SX1232 View Datasheet(PDF) - Semtech Corporation

Part Name

Description

Manufacturer

SX1232

868 & 915MHz Ultra Low Power High Link Budget Integrated UHF Transceiver

Semtech Corporation 

SX1232

WIRELESS & SENSING

DATASHEET

List of Tables

Section

Page

Table 1. SX1232 Pinouts .............................................................................................................................................. 11

Table 2. Absolute Maximum Ratings ............................................................................................................................ 12

Table 3. Operating Range ............................................................................................................................................ 12

Table 4. Power Consumption Specification .................................................................................................................. 13

Table 5. Frequency Synthesizer Specification .............................................................................................................. 13

Table 6. Receiver Specification .................................................................................................................................... 14

Table 7. Transmitter Specification ................................................................................................................................ 15

Table 8. Digital Specification ........................................................................................................................................ 16

Table 9. Bit Rate Examples .......................................................................................................................................... 23

Table 10. Power Amplifier Mode Selection Truth Table ............................................................................................... 24

Table 11. High Power Settings ..................................................................................................................................... 25

Table 12. Absolute Maximum Rating, +20dBm Operation ........................................................................................... 25

Table 13. Operating Range, +20dBm Operation .......................................................................................................... 25

Table 14. Trimming of the OCP Current ....................................................................................................................... 26

Table 15. LNA Gain Control and Performances ........................................................................................................... 27

Table 16. RssiSmoothing Options ................................................................................................................................ 29

Table 17. Available RxBw Settings ............................................................................................................................... 29

Table 18. Preamble Detector Settings .......................................................................................................................... 35

Table 19. RxTrigger Settings to Enable Timeout Interrupts .......................................................................................... 37

Table 20. Basic Transceiver Modes ............................................................................................................................. 38

Table 21. Receiver Startup Time Summary .................................................................................................................. 39

Table 22. Receiver Startup Options ............................................................................................................................. 42

Table 23. Sequencer States ......................................................................................................................................... 44

Table 24. Sequencer Transition Options ...................................................................................................................... 45

Table 25. Sequencer Timer Settings ............................................................................................................................ 46

Table 26. Status of FIFO when Switching Between Different Modes of the Chip ......................................................... 51

Table 27. DIO Mapping, Continuous Mode .................................................................................................................. 53

Table 28. DIO Mapping, Packet Mode ......................................................................................................................... 53

Table 29. CRC Description .......................................................................................................................................... 61

Table 30. Registers Summary ...................................................................................................................................... 64

Table 31. Register Map ................................................................................................................................................ 67

Table 32. Crystal Specification ..................................................................................................................................... 81

Table 33. Listen Mode with PreambleDetect Condition Settings .................................................................................. 86

Table 34. Listen Mode with PreambleDetect Condition Recommended DIO Mapping ................................................ 87

Table 35. Listen Mode with SyncAddress Condition Settings ...................................................................................... 89

Table 36. Listen Mode with PreambleDetect Condition Recommended DIO Mapping ................................................ 89

Table 37. Beacon Mode Settings ................................................................................................................................. 91

Table 38. Revision History ............................................................................................................................................ 96

Rev 3 - August 2012

Page 7

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