RF69 Datasheet, PDF (3/81 Pages) List of Unclassifed Manufacturers – Low Power Integrated UHF Transceiver with On-Chip +20dBm PA

RF69
3.4.8. Complex Filter - OOK ............................................................................................................................... 27
3.4.9. RSSI ......................................................................................................................................................... 27
3.4.10. Cordic ..................................................................................................................................................... 28
3.4.11. FSK Demodulator ....................................................................................................................................29
3.4.12. OOK Demodulator .................................................................................................................................. 29
3.4.13. Bit Synchronizer ..................................................................................................................................... 31
3.4.14. Frequency Error Indicator....................................................................................................................... 31
3.4.15. Automatic Frequency Correction ............................................................................................................ 32
3.4.16. Optimized Setup for Low Modulation Index Systems ............................................................................. 33
3.4.17. Temperature Sensor ............................................................................................................................... 34
3.4.18. Timeout Function.................................................................................................................................... 34
4. Operating Modes .................................................................................................................................................... 35
4.1. Basic Modes.................................................................................................................................................. 35
4.2. Automatic Sequencer and Wake-Up Times .................................................................................................. 35
4.2.1. Transmitter Startup Time ..........................................................................................................................36
4.2.2. Tx Start Procedure ................................................................................................................................... 36
4.2.3. Receiver Startup Time.............................................................................................................................. 36
4.2.4. Rx Start Procedure ................................................................................................................................... 38
4.2.5. Optimized Frequency Hopping Sequences .............................................................................................. 38
4.3. Listen Mode..................................................................................................................................................... 39
4.3.1. Timings ..................................................................................................................................................... 39
4.3.2. Criteria ...................................................................................................................................................... 40
4.3.3. End of Cycle Actions ................................................................................................................................ 40
4.3.4. Stopping Listen Mode............................................................................................................................... 41
4.3.5. RC Timer Accuracy .................................................................................................................................. 41
4.4. AutoModes ...................................................................................................................................................... 42
5. Data Processing...................................................................................................................................................... 43
5.1. Overview ......................................................................................................................................................... 43
5.1.1. Block Diagram .......................................................................................................................................... 43
5.1.2. Data Operation Modes ............................................................................................................................. 43
5.2. Control Block Description.............................................................................................................................. 44
5.2.1. SPI Interface............................................................................................................................................... 44
5.2.2. FIFO ........................................................................................................................................................... 45
5.2.3. Sync W ord Recognition ............................................................................................................................ 46
5.2.4. Packet Handler ......................................................................................................................................... 47
5.2.5. Control ........................................................................................................................................................ 47
5.3. Digital IO Pins Mapping................................................................................................................................. 47
5.3.1. DIO Pins Mapping in Continuous Mode ................................................................................................... 48
5.3.2. DIO Pins Mapping in Packet Mode .......................................................................................................... 48
5.4. Continuous Mode ........................................................................................................................................... 49
5.4.1. General Description................................................................................................................................... 49
5.4.2. Tx Processing............................................................................................................................................ 49
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