CC2420ZRTC Datasheet, PDF (3/96 Pages) Texas Instruments – 2.4 GHz IEEE 802.15.4 / ZigBee-ready RF Transceiver

CC2420
17 RF Data Buffering __________________________________________________________ 39
17.1 Buffered transmit mode _____________________________________________________ 39
17.2 Buffered receive mode ______________________________________________________ 39
17.3 Unbuffered, serial mode ____________________________________________________ 40
18 Address Recognition ________________________________________________________ 41
19 Acknowledge Frames _______________________________________________________ 41
20 Radio control state machine __________________________________________________ 43
21 MAC Security Operations (Encryption and Authentication) _______________________ 45
21.1 Keys ____________________________________________________________________ 45
21.2 Nonce / counter ___________________________________________________________ 45
21.3 Stand-alone encryption _____________________________________________________ 46
21.4 In-line security operations ___________________________________________________ 46
21.5 CTR mode encryption / decryption ____________________________________________ 47
21.6 CBC-MAC_______________________________________________________________47
21.7 CCM ___________________________________________________________________ 47
21.8 Timing __________________________________________________________________ 48
22 Linear IF and AGC Settings __________________________________________________ 48
23 RSSI / Energy Detection _____________________________________________________ 48
24 Link Quality Indication______________________________________________________ 49
25 Clear Channel Assessment ___________________________________________________ 50
26 Frequency and Channel Programming _________________________________________ 50
27 VCO and PLL Self-Calibration _______________________________________________51
27.1 VCO____________________________________________________________________51
27.2 PLL self-calibration ________________________________________________________ 51
28 Output Power Programming _________________________________________________ 51
29 Voltage Regulator __________________________________________________________ 51
30 Battery Monitor ____________________________________________________________ 52
31 Crystal Oscillator___________________________________________________________ 53
32 Input / Output Matching_____________________________________________________54
33 Transmitter Test Modes _____________________________________________________ 55
33.1 Unmodulated carrier _______________________________________________________ 55
33.2 Modulated spectrum _______________________________________________________ 56
34 System Considerations and Guidelines _________________________________________ 57
34.1 Frequency hopping and multi-channel systems ___________________________________ 57
34.2 Data burst transmissions ____________________________________________________ 57
34.3 Crystal accuracy and drift ___________________________________________________ 57
34.4 Communication robustness __________________________________________________ 57
34.5 Communication security ____________________________________________________ 57
34.6 Low-cost systems__________________________________________________________58
34.7 Battery operated systems ____________________________________________________ 58
34.8 BER / PER measurements ___________________________________________________ 58
35 PCB Layout Recommendations _______________________________________________ 59
36 Antenna Considerations _____________________________________________________ 59
37 Configuration Registers _____________________________________________________ 61
38 Test Output Signals _________________________________________________________ 81
39 Package Description (QLP 48) __________________________ Error! Bookmark not defined.
40 Recommended layout for package (QLP 48) ______________ Error! Bookmark not defined.
SWRS041c
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