SX1231-31SKB433 Semtech, SX1231-31SKB433 Datasheet - Page 6

• Manufacturer Part Number: SX1231-31SKB433
• Description: USB Kit - SX1231 433Mhz
• Manufacturer: Semtech

SX1231
ADVANCED COMMUNICATIONS & SENSING
DATASHEET
Figure 42. Recommended Land Pattern ..................................................................................................................... 78
Figure 43. Tape & Reel Specification .......................................................................................................................... 79
Figure 44.
Listen Mode Resolutions, V2a ................................................................................................................... 81
Figure 45. Listen Mode Resolution, V2b ..................................................................................................................... 81
Figure 46. Exiting Listen Mode in SX1231 V2a ........................................................................................................... 81
Figure 47. RegTestOok Description ............................................................................................................................ 81
Index of Tables
Page
Table 1. SX1231 Pinouts .............................................................................................................................................. 10
Table 2. Absolute Maximum Ratings ............................................................................................................................ 11
Table 3. Operating Range ............................................................................................................................................ 11
Table 4. Power Consumption Specification .................................................................................................................. 12
Table 5. Frequency Synthesizer Specification .............................................................................................................. 12
Table 6. Receiver Specification .................................................................................................................................... 13
Table 7. Transmitter Specification ................................................................................................................................ 14
Table 8. Digital Specification ........................................................................................................................................ 15
Table 9. Bit Rate Examples .......................................................................................................................................... 20
Table 10. Power Amplifier Mode Selection Truth Table ............................................................................................... 21
Table 11. LNA Gain Settings ........................................................................................................................................ 23
Table 12. Receiver Performance Summary .................................................................................................................. 25
Table 13. Available RxBw Settings ............................................................................................................................... 26
Table 14. Basic Transceiver Modes ............................................................................................................................. 35
Table 15. Range of Durations in Listen Mode .............................................................................................................. 39
Table 16. Signal Acceptance Criteria in Listen Mode ................................................................................................... 40
Table 17. End of Listen Cycle Actions .......................................................................................................................... 40
Table 18. Status of FIFO when Switching Between Different Modes of the Chip ......................................................... 46
Table 19. DIO Mapping, Continuous Mode .................................................................................................................. 48
Table 20. DIO Mapping, Packet Mode ......................................................................................................................... 48
Table 21. Registers Summary ...................................................................................................................................... 60
Table 22. Common Configuration Registers ................................................................................................................. 63
Table 23. Transmitter Registers ................................................................................................................................... 66
Table 24. Receiver Registers ....................................................................................................................................... 67
Table 25. IRQ and Pin Mapping Registers ................................................................................................................... 69
Table 26. Packet Engine Registers .............................................................................................................................. 71
Table 27. Temperature Sensor Registers ..................................................................................................................... 74
Table 28. Test Registers .............................................................................................................................................. 74
Table 29. Crystal Specification ..................................................................................................................................... 75
Table 30. Chip Identification ......................................................................................................................................... 80
Table 31. Revision History ............................................................................................................................................ 83
Rev 4 - Nov 2010
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