Texas Instruments 3138 155 232931 User Manual download pdf

CC2420

SWRS041B Page 1 of 89

2.4 GHz IEEE 802.15.4 / ZigBee-ready RF Transceiver

Applications

 2.4 GHz IEEE 802.15.4 systems

 ZigBee systems

 Home/building automation

 Industrial Control

 Wireless sensor networks

 PC peripherals

 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 data rate 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 worldwide regulations

covered by ETSI EN 300 328 and EN 300

440 class 2 (Europe), FCC CFR47 Part 15

(US) and ARIB STD-T66 (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

controller and allow

CC2420

to interface

low-cost microcontrollers.

The configuration interface and transmit /

receive FIFOs of

CC2420

are accessed via

an 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 m CMOS.

Key Features

 True single-chip 2.4 GHz IEEE

802.15.4 compliant RF transceiver

with baseband modem and MAC

support

 DSSS baseband modem with 2

MChips/s and 250 kbps effective data

rate.

 Suitable for both RFD and FFD

operation

 Low current consumption (RX: 18.8

mA, TX: 17.4 mA)

 Low supply voltage (2.1 – 3.6 V) with

integrated voltage regulator

 Low supply voltage (1.6 – 2.0 V) with

external voltage regulator

 Programmable output power

 No external RF switch / filter needed

 I/Q low-IF receiver

 I/Q direct upconversion transmitter

 Very few external components

 128(RX) + 128(TX) byte data buffering

 Digital RSSI / LQI support

 Hardware MAC encryption (AES-128)

 Battery monitor

 QLP-48 package, 7x7 mm

 Complies with ETSI EN 300 328, EN

300 440 class 2, FCC CFR-47 part 15

and ARIB STD-T66

 Powerful and flexible development

tools available

1 2 3 4 5 6 ... 89 90

Summary of Contents

Page 1 - Key Features

CC2420 SWRS041B

Page 2

CC2420 SWRS041B

Page 3

CC2420 SWRS041B

Page 4

CC2420 SWRS041B

Page 5 - 1 Abbreviations

CC2420 SWRS041B

Page 6 - 2 References

CC2420 SWRS041B

Page 7 - 3 Features

CC2420 SWRS041B

Page 8 - 5 Operating Conditions

CC2420 SWRS041B

Page 9 - 6 Electrical Specifications

CC2420 SWRS041B

Page 10 - 6.3 Receive Section

CC2420 SWRS041B

Page 11

CC2420 SWRS041B

Page 12 - 6.7 Digital Inputs/Outputs

CC2420 SWRS041B

Page 13 - 6.10 Power Supply

CC2420 SWRS041B

Page 14

CC2420 SWRS041B

Page 15 - 7 Pin Assignment

CC2420 SWRS041B

Page 16

CC2420 SWRS041B

Page 17 - SmartRF

CC2420 SWRS041B

Page 18

CC2420 SWRS041B

Page 19 - 9 Application Circuit

CC2420 SWRS041B

Page 20 - Transceiver

CC2420 SWRS041B

Page 21

CC2420 SWRS041B

Page 22

CC2420 SWRS041B

Page 23

CC2420 SWRS041B

Page 24

CC2420 SWRS041B

Page 25 - 11 Configuration Overview

CC2420 SWRS041B

Page 26 - 12 Evaluation Software

CC2420 SWRS041B

Page 27 - 13.2 Register access

CC2420 SWRS041B

Page 28 - 13.3 Status byte

CC2420 SWRS041B

Page 29 - 13.5 RAM access

CC2420 SWRS041B

Page 30

CC2420 SWRS041B

Page 31 - 13.7 Multiple SPI access

CC2420 SWRS041B

Page 32 - 14.1 Configuration interface

CC2420 SWRS041B

Page 33 - 14.3 RXFIFO overflow

CC2420 SWRS041B

Page 34 - 14.4 Transmit mode

CC2420 SWRS041B

Page 35

CC2420 SWRS041B

Page 36 - 16 Frame Format

CC2420 SWRS041B

Page 37 - 16.3 MAC protocol data unit

CC2420 SWRS041B

Page 38 - Figure 20

CC2420 SWRS041B

Page 39 - 17 RF Data Buffering

CC2420 SWRS041B

Page 40

CC2420 SWRS041B

Page 41 - 19 Acknowledge Frames

CC2420 SWRS041B

Page 42

CC2420 SWRS041B

Page 43

CC2420 SWRS041B

Page 44

CC2420 SWRS041B

Page 45 - 21.2 Nonce / counter

CC2420 SWRS041B

Page 46 - 21.3 Stand-alone encryption

CC2420 SWRS041B

Page 47 - 21.7 CCM

CC2420 SWRS041B

Page 48 - 23 RSSI / Energy Detection

CC2420 SWRS041B

Page 49 - 24 Link Quality Indication

CC2420 SWRS041B

Page 50 - 25 Clear Channel Assessment

CC2420 SWRS041B

Page 51 - 29 Voltage Regulator

CC2420 SWRS041B

Page 52 - 30 Battery Monitor

CC2420 SWRS041B

Page 53 - 31 Crystal Oscillator

CC2420 SWRS041B

Page 54 - 33 Transmitter Test Modes

CC2420 SWRS041B

Page 55 - 33.2 Modulated spectrum

CC2420 SWRS041B

Page 56

CC2420 SWRS041B

Page 57

CC2420 SWRS041B

Page 58 - 34.8 BER / PER measurements

CC2420 SWRS041B

Page 59 - 36 Antenna Considerations

CC2420 SWRS041B

Page 60

CC2420 SWRS041B

Page 61 - 37 Configuration Registers

CC2420 SWRS041B

Page 62

CC2420 SWRS041B

Page 63 - RESETn reset pin

CC2420 SWRS041B

Page 64 - RSSI_VAL ≥ CCA_THR

CC2420 SWRS041B

Page 65 - RSSI_VAL value

CC2420 SWRS041B

Page 66 - SYNCWORD (0x14) - Sync Word

CC2420 SWRS041B

Page 67

CC2420 SWRS041B

Page 68

CC2420 SWRS041B

Page 69 - FREQ[9:0] MHz

CC2420 SWRS041B

Page 70

CC2420 SWRS041B

Page 71

CC2420 SWRS041B

Page 72 - SFD pin

CC2420 SWRS041B

Page 73

CC2420 SWRS041B

Page 74

CC2420 SWRS041B

Page 75 - AGCCTRL (0x23) - AGC Control

CC2420 SWRS041B

Page 76 - AGC_BLANK_MODE=1

CC2420 SWRS041B

Page 77

CC2420 SWRS041B

Page 78

CC2420 SWRS041B

Page 79

CC2420 SWRS041B

Page 80

CC2420 SWRS041B

Page 81 - 38 Test Output Signals

CC2420 SWRS041B

Page 82 - FSCTRL.LOCK_STATUS

CC2420 SWRS041B

Page 83

CC2420 SWRS041B

Page 84 - 40.2 Soldering information

CC2420 SWRS041B

Page 85 - 41 Ordering Information

CC2420 SWRS041B

Page 86 - 42 General Information

CC2420 SWRS041B

Page 87

CC2420 SWRS041B

Page 88 - Product Information Centers

CC2420 SWRS041B

Page 89

CC2420 SWRS041B

Page 90 - IMPORTANT NOTICE

IMPORTANT NOTICETexas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements,improvemen

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