공부/EFM32 2012. 11. 9. 14:22

-ARM Cortex-M3 CPU platform
• High Performance 32-bit processor @ up to 48 MHz
• Memory Protection Unit
-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
• 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 (출력상태유지)
-12 Channel DMA Controller
-12 Channel Peripheral Reflex System (PRS) for autonomous inter-peripheral signaling

(CPU와 관계없이 자율적으로 동작하는 PRS)
-Hardware AES with 128/256-bit keys in 54/75 cycles (H/W 암호화 모듈)
-Timers/Counters
• 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 (전용 RC발진, Watchdog timer)
-Integrated LCD Controller for up to 8×34 segments
• Voltage boost, adjustable contrast and autonomous animation (CPU와 관계없는 자율적인 애니메이션)
-Backup Power Domain
• RTC and retention registers in a separate power domain, available in all energy modes

(모든 에너지 모드에서 사용하는 RTC,전원관리기)
• Operation from backup battery when main power drains out

-External Bus Interface for up to 4×256 MB of external memory mapped space
• TFT Controller with Direct Drive
-Communication interfaces
• 3× Universal Synchronous/Asynchronous Receiver/Transmitter
• UART/SPI/SmartCard (ISO 7816)/IrDA/I2S
• 2× Universal Asynchronous Receiver/Transmitter
• 2× Low Energy UART
• Autonomous operation with DMA in Deep Sleep Mode (sleep 상태에서 동작)
• 2× I2C Interface with SMBus support
• Address recognition in Stop Mode
• Universal Serial Bus (USB) with Host and OTG support
• 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 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)
-Pre-Programmed Serial Bootloader
-Temperature range -40 to 85 ºC
-Single power supply 1.85 to 3.8 V
-BGA112 package

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