CC2420 Chipcon AS, CC2420 Datasheet - Page 2

• Manufacturer Part Number: CC2420
• Description: 2.4 GHz RF Transceiver for IEEE 802.15.4 and ZigBee
• Manufacturer: Chipcon AS

Table of contents
Abbreviations_____________________________________________________________________4
References _______________________________________________________________________5
Features _________________________________________________________________________6
Absolute Maximum Ratings _________________________________________________________7
Electrical Specifications ____________________________________________________________8
Pin Assignment __________________________________________________________________13
Circuit Description _______________________________________________________________15
Application Circuit _______________________________________________________________17
IEEE 802.15.4 Modulation Format __________________________________________________21
Configuration Overview ___________________________________________________________22
Evaluation Software ______________________________________________________________22
4-wire Serial Configuration and Data Interface________________________________________23
Microcontroller Interface and Pin Description ________________________________________28
Demodulator, Symbol Synchroniser and Data Decision _________________________________31
Frame Format ___________________________________________________________________31
RF Data Buffering ________________________________________________________________34
Address Recognition ______________________________________________________________36
Acknowledge Frames _____________________________________________________________37
Radio control state machine ________________________________________________________39
MAC Security Operations (Encryption and Authentication) _____________________________41
Chipcon AS SmartRF® CC2420 Preliminary Datasheet (rev 1.0), 2003-11-17
Input / output matching ___________________________________________________________17
Bias resistor ____________________________________________________________________17
Crystal ________________________________________________________________________17
Voltage regulator________________________________________________________________17
Power supply decoupling and filtering _______________________________________________17
Register access _________________________________________________________________23
Status byte _____________________________________________________________________24
Command strobes _______________________________________________________________25
RAM access____________________________________________________________________25
FIFO access ____________________________________________________________________27
Multiple SPI access ______________________________________________________________27
Configuration interface ___________________________________________________________28
Receive mode __________________________________________________________________29
RXFIFO overflow _______________________________________________________________29
Transmit mode__________________________________________________________________30
General control and status pins _____________________________________________________30
Synchronisation header ___________________________________________________________32
Length field ____________________________________________________________________33
MAC protocol data unit___________________________________________________________33
Frame check sequence____________________________________________________________33
Buffered transmit mode___________________________________________________________35
Buffered receive mode ___________________________________________________________35
Un-buffered, serial mode__________________________________________________________35
Keys__________________________________________________________________________41
SmartRF
®
CC2420
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