EM2420DK datasheet(4/89 Pages) ETC

Part #	EM2420DK

Description	2.4 GHz IEEE 802.15.4 / ZigBee RF Transceiver

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EM2420

Ember Part Number: 120-0049-000

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EM2420 Datasheet

Page 4 of 89

Nonce / counter _________________________________________________________________44

Stand-alone encryption ___________________________________________________________45

In-line security operations _________________________________________________________45

CTR mode encryption / decryption __________________________________________________46

CBC-MAC_____________________________________________________________________46

CCM _________________________________________________________________________46

Timing ________________________________________________________________________47

Linear IF and AGC Settings________________________________________________________48

RSSI / Energy Detection ___________________________________________________________48

Link Quality Indication ___________________________________________________________49

Clear Channel Assessment _________________________________________________________50

Frequency and Channel Programming _______________________________________________51

VCO and PLL Self-Calibration _____________________________________________________51

VCO _________________________________________________________________________51

PLL self-calibration______________________________________________________________51

Output Power Programming _______________________________________________________52

Voltage Regulator ________________________________________________________________53

Battery Monitor__________________________________________________________________53

Crystal Oscillator ________________________________________________________________55

Input / Output Matching __________________________________________________________56

Transmitter Test Modes ___________________________________________________________56

Unmodulated carrier _____________________________________________________________56

Modulated spectrum _____________________________________________________________57

System Considerations and Guidelines _______________________________________________59

Frequency hopping and multi-channel systems_________________________________________59

Data burst transmissions __________________________________________________________59

Crystal accuracy and drift _________________________________________________________59

Communication robustness ________________________________________________________59

Communication security __________________________________________________________59

Low cost systems________________________________________________________________60

Battery operated systems__________________________________________________________60

BER / PER measurements _________________________________________________________60

PCB Layout Recommendations _____________________________________________________61

Antenna Considerations ___________________________________________________________61

Configuration Registers ___________________________________________________________63

Test Output Signals_______________________________________________________________84

Package Description (QLP 48) ______________________________________________________86

Package thermal properties ________________________________________________________86

Soldering information ____________________________________________________________87

Plastic tube specification __________________________________________________________87

Carrier tape and reel specification___________________________________________________87

Ordering Information _____________________________________________________________88

General Information ______________________________________________________________89

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EM2420DK Datasheet(PDF) 4 Page - List of Unclassifed Manufacturers

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