基于Silabs公司的EFM32HG322F64 32位ARM MCU开发方案
原标题:Silabs EFM32HG322F64 32位ARM MCU开发方案
Silabs公司的EFM32HG322F64是基于32位ARM Cortex-M0+核的低功耗微控制器,工作频率高达25MHz,采用创新的低能耗技术,短叫醒时间,以及各种外设,非常适合用在以电池为能源的应用和高性能低功耗的系统.本文介绍了EFM32HG322F64主要特性,框图,以及入门套件EFM32HG-SLSTK3400A主要特性和电路图.
The EFM32 MCUs are the world’s most energy friendly microcontrollers. With a unique combinationof the powerful 32-bit ARM Cortex-M0+, innovative low energy techniques, short wake-up time fromenergy saving modes, and a wide selection of peripherals, the EFM32HG microcontroller is well suitedfor any battery operated application as well as other systems requiring high performance and low-energyconsumption. This section gives a short introduction to each of the modules in general terms and alsoshows a summary of the configuration for the EFM32HG322 devices. For a complete feature set andin-depth information on the modules, the reader is referred to the EFM32HG Reference Manual.
EFM32HG322F64主要特性:
• ARM Cortex-M0+ CPU platform
• High Performance 32-bit processor @ up to 25 MHz
• Wake-up Interrupt Controller
• Flexible Energy Management System
• 20 nA @ 3 V Shutoff Mode
• 0.6 μA @ 3 V Stop Mode, including Power-on Reset, Brown-outDetector, RAM and CPU retention
• 0.9 μA @ 3 V Deep Sleep Mode, including RTC with 32.768 kHzoscillator, Power-on Reset, Brown-out Detector, RAM and CPUretention
• 53 μA/MHz @ 3 V Sleep Mode
• 132 μA/MHz @ 3 V Run Mode, with code executed from flash
• 64/32 KB Flash
• 8/8 KB RAM
• 35 General Purpose I/O pins
• Configurable push-pull, open-drain, pull-up/down, input filter, drivestrength
• Configurable peripheral I/O locations
• 16 asynchronous external interrupts
• Output state retention and wake-up from Shutoff Mode
• 6 Channel DMA Controller
• 6 Channel Peripheral Reflex System (PRS) for autonomous inter-peripheral signaling
• Hardware AES with 128-bit keys in 54 cycles
• Timers/Counters
• 3× 16-bit Timer/Counter
• 3×3 Compare/Capture/PWM channels
• Dead-Time Insertion on TIMER0
• 1× 24-bit Real-Time Counter
• 1× 16-bit Pulse Counter
• Watchdog Timer with dedicated RC oscillator @ 50 nA
• Communication interfaces
• 2× Universal Synchronous/Asynchronous Receiver/Transmitter
• UART/SPI/SmartCard (ISO 7816)/IrDA/I2S
• Triple buffered full/half-duplex operation
• Low Energy UART
• Autonomous operation with DMA in Deep SleepMode
• I2C Interface with SMBus support
• Address recognition in Stop Mode
• Low Energy Universal Serial Bus (USB) Device
• Fully USB 2.0 compliant
• On-chip PHY and embedded 5V to 3.3V regulator
• Crystal-free operation
• Ultra low power precision analog peripherals
• 12-bit 1 Msamples/s Analog to Digital Converter
• 4 single ended channels/2 differential channels
• On-chip temperature sensor
• Current Digital to Analog Converter
• Selectable current range between 0.05 and 64 uA
• 1× Analog Comparator
• Capacitive sensing with up to 5 inputs
• Supply Voltage Comparator
• Ultra efficient Power-on Reset and Brown-Out Detector
• Debug Interface
• 2-pin Serial Wire Debug interface
• Micro Trace Buffer (MTB)
• Pre-Programmed USB/UART Bootloader
• Temperature range -40 to 85 ºC
• Single power supply 1.98 to 3.8 V
• TQFP48 package
• Preliminary - This datasheet revision applies to a productunder development
EFM32HG322F64主要应用:
• Energy, gas, water and smart metering
• Health and fitness applications
• Smart accessories
• Alarm and security systems
• Industrial and home automation
图1。EFM32HG322F64框图
入门套件EFM32HG-SLSTK3400A
The EFM32HG-SLSTK3400A is an excellent starting point to getfamiliar with the EFM32 Happy Gecko microcontrollersSupported by simplicity Studio, the starter kit contains sensors and peripherals, touch-buttons, LEDs, Si7021 Digital Relative Humidity and Temperature Sensor, memoryLCD and simplicity header, demonstrating some of the MCU’s many capabilities and can serve as a starting point for application development. The SLSTK3400A includes AEM (Advanced Energy Monitoring) and the Energy Profiler capabilities allowing real-time energy profiling of your application. This kit has two AEM-channels, one for measuring the current consumption in self-powered mode, and one for monitoring the VBUS-current when the chip is USB-powered.
入门套件EFM32HG-SLSTK3400A包括:
• EFM32 Happy Gecko Starter Kit board
• 1 x mini USB cable
• 1 x micro USB cable
• 1 x CR2032 coin cell battery
• Getting Started card
• USB flash drive with Simplicity Studio
入门套件EFM32HG-SLSTK3400A主要特性:
EFM32HG322F64 with 64 kB Flash and 8 kB RAM
Advanced Energy Monitoring system for precise current tracking
Real-time energy and power profiling
Integrated SEGGER J-Link USB debugger/emulator with debug out functionality
Can be used as stand-alone debugger/emulator
128x128 Pixel Memory LCD
20 pin expansion header
Breakout pads for easy access to I/O pins
Power sources (USB and CR2032 battery)
2 user buttons, 2 user LEDs and 2 touch buttons
Silicon Labs Si7021 Relative Humidity/Temperature sensor
USB device interface
Supported by Simplicity Studio
图2。入门套件EFM32HG-SLSTK3400A外形图
责任编辑:HanFeng
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