目 录
第 1 章 ZigBee 无线通信技术................................................................................................................................1
1.1 引言...........................................................................................................................................................1
1.1.1 ZigBee 的起源...............................................................................................................................2
1.1.2 ZigBee 技术概述...........................................................................................................................2
1.2 几种短距离无线通讯技术.......................................................................................................................3
1.2.1 Wi-Fi(IEEE 802.11)..................................................................................................................3
1.2.2 超宽带通信 UWB..........................................................................................................................3
1.2.3 近场通信 NFC...............................................................................................................................4
1.2.4 蓝牙................................................................................................................................................4
1.2.5 红外线数据通信 IrDA...................................................................................................................4
1.2.6 ZigBee............................................................................................................................................5
1.3 短距离无线通信协议的比较...................................................................................................................5
1.3.1 ZigBee 与蓝牙技术的比较...........................................................................................................6
1.3.2 ZigBee 与 UWB 技术的比较........................................................................................................7
1.3.3 ZigBee 与 Wi-Fi 技术的比较........................................................................................................8
1.3.4 ZigBee 与现有移动网络(GPRS、CDMA)的比较.................................................................9
第 2 章 IEEE 802.15.4 标准..................................................................................................................................10
2.1 IEEE 802.15.4 主要特点........................................................................................................................10
2.2 物理层(PHY)规范.............................................................................................................................13
2.3 媒体访问控制层(MAC)规范............................................................................................................16
第 3 章 2.4GHz 无线收发芯片 CC2420..............................................................................................................22
3.1 CC2420 的主要性能特点.......................................................................................................................22
3.1.1 引脚分配......................................................................................................................................23
3.1.2 电路描述......................................................................................................................................24
3.2 SPI 4 线串行配置和数据接口...............................................................................................................25
3.2.1 引脚配置......................................................................................................................................25
3.2.2 寄存器访问..................................................................................................................................26
3.2.3 状态字节......................................................................................................................................27
3.2.4 RAM 访问....................................................................................................................................28
3.2.5 FIFO 存取....................................................................................................................................29
3.3 帧格式.....................................................................................................................................................31
3.3.1 同步头..........................................................................................................................................31
3.3.2 长度域..........................................................................................................................................32
3.3.3 MAC 协议数据单元....................................................................................................................32
3.3.4 帧检查序列..................................................................................................................................33
3.4 RF 数据缓存...........................................................................................................................................33
3.4.1 缓存发送模式..............................................................................................................................34
3.4.2 缓存接收模式..............................................................................................................................34
3.4.3 非缓存,串行模式......................................................................................................................34
3.5 地址识别.................................................................................................................................................35
3.6 应答帧模式.............................................................................................................................................36
3.7 RSSI/能量检测.......................................................................................................................................36
3.8 链接质量指示.........................................................................................................................................37
3.9 频率和信道编程.....................................................................................................................................38
3.10 CC2420 寄存器.....................................................................................................................................38
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