing• Up to 512 kB flash program memory• Up to 32 kB RAM data memory• Low System Energy Consumption• 26 μA/MHz in Active Mode (EM0) at 38.4 MHz• 1.10 μA EM2 DeepSleep current (8 kB RAM retention andRTC running from LFRCO)• 0.95 μA EM3 DeepSleep current (8 kB RAM retention andRTC running from ULFRCO)• 0.17 μA EM4 current• Security Features• Secure Boot with Root of Trust and Secure Loader (RTSL)• Hardware Cryptographic Acceleration for AES128/256,SHA-1, SHA-2 (up to 256-bit), ECC (up to 256-bit), ECDSA,and ECDH• True Random Number Generator (TRNG) compliant withNIST SP800-90 and AIS-31• ARM® TrustZone®• Secure Debug with lock/unlock• Packages• QFN40 5 mm × 5 mm × 0.85 mm• QFN32 4 mm × 4 mm × 0.85 mm• Wide selection of MCU peripherals• Analog to Digital Converter (ADC)• 12-bit @ 1 Msps• 16-bit @ 76.9 ksps• Up to 26 General Purpose I/O pins with output state retention and asynchronous interrupts• 8 Channel DMA Controller• 12 Channel Peripheral Reflex System (PRS)• 4 × 16-bit Timer/Counter with 3 Compare/Capture/PWMchannels• 1 × 32-bit Timer/Counter with 3 Compare/Capture/PWMchannels• 32-bit Real Time Counter• 24-bit Low Energy Timer for waveform generation• 1 × Watchdog Timer• 2 × Universal Synchronous/Asynchronous Receiver/Transmitter (UART/SPI/SmartCard (ISO 7816)/IrDA/I2S)• 1 × Enhanced Universal Asynchronous Receiver/Transmitter (EUART)• 2 × I2C interface with SMBus support• Digital microphone interface (PDM)• Die temperature sensor with +/-1.5 °C accuracy after singlepoint calibration• Wide Operating Range• 1.71 V to 3.8 V single power supply• -40 °C to 125 °C