EFM32G Data Sheet
Feature List
1. Feature List
• ARM Cortex-M3 CPU platform
• High Performance 32-bit processor @ up to 32 MHz
• Memory Protection Unit
• Wake-up Interrupt Controller
• SysTick System Timer
• Flexible Energy Management System
• 20 nA @ 3 V Shutoff Mode
• 0.6 µA @ 3 V Stop Mode, including Power-on Reset, Brown-out Detector, RAM and CPU retention
• 0.9 µA @ 3 V Deep Sleep Mode, including RTC with 32.768 kHz oscillator, Power-on Reset, Brown-out Detector, RAM and CPU
retention
• 45 µA/MHz @ 3 V Sleep Mode
• 180 µA/MHz @ 3 V Run Mode, with code executed from flash
• 128/64/32 KB Flash
• 16/8 KB RAM
• Up to 90 General Purpose I/O pins
• Configurable push-pull, open-drain, pull-up/down, input filter, drive strength
• Configurable peripheral I/O locations
• 16 asynchronous external interrupts
• Output state retention and wake-up from Shutoff Mode
• 8 Channel DMA Controller
• 8 Channel Peripheral Reflex System (PRS) for autonomous inter-peripheral signaling
• Hardware AES with 128/256-bit keys in 54/75 cycles
• Timers/Counters
• 3 × 16-bit Timer/Counter
• 3×3 Compare/Capture/PWM channels
• Dead-Time Insertion on TIMER0
• 16-bit Low Energy Timer
• 1× 24-bit Real-Time Counter
• 3× 8-bit Pulse Counter
• Watchdog Timer with dedicated RC oscillator @ 50 nA
• Integrated LCD Controller for up to 4×40 segments
• Voltage boost, adjustable contrast and autonomous animation
• External Bus Interface for up to 4x64 MB of external memory mapped space
• TFT Controller with Direct Drive
• Communication interfaces
• Up to 3× Universal Synchronous/Asynchronous Receiver/ Transmitter
• UART/SPI/SmartCard (ISO 7816)/IrDA/I2S
• Triple buffered full/half-duplex operation
• 1× Universal Asynchronous Receiver/Transmitter
• 2× Low Energy UART
• Autonomous operation with DMA in Deep Sleep Mode
I2C Interface with SMBus support
• Address recognition in Stop Mode
•
• Ultra low power precision analog peripherals
• 12-bit 1 Msamples/s Analog to Digital Converter
• 8 single-ended channels/4 differential channels
• On-chip temperature sensor
• 12-bit 500 ksamples/s Digital to Analog Converter
• 2 single-ended channels/1 differential channel
• 2× Analog Comparator
• Capacitive sensing with up to 16 inputs
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