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| AT86RF233 REB233-XPRO扩展板无线收发器评估方案 |
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| 文章来源： 更新时间：2015/1/9 13:23:00 |
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Atmel 公司的AT86RF233是富有特性极低功耗的单片2.4GHz无线收发器,接收器灵敏度-101dBm,可编程输出功率从-17dBm到+40dBm, 工作电压1.8V-3.6V,深度睡眠的功耗为0.02uA,主要用于 2.4GHz IEEE 802.15.4和ZigBee系统,RF4CE系统,能量收获系统,6LoWPAN系统,工业控制,住宅区和商业自动化,医疗保健,消费类电子和PC外设等.本文介绍了AT86RF233主要特性,方框图,基本和扩展特性应用电路,以及REB233-XPRO扩展板主要特性,框图,电路图,材料清单和 PCB设计图.
The Atmel AT86RF233 is a feature rich, extremely low-power 2.4GHz radio transceiver designed for industrial and consumer ZigBee/IEEE 802.15.4, RF4CE, 6LoWPAN, and high data rate 2.4GHz ISM band applications.
The AT86RF233 is a true SPI-to-antenna solution. All RF-critical components except the antenna, crystal, and de-coupling capacitors are integrated on-chip. MAC and AES hardware accelerators improve overall system power efficiency and timing. Therefore, the AT86RF233 is particularly suitable for applications like:
• 2.4GHz IEEE 802.15.4 and ZigBee systems
• RF4CE systems
• Energy Harvesting systems
• 6LoWPAN systems
• Wireless sensor networks
• Industrial Control
• Residential and commercial automation
• Health care
• Consumer electronics
• PC peripherals
AT86RF233主要特性:
• High Performance RF-CMOS 2.4GHz radio transceiver targeted for IEEE® 802.15.4, ZigBee®, RF4CE, 6LoWPAN, and ISM applications
• Industry leading link budget:
• Receiver sensitivity -101dBm
• Programmable TX output power from -17dBm up to +4dBm
• Ultra-low current consumption:
• DEEP_SLEEP = 0.02μA
• TRX_OFF = 300μA
• RX_ON = 11.8mA (LISTEN)
• Smart Receiving Techniques enable further current reduction in LISTEN mode between 10 to 50% from 11.8mA
• Desensitation will enable further reduction up to 1mA
• BUSY_TX = 13.8mA (at max. transmit power)
• Ultra-low supply voltage (1.8V to 3.6V) with internal regulator
• Support for coin cell operation
• Optimized for low BoM Cost and ease of production:
• Few external components necessary (crystal, capacitors and antenna)
• Easy to use interface:
• Registers, frame buffer, and AES accessible through fast SPI
• Only two microcontroller GPIO lines necessary
• One interrupt pin from radio transceiver
• Clock output with prescaler from radio transceiver
• Radio transceiver features:
• 128-byte FIFO (SRAM) for data buffering
• Fully integrated, fast settling PLL to support Frequency Hopping
• Supports 500kHz channel spacing
• Battery monitor and Fast Wake-Up Time < 0.4msec
• Special IEEE 802.15.4™ 2011 hardware support:
• FCS computation and Clear Channel Assessment
• RSSI measurement, Energy Detection and Link Quality Indication
• MAC hardware accelerator:
• Automated acknowledgement, CSMA-CA and retransmission
• Automatic address filtering
• Automated FCS check
• Extended feature set hardware support:
• AES 128-bit hardware accelerator
• Antenna Diversity and RX/TX indication
• Supported PSDU data rates: 250kb/s, 500kb/s, 1000kb/s and 2000kb/s
• True Random Number Generation for security application
• Reduced Power Consumption modes
• Time and phase measurement support
• Industrial and extended temperature range:
• -40°C to +85°C and -40℃ to +125℃
• I/O and packages:
• 32-pin Low-Profile QFN Package 5 x 5 x 0.9mm³
• RoHS/Fully Green
• Compliant to EN 300 328/440, FCC-CFR-47 Part 15, ARIB STD-66, RSS-210
• Compliant to IEEE 802.15.4 2003/2006/2011
图1. AT86RF233框图
图2. AT86RF233应用电路图
图3. AT86RF233扩展特性应用电路图
REB233-XPRO扩展板
This user guide describes how to get started with the Atmel® REB233-XPRO extension board.
The extension boards is targeted for evaluating the features of the Atmel AT86RF233 radio transceiver.
Xplained Pro is an evaluation platform that provides the full Atmel microcontroller experience. The platform consists of a series of Microcontroller (MCU) boards and extension boards that are integrated with Atmel Studio, have Atmel Software Framework (ASF) drivers and demo code, support data streaming and more.
Xplained Pro MCU boards support a wide range of Xplained Pro extension boards that are connected through a set of standardized headers and connectors. Each extension board has an identification (ID) chip to uniquely identify which boards are mounted on a Xplained Pro MCU board.
图4. REB233-XPRO扩展板外形图
图5. REB233-XPRO扩展板电路图(1)
图6. REB233-XPRO扩展板电路图(2)
REB233-XPRO扩展板材料清单:
图7. REB233-XPRO扩展板PCB设计图(顶层)
图8. REB233-XPRO扩展板PCB设计图(底层)
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