RFM65W Datasheet, PDF (5/71 Pages) List of Unclassifed Manufacturers – ISM RECEIVER MODULE

ADVANCED COMMUNICATIONS & SENSING
RFM65W
DATASHEET
Index of Figures
Page
Figure 1. Block Diagram ................................................................................................................................................ 8
Figure 2. Pin Diagram .................................................................................................................................................... 9
Figure 3. Marking Diagram ............................................................................................................................................ 9
Figure 4. TCXO Connection ........................................................................................................................................ 15
Figure 5. Receiver Block Diagram ............................................................................................................................... 17
Figure 6. AGC Thresholds Settings ............................................................................................................................. 19
Figure 7. Cordic Extraction .......................................................................................................................................... 22
Figure 8. OOK Peak Demodulator Description ............................................................................................................ 24
Figure 9. Floor Threshold Optimization ....................................................................................................................... 25
Figure 10. Bit Synchronizer Description ...................................................................................................................... 26
Figure 11. FEI Process ................................................................................................................................................ 27
Figure 12. Optimized Afc (AfcLowBetaOn=1) .............................................................................................................. 28
Figure 13. Temperature Sensor Response ................................................................................................................. 29
Figure 14. Rx Startup - No AGC, no AFC .................................................................................................................... 31
Figure 15. Rx Startup - AGC, no AFC ......................................................................................................................... 31
Figure 16. Rx Startup - AGC and AFC ........................................................................................................................ 31
Figure 17. Listen Mode Sequence (no wanted signal is received) .............................................................................. 33
Figure 18. Listen Mode Sequence (wanted signal is received) ................................................................................... 35
Figure 19. Auto Modes of Packet Handler ................................................................................................................... 36
Figure 20. RFM65W Data Processing Conceptual View ..............................................................................................37
Figure 21. SPI Timing Diagram (single access) .......................................................................................................... 38
Figure 22. FIFO and Shift Register (SR) ..................................................................................................................... 39
Figure 23. FifoLevel IRQ Source Behavior .................................................................................................................. 40
Figure 24. Sync Word Recognition .............................................................................................................................. 41
Figure 25. Continuous Mode Conceptual View ........................................................................................................... 43
Figure 26. Rx Processing in Continuous Mode ........................................................................................................... 43
Figure 27. Packet Mode Conceptual View ................................................................................................................... 44
Figure 28. Fixed Length Packet Format ...................................................................................................................... 45
Figure 29. Variable Length Packet Format .................................................................................................................. 46
Figure 30. Unlimited Length Packet Format ................................................................................................................ 46
Figure 31. CRC Implementation .................................................................................................................................. 50
Figure 32. Manchester Decoding ................................................................................................................................ 50
Figure 33. Data De-Whitening ..................................................................................................................................... 51
Figure 34. POR Timing Diagram ................................................................................................................................. 66
Figure 35. Manual Reset Timing Diagram ................................................................................................................... 67
Figure 36. Application Schematic ................................................................................................................................ 67
Figure 37. Package Outline Drawing ........................................................................................................................... 68
Figure 38. Listen Mode Resolutions, V2a ................................................................................................................... 69
Figure 39. Listen Mode Resolution, V2b ..................................................................................................................... 69
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