CC2420 Transceiver Datasheet

CC2420 Datasheet PDF, Equivalent


Part Number

CC2420

Description

First Single-chip 2.4 GHZ Ieee 802.15.4 Compliant And Zigbeetm Ready RF Transceiver

Manufacture

Chipcon

Total Page 30 Pages
PDF Download
Download CC2420 Datasheet PDF


CC2420
SmartRF ® CC2420
CC2420
2.4 GHz IEEE 802.15.4 / Zigbee RF Transceiver
Applications
2.4 GHz IEEE 802.15.4 systems
ZigBee systems
Consumer Electronics
Product Description
The CC2420 is a true single-chip 2.4 GHz
IEEE 802.15.4 compliant RF transceiver
designed for low-power and low-voltage
wireless applications. CC2420 includes a
digital direct sequence spread spectrum
baseband modem providing a spreading
gain of 9 dB and an effective datarate of
250 kbps.
The CC2420 is a low-cost, highly integrated
solution for robust wireless communication
in the 2.4 GHz unlicensed ISM band. It
complies with world-wide regulations
covered by EN 300 440 (Europe), CFR47
Part 15 (US) and ARIB STD-T-66 (Japan).
The CC2420 provides extensive hardware
support for packet handling, data
buffering, burst transmissions, data
encryption, data authentication, clear
channel assessment, link quality indication
and packet timing information. These
features reduce the load on the host
Industrial Control
Home/building automation
PC peripherals
controller and allow CC2420 to interface
low-cost microcontrollers.
The configuration interface and transmit /
receive FIFOs of CC2420 are accessed via
a SPI interface. In a typical application
CC2420 will be used together with a
microcontroller and a few external passive
components.
CC2420 is based on Chipcon’s SmartRF®-
03 technology in 0.18 µm CMOS.
Key Features
True single-chip 2.4 GHz IEEE
No external RF switch / filter needed
802.15.4 compliant RF transceiver
I/Q low-IF receiver
with baseband modem and MAC
I/Q direct upconversion transmitter
support
Very few external components
DSSS baseband modem with 2
MChips/s and 250 kbps effective data
128 (RX) + 128 (TX) byte data
buffering
rate.
Suitable for both RFD and FFD
moperation
oLow current consumption (RX: 19.7
.cmA, TX: 17.4 mA)
uLow supply voltage (2.1 – 3.6 V) with
t4integrated voltage regulator
eLow supply voltage (1.6 – 2.0 V) with
eexternal voltage regulator
hProgrammable output power
Digital RSSI / LQI support
Hardware MAC encryption (AES-128)
Battery monitor
QLP-48 package, 7x7 mm
Complies with EN 300 440 and FCC
CFR-47 part 15, ARIB STD-T-66
Powerful and flexible development
tools available
tasThis document contains information on a pre-production product. Specifications and information herein are subject to
change without notice.
www.da Chipcon AS SmartRF® CC2420 Preliminary Datasheet (rev 1.0), 2003-11-17
Page 1 of 85

CC2420
SmartRF ® CC2420
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
Input / output matching ___________________________________________________________17
Bias resistor ____________________________________________________________________17
Crystal ________________________________________________________________________17
Voltage regulator________________________________________________________________17
Power supply decoupling and filtering _______________________________________________17
IEEE 802.15.4 Modulation Format __________________________________________________21
Configuration Overview ___________________________________________________________22
Evaluation Software ______________________________________________________________22
4-wire Serial Configuration and Data Interface________________________________________23
Register access _________________________________________________________________23
Status byte _____________________________________________________________________24
Command strobes _______________________________________________________________25
RAM access____________________________________________________________________25
FIFO access ____________________________________________________________________27
Multiple SPI access ______________________________________________________________27
Microcontroller Interface and Pin Description ________________________________________28
Configuration interface ___________________________________________________________28
Receive mode __________________________________________________________________29
RXFIFO overflow _______________________________________________________________29
Transmit mode__________________________________________________________________30
General control and status pins _____________________________________________________30
Demodulator, Symbol Synchroniser and Data Decision _________________________________31
Frame Format ___________________________________________________________________31
Synchronisation header ___________________________________________________________32
Length field ____________________________________________________________________33
MAC protocol data unit___________________________________________________________33
Frame check sequence____________________________________________________________33
RF Data Buffering ________________________________________________________________34
Buffered transmit mode___________________________________________________________35
Buffered receive mode ___________________________________________________________35
Un-buffered, serial mode__________________________________________________________35
Address Recognition ______________________________________________________________36
Acknowledge Frames _____________________________________________________________37
Radio control state machine ________________________________________________________39
MAC Security Operations (Encryption and Authentication) _____________________________41
Keys__________________________________________________________________________ 41
Chipcon AS SmartRF® CC2420 Preliminary Datasheet (rev 1.0), 2003-11-17
Page 2 of 85


Features SmartRF ® CC2420 CC2420 2.4 GHz IEEE 80 2.15.4 / Zigbee RF Transceiver Applicat ions • • • 2.4 GHz IEEE 802.15.4 systems ZigBee systems Consumer Electro nics • • • Industrial Control Hom e/building automation PC peripherals P roduct Description The CC2420 is a true single-chip 2.4 GHz IEEE 802.15.4 comp liant RF transceiver designed for low-p ower and low-voltage wireless applicati ons. CC2420 includes a digital direct s equence spread spectrum baseband modem providing a spreading gain of 9 dB and an effective datarate of 250 kbps. The CC2420 is a low-cost, highly integrated solution for robust wireless communica tion in the 2.4 GHz unlicensed ISM band . It complies with world-wide regulatio ns covered by EN 300 440 (Europe), CFR4 7 Part 15 (US) and ARIB STD-T-66 (Japan ). The CC2420 provides extensive hardwa re support for packet handling, data bu ffering, burst transmissions, data encr yption, data authentication, clear chan nel assessment, link quality indication and packet timing information. These.
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