AT86RF233 datasheet(3/225 Pages) ATMEL

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MCU Wireless AT86RF233 [PRELIMINARY DATASHEET]

Atmel-8351E-MCU_Wireless-AT86RF233_Datasheet_072014

7.2.6 Register Summary............................................................................................................................................................... 68

7.2.7 Register Description ............................................................................................................................................................ 68

8 Functional Description ...............................................................................................................80

8.1 Introduction – IEEE 802.15.4-2006 Frame Format.................................................................................................. 80

8.1.1 PHY Protocol Data Unit (PPDU).......................................................................................................................................... 80

8.1.2 MAC Protocol Data Unit (MPDU)......................................................................................................................................... 82

8.2 Frame Filter.............................................................................................................................................................. 86

8.2.1 Configuration ....................................................................................................................................................................... 87

8.2.2 Handling of Reserved Frame Types .................................................................................................................................... 87

8.2.3 Register Description ............................................................................................................................................................ 88

8.2.4 Register Description – Address Registers ........................................................................................................................... 91

8.3 Frame Check Sequence (FCS) ............................................................................................................................... 96

8.3.1 Overview.............................................................................................................................................................................. 96

8.3.2 CRC Calculation .................................................................................................................................................................. 96

8.3.3 Automatic FCS Generation.................................................................................................................................................. 97

8.3.4 Automatic FCS Check ......................................................................................................................................................... 97

8.3.5 Register Description ............................................................................................................................................................ 97

8.4 Received Signal Strength Indicator (RSSI) ............................................................................................................. 99

8.4.1 Overview.............................................................................................................................................................................. 99

8.4.2 Reading RSSI...................................................................................................................................................................... 99

8.4.3 Data Interpretation............................................................................................................................................................... 99

8.4.4 Register Description .......................................................................................................................................................... 100

8.5 Energy Detection (ED)........................................................................................................................................... 101

8.5.1 Overview............................................................................................................................................................................ 101

8.5.2 Measurement Description.................................................................................................................................................. 101

8.5.3 Data Interpretation............................................................................................................................................................. 102

8.5.4 Interrupt Handling .............................................................................................................................................................. 102

8.5.5 Register Description .......................................................................................................................................................... 103

8.6 Clear Channel Assessment (CCA) ........................................................................................................................ 104

8.6.1 Overview............................................................................................................................................................................ 104

8.6.2 Configuration and Request ................................................................................................................................................ 104

8.6.3 Data Interpretation............................................................................................................................................................. 105

8.6.4 Interrupt Handling .............................................................................................................................................................. 105

8.6.5 Measurement Time............................................................................................................................................................ 105

8.6.6 Register Description .......................................................................................................................................................... 106

8.7 Link Quality Indication (LQI) .................................................................................................................................. 109

8.7.1 Overview............................................................................................................................................................................ 109

8.7.2 Obtaining the LQI Value .................................................................................................................................................... 110

8.7.3 Data Interpretation............................................................................................................................................................. 110

9 Module Description...................................................................................................................111

9.1 Receiver (RX) ........................................................................................................................................................ 111

9.1.1 Overview............................................................................................................................................................................ 111

9.1.2 Frame Receive Procedure................................................................................................................................................. 111

9.1.3 Configuration ..................................................................................................................................................................... 111

9.1.4 Register Description .......................................................................................................................................................... 112

9.2 Transmitter (TX)..................................................................................................................................................... 115

9.2.1 Overview............................................................................................................................................................................ 115

9.2.2 Frame Transmit Procedure................................................................................................................................................ 115

9.2.3 Configuration ..................................................................................................................................................................... 115

9.2.4 TX Power Ramping............................................................................................................................................................ 116

9.2.5 Register Description .......................................................................................................................................................... 116

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