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EM2420 Datasheet, PDF (4/89 Pages) List of Unclassifed Manufacturers – 2.4 GHz IEEE 802.15.4 / ZigBee RF Transceiver
EM2420
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
Ember Part Number: 120-0049-000C
EM2420 Datasheet
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