Preliminary
...the world's most energy friendly microcontrollers
EFM32GG990 DATASHEET
F1024/F512
Preliminary
• ARM Cortex-M3 CPU platform
• Communication interfaces
• High Performance 32-bit processor @ up to 48 MHz
• Memory Protection Unit
• 3× Universal Synchronous/Asynchronous Receiv-
er/Transmitter
• UART/SPI/SmartCard (ISO 7816)/IrDA/I2S
• 2× Universal Asynchronous Receiver/Transmitter
• 2× Low Energy UART
• Flexible Energy Management System
• 20 nA @ 3 V Shutoff Mode
• 0.4µA @ 3 V Shutoff Mode with RTC
• 0.9 µA @ 3 V Stop Mode, including Power-on Reset, Brown-out
Detector, RAM and CPU retention
• 1.1 µA @ 3 V Deep Sleep Mode, including RTC with 32.768 kHz
oscillator, Power-on Reset, Brown-out Detector, RAM and CPU
retention
• Autonomous operation with DMA in Deep Sleep
Mode
• 2× I2C Interface with SMBus support
• Address recognition in Stop Mode
• Universal Serial Bus (USB) with Host and OTG sup-
port
• 50 µA/MHz @ 3 V Sleep Mode
• 200 µA/MHz @ 3 V Run Mode, with code executed from Flash
• 1024/512 KB Flash
• Read-while-write support
• 128/128 KB RAM
• 86 General Purpose I/O pins
• Configurable Push-pull, Open-drain, pull resistor, drive strength
• Configurable peripheral I/O locations
• 16 asynchronous external interrupts
• Output state retention and wakeup from Shutoff Mode
• 12 Channel DMA Controller
• 12 Channel Peripheral Reflex System (PRS) for autonomous in-
ter-peripheral signaling
• Hardware AES with 128/256-bit keys in 54/75 cycles
• Timers/Counters
• Fully USB 2.0 compliant
• On-chip PHY and embedded 5V to 3.3V regulator
• 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
• 3× Operational Amplifier
• 6.1 MHz GBW, Rail-to-rail, Programmable Gain
• Supply Voltage Comparator
• Low Energy Sensor Interface (LESENSE)
• Autonomous sensor monitoring in Deep Sleep Mode
• Wide range of sensors supported, including LC sen-
sors and capacitive buttons
• 4× 16-bit Timer/Counter
• 4×3 Compare/Capture/PWM channels
• 16-bit Low Energy Timer
• 1× 24-bit and 1× 32-bit Real-Time Counter
• 3× 16/8-bit Pulse Counter with asynchronous operation
• Watchdog Timer with dedicated RC oscillator @ 50 nA
• Integrated LCD Controller for up to 8×34 segments
• Voltage boost, adjustable contrast and autonomous animation
• Backup Power Domain
• RTC and retention registers in a separate power domain, avail-
able in all energy modes
• Operation from backup battery when main power drains out
• External Bus Interface for up to 4×256 MB of external memory
mapped space
• Ultra efficient Power-on Reset and Brown-Out Detec-
tor
• Debug Interface
• 2-pin Serial Wire Debug interface
• 1-pin Serial Wire Viewer
• Embedded Trace Module v3.5 (ETM)
• Pre-Programmed Serial Bootloader
• Temperature range -40 to 85 ºC
• Single power supply 1.85 to 3.8 V
• BGA112 package
• TFT Controller with Direct Drive
32-bit ARM Cortex-M0+, Cortex-M3 and Cortex-M4F microcontrollers for:
• Energy, gas, water and smart metering
• Health and fitness applications
• Smart accessories
• Alarm and security systems
• Industrial and home automation
• www.energymicro.com/gecko