EFM32™ PG26 32-bit Microcontrollers (MCUs)

Low-Power System-on-Chip

• High-performance 32-bit 80 MHz ARM Cortex®-M33 with DSP instruction and floating-point unit for efficient signal processing
• Up to 3200 kB flash program memory
• Up to 512 kB RAM data memory

Low System Energy Consumption

• 44.6 μA/MHz in Active Mode (EM0) at 80 MHz
• 1.4 μA EM2 DeepSleep current (16 kB RAM retention and RTC running from LFRCO)

Wide Operating Range

• 1.71 to 3.8 V single power supply
• -40 to +125 °C

Packages

• QFN68 8 x 8 x 0.85 mm
• BGA136 7 x 7 x 0.82 mm

Wide Selection of MCU peripherals

• Analog-to-Digital Converter (IADC)
  
  • 12, 16, or 20-bit output
    
  • Select OPNs support High Speed Mode (up to 2 Msps) and High Accuracy Mode (up to 16-bits ENOB at 3.8 ksps)
• 2 × Analog Comparator (ACMP)
• 2-Channel Digital-to-Analog Converter (VDAC)
• Up to 64 General Purpose I/O pins with output state retention and asynchronous interrupts
• 8 Channel DMA Controller
• 20 Channel Peripheral Reflex System (PRS)
• 6 × 16-bit Timer/Counter with 3 Compare/Capture/PWM channels (TIMER2/3/4/5/6/7)
  
• 4 × 32-bit Timer/Counter with 3 Compare/Capture/PWM channels(TIMER0/1/8/9)
• 2 x 32-bit Real Time Counter (SYSRTC/BURTC)
  
• 24-bit Low-Energy Timer for waveform generation (LETIMER)
  
• 16-bit Pulse Counter with asynchronous operation (PCNT)
• 2 × Watchdog Timer (WDOG)
  
• 4 × Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART) supporting UART/SPI/DALI/IrDA
  
• 3 x Universal Synchronous/Asynchronous Receiver/Transmitter (USART), supporting UART/SPI/SmartCard (ISO 7816)/IrDA/I2S
• 4 × I2C interface with SMBus support

• Low-frequency RC Oscillator with precision mode to replace 32 kHz sleep crystal (LFRCO)
  
• Integrated Low-Energy LCD Controller supporting up to 4 x 40 segments (LCD)
  
• Keypad scanner supporting up to 6 x 8 matrix (KEYSCAN)
• Die temperature sensor with ± 1.5 °C accuracy after single-point calibration

Secure Vault™

• Hardware Cryptographic Acceleration for AES128/192/256, ChaCha20-Poly1305, SHA-1, SHA-2/256/384/512, ECDSA +ECDH(P-192, P-256, P-384, P-521), Ed25519 and Curve25519, J-PAKE, PBKDF2
  
• True Random Number Generator (TRNG) 
• ARM® TrustZone®
• Secure Boot with (Root of Trust and Secure Loader (RTSL)
• Secure Debug Unlock
• DPA Countermeasures
• Secure Key Management with PUF
• Anti-Tamper
• Secure Attestation