CC2520 datasheet(4/133 Pages) TI

4 / 133 page

CC2520 DATASHEET

2.4 GHZ IEEE 802.15.4/ZIGBEE® RF TRANSCEIVER

SWRS068 – DECEMBER 2007

WWW.TI.COM

21 Radio Control State Machine .....................................................................................................85

22 Crystal Oscillator........................................................................................................................ 87

23 External Clock Output ................................................................................................................ 88

24 Random Number Generation..................................................................................................... 89

25 Memory Management Instructions............................................................................................. 91

25.1

RXBUFMOV................................................................................................................... 92

25.2

TXBUFCP ...................................................................................................................... 92

25.3

MEMCP..........................................................................................................................92

25.4

MEMCPR ....................................................................................................................... 92

25.5

MEMXCP ....................................................................................................................... 92

26 Security Instructions................................................................................................................... 93

26.1

Decoding of the Flags Field in CC2520.......................................................................... 93

26.2

INC ................................................................................................................................. 94

26.3

ECB................................................................................................................................ 94

26.4

ECBO ............................................................................................................................. 95

26.5

ECBX ............................................................................................................................. 95

26.6

CTR / UCTR................................................................................................................... 96

26.7

CBC-MAC ...................................................................................................................... 97

26.8

CCM / UCCM ................................................................................................................. 97

26.8.1

Inputs to the CCM and UCCM Instructions ................................................................ 97

26.9

Examples from IEEE802.15.4-2006............................................................................... 98

26.9.1

Authentication Only Using CCM* ............................................................................... 99

26.9.2

Encryption Only Using CCM* ..................................................................................... 99

26.9.3

Combination of Encryption and Authentication Using CCM*.................................... 100

27 Packet Sniffing ......................................................................................................................... 101

28 Registers.................................................................................................................................. 102

28.1

Register Settings Update ............................................................................................. 103

28.2

Register Access Modes................................................................................................ 103

28.3

Register Descriptions ................................................................................................... 105

29 Datasheet Revision History...................................................................................................... 126

30 Packaging Information ............................................................................................................. 127

30.1

Mechanical Data .......................................................................................................... 128

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