User manual

...the world's most energy friendly microcontrollers
2012-04-24 - Giant Gecko Family - d0053_Rev0.96 6
www.energymicro.com
• 2× Low Energy UART
• Autonomous operation with DMA in Deep Sleep Mode
• 2× I
2
C Interface with SMBus support
• Address recognition in Stop Mode
• Timers/Counters
• 4× 16-bit Timer/Counter
• 3 Compare/Capture/PWM channels
• Dead-Time Insertion on TIMER0
• 16-bit Low Energy Timer
• 1× 24-bit and 1× 32-bit Real-Time Counter
• Watchdog Timer with dedicated RC oscillator @ 50 nA
• Backup Power Domain
• RTC and retention registers in a seperate power domain, available in all energy modes
• Operation from backup battery when main power drains out
• Ultra low power precision analog peripherals
• 12-bit 1 Msamples/s Analog to Digital Converter
• 8 input channels and on-chip temperature sensor
• Single ended or differential operation
• Conversion tailgating for predictable latency
• 12-bit 500 ksamples/s Digital to Analog Converter
• 2 single ended channels/1 differential channel
• Up to 3 Operational Amplifiers
• Supports rail-to-rail inputs and outputs
• Programmable gain
• 2× Analog Comparator
• Programmable speed/current
• Capacitive sensing with up to 8 inputs
• Supply Voltage Comparator
• Ultra low power sensor interface
• Autonomous sensor monitoring in Deep Sleep Mode
• Wide range of sensors supported, including LC sensors and capacitive buttons
• Ultra efficient Power-on Reset and Brown-Out Detector
• Debug Interface
• 2-pin Serial Wire Debug interface
• 1-pin Serial Wire Viewer
• Embedded Trace Module v3.5 (ETM)
• Temperature range -40 - 85ºC
• Single power supply 1.85 - 3.8 V
• Packages
• QFN64
• TQFP64
• LQFP100
• LFBGA112
• VFBGA120
3.3 Block Diagram
A block diagram of EFM32GG is shown in Figure 3.1 (p. 7) . The color indicates peripheral availability
in energy modes as described in Section 3.4 (p. 7) .