CC2420
目录
1
2
3
4
5
6
缩略语_________________________________________________________________ 5
参考___________________________________________________________________ 6
特点_____________________________________________________________________ 7
绝对最大额定值_____________________________________________________ 8
工作条件__________________________________________________________ 8
电气规格________________________________________________________ 9
6.1
总体___________________________________________________________________ 9
6.2
发射部分___________________________________________________________ 9
6.3
接收部分___________________________________________________________ 10
6.4
RSSI /载波侦听_______________________________________________________ 11
6.5
中频部分________________________________________________________________ 11
6.6
频率合成器部分_______________________________________________ 11
6.7
数字输入/输出______________________________________________________ 12
6.8
电压调节器_________________________________________________________ 13
6.9
电池监视器___________________________________________________________ 13
6.10电源_____________________________________________________________ 13
引脚分配______________________________________________________________ 15
电路描述___________________________________________________________ 17
应用电路___________________________________________________________ 19
9.1
输入/输出匹配_____________________________________________________ 19
9.2
偏置电阻______________________________________________________________ 19
9.3
水晶__________________________________________________________________ 19
9.4
稳压__________________________________________________________ 19
9.5
电源去耦和滤波_________________________________________ 19
IEEE 802.15.4调制格式____________________________________________ 24
配置概述_____________________________________________________ 25
评估软件________________________________________________________ 26
7
8
9
10
11
12
13
4线串行配置和数据接口__________________________________ 27
13.1引脚配置__________________________________________________________ 27
13.2寄存器访问____________________________________________________________ 27
13.3状态字节_______________________________________________________________ 28
13.4命令选通_________________________________________________________ 29
13.5 RAM访问______________________________________________________________ 29
13.6 FIFO访问______________________________________________________________ 31
13.7多SPI访问________________________________________________________ 31
14
微控制器接口和引脚说明___________________________________ 32
14.1配置接口_____________________________________________________ 32
14.2接收mode_____________________________________________________________ 33
14.3 RXFIFO溢出_________________________________________________________ 33
14.4发送模式____________________________________________________________ 34
14.5一般控制和状态引脚_______________________________________________ 35
15
解调器，符号同步器和数据决策___________________________ 35
16
帧格式_____________________________________________________________ 36
16.1同步头_____________________________________________________ 36
16.2长度字段______________________________________________________________ 37
16.3 MAC协议数据单元_____________________________________________________ 37
16.4帧校验序列______________________________________________________ 38
SWRS041c
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