参数资料
型号: CC2480A1RTC
厂商: Texas Instruments
文件页数: 27/48页
文件大小: 0K
描述: IC Z-ACCEL ZIGBEE PROC 48-VQFN
产品培训模块: RFID Technology and Applications
标准包装: 260
系列: CC2480
频率: 2.4GHz
数据传输率 - 最大: 115kBaud
调制或协议: 802.15.4 Zigbee
应用: AMR,ISM,SRD
功率 - 输出: 0dBm
灵敏度: -92dBm
电源电压: 2 V ~ 3.6 V
电流 - 接收: 27mA
数据接口: PCB,表面贴装
天线连接器: PCB,表面贴装
工作温度: -40°C ~ 85°C
封装/外壳: 48-VFQFN 裸露焊盘
包装: 托盘
配用: EZ430-RFZACC06-ND - EZ430-RFZACC06
296-23357-ND - KIT DEMO FOR CC2480
其它名称: 296-23580
CC2480
9.4
9.4.1
Random Number Generator
Introduction
The random number
following features.
generator has
the
The random number generator is a 16-bit
Linear Feedback Shift Register (LFSR) with
+ X + X + 1 (i.e. CRC16).
polynomial X
?
Generate pseudo-random bytes which can
be read by the external microprocessor.
16 15 2
It uses different levels of unrolling depending
on the operation it performs. The basic version
(no unrolling) is shown in Figure 8.
15
+
14
13
12
11
10
9
8
7
6
5
4
3
2
+
1
0
in_bit
+
Figure 8: Basic structure of the Random Number Generator
9.4.2
Semi random sequence generation
The operation is to clock the LFSR once (13x
leads to the availability of a fresh pseudo-
unrolling)
each time the external
random byte from the LSB end of the LFSR.
microprocessor reads the random value. This
CC2480 Data Sheet SWRS074
Page 27 of 43
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