SX1231 Просмотр технического описания (PDF) - Semtech Corporation

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Компоненты Описание

производитель

SX1231

Low Power Integrated UHF Transceiver

Semtech Corporation 

SX1231

ADVANCED COMMUNICATIONS & SENSING

DATASHEET

Figure 42. Recommended Land Pattern ..................................................................................................................... 76

Figure 43. Tape & Reel Specification .......................................................................................................................... 77

Figure 44. Listen Mode Resolutions, V2a ................................................................................................................... 78

Figure 45. Listen Mode Resolution, V2b ..................................................................................................................... 78

Figure 46. Exiting Listen Mode in SX1231 V2a ........................................................................................................... 79

Figure 47. RegTestOok Description ............................................................................................................................ 79

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 ........................................................................................................................................ 22

Table 12. Receiver Performance Summary .................................................................................................................. 24

Table 13. Available RxBw Settings ............................................................................................................................... 25

Table 14. Basic Transceiver Modes ............................................................................................................................. 33

Table 15. Range of Durations in Listen Mode .............................................................................................................. 37

Table 16. Signal Acceptance Criteria in Listen Mode ................................................................................................... 38

Table 17. End of Listen Cycle Actions .......................................................................................................................... 38

Table 18. Status of FIFO when Switching Between Different Modes of the Chip ......................................................... 44

Table 19. DIO Mapping, Continuous Mode .................................................................................................................. 46

Table 20. DIO Mapping, Packet Mode ......................................................................................................................... 46

Table 21. Registers Summary ...................................................................................................................................... 58

Table 22. Common Configuration Registers ................................................................................................................. 61

Table 23. Transmitter Registers ................................................................................................................................... 64

Table 24. Receiver Registers ....................................................................................................................................... 65

Table 25. IRQ and Pin Mapping Registers ................................................................................................................... 67

Table 26. Packet Engine Registers .............................................................................................................................. 69

Table 27. Temperature Sensor Registers ..................................................................................................................... 72

Table 28. Test Registers .............................................................................................................................................. 72

Table 29. Crystal Specification ..................................................................................................................................... 73

Table 30. Chip Identification ......................................................................................................................................... 78

Table 31. Revision History ............................................................................................................................................ 80

Rev 3 - April 2010

Page 6

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