Page 3

RF65

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5.4.1. General Description.................................................................................................................................. 43

5.4.2. Rx Processing .......................................................................................................................................... 43

5.5.

Packet Mode ................................................................................................................................................. 44

5.5.1. General Description.................................................................................................................................. 44

5.5.2. Packet Format .......................................................................................................................................... 44

5.5.3. Processing (without AES)......................................................................................................................... 47

5.5.4. AES .......................................................................................................................................................... 47

5.5.5. Handling Large Packets ........................................................................................................................... 48

5.5.6. Packet Filtering......................................................................................................................................... 48

5.5.7. DC-Free Data Mechanisms ...................................................................................................................... 50

Configuration and Status Registers ...................................................................................................................... 52

6.1.

General Description ...................................................................................................................................... 52

6.2.

Common Configuration Registers ................................................................................................................. 55

6.3.

Receiver Registers ........................................................................................................................................ 58

ADVANCED COMMUNICATIONS & SENSING

DATASHEET

3.4.18. Temperature Sensor ............................................................................................................................29

3.4.19. Timeout Function.................................................................................................................................... 29

4.

Operating Modes .................................................................................................................................................. 30

4.1.

Basic Modes.................................................................................................................................................. 30

4.2.

Automatic Sequencer and Wake-Up Times .................................................................................................30

4.2.1. Receiver Startup Time.............................................................................................................................30

4.2.2. Rx Start Procedure ..................................................................................................................................32

4.2.3. Optimized Frequency Hopping Sequences ..............................................................................................32

4.3.

Listen Mode ................................................................................................................................................... 33

4.3.1. Timings ..................................................................................................................................................... 33

4.3.2. Criteria ...................................................................................................................................................... 34

4.3.3. End of Cycle Actions ............................................................................................................................... 34

4.3.4. RC Timer Accuracy ..................................................................................................................................35

4.4.

AutoModes .................................................................................................................................................... .36

5.

Data Processing.................................................................................................................................................... . 37

5.1.

Overview ......................................................................................................................................................... 37

5.1.1. Block Diagram ..........................................................................................................................................37

5.1.2. Data Operation Modes .............................................................................................................................37

5.2.

Control Block Description.............................................................................................................................. 38

5.2.1. SPI Interface.............................................................................................................................................. 38

5.2.2. FIFO .......................................................................................................................................................... 39

5.2.3. Sync Word Recognition ............................................................................................................................ 40

5.2.4. Packet Handler ......................................................................................................................................... 41

5.2.5. Control ........................................................................................................................................................ 41

5.3.

Digital IO Pins Mapping ................................................................................................................................... 42

5.3.1. DIO Pins Mapping in Continuous Mode ................................................................................................... 42

5.3.2. DIO Pins Mapping in Packet Mode .......................................................................................................... 42

5.4.

Continuous Mode ............................................................................................................................................ 43

6.