欢迎访问ic37.com |
会员登录 免费注册
发布采购

SX1231 参数 Datasheet PDF下载

SX1231图片预览
型号: SX1231
PDF下载: 下载PDF文件 查看货源
内容描述: 低功耗集成的UHF收发器 [Low Power Integrated UHF Transceiver]
分类和应用:
文件页数/大小: 78 页 / 889 K
品牌: SEMTECH [ SEMTECH CORPORATION ]
 浏览型号SX1231的Datasheet PDF文件第1页浏览型号SX1231的Datasheet PDF文件第2页浏览型号SX1231的Datasheet PDF文件第3页浏览型号SX1231的Datasheet PDF文件第4页浏览型号SX1231的Datasheet PDF文件第6页浏览型号SX1231的Datasheet PDF文件第7页浏览型号SX1231的Datasheet PDF文件第8页浏览型号SX1231的Datasheet PDF文件第9页  
SX1231  
DATASHEET  
Page  
ADVANCED COMMUNICATIONS & SENSING  
Index of Figures  
Figure 1. Block Diagram ................................................................................................................................................ 8  
Figure 2. Pin Diagram .................................................................................................................................................... 9  
Figure 3. Marking Diagram ............................................................................................................................................ 9  
Figure 4. TCXO Connection ........................................................................................................................................ 16  
Figure 5. Transmitter Block Diagram ........................................................................................................................... 19  
Figure 6. Receiver Block Diagram ............................................................................................................................... 22  
Figure 7. AGC Thresholds Settings ............................................................................................................................. 23  
Figure 8. Cordic Extraction .......................................................................................................................................... 27  
Figure 9. OOK Peak Demodulator Description ............................................................................................................ 27  
Figure 10. Floor Threshold Optimization ..................................................................................................................... 28  
Figure 11. Bit Synchronizer Description ...................................................................................................................... 29  
Figure 12. FEI Process ................................................................................................................................................ 31  
Figure 13. Temperature Sensor Response ................................................................................................................. 32  
Figure 14. Tx Startup, FSK and OOK .......................................................................................................................... 34  
Figure 15. Rx Startup - No AGC, no AFC .................................................................................................................... 35  
Figure 16. Rx Startup - AGC, no AFC ......................................................................................................................... 35  
Figure 17. Rx Startup - AGC and AFC ........................................................................................................................ 35  
Figure 18. Listen Mode Sequence (no wanted signal is received) .............................................................................. 37  
Figure 19. Listen Mode Sequence (wanted signal is received) ................................................................................... 39  
Figure 20. Auto Modes of Packet Handler ................................................................................................................... 40  
Figure 21. SX1231 Data Processing Conceptual View ............................................................................................... 41  
Figure 22. SPI Timing Diagram (single access) .......................................................................................................... 42  
Figure 23. FIFO and Shift Register (SR) ..................................................................................................................... 43  
Figure 24. FifoLevel IRQ Source Behavior .................................................................................................................. 44  
Figure 25. Sync Word Recognition .............................................................................................................................. 45  
Figure 26. Continuous Mode Conceptual View ........................................................................................................... 47  
Figure 27. Tx Processing in Continuous Mode ............................................................................................................ 47  
Figure 28. Rx Processing in Continuous Mode ........................................................................................................... 48  
Figure 29. Packet Mode Conceptual View ................................................................................................................... 49  
Figure 30. Fixed Length Packet Format ...................................................................................................................... 50  
Figure 31. Variable Length Packet Format .................................................................................................................. 50  
Figure 32. Unlimited Length Packet Format ................................................................................................................ 51  
Figure 33. CRC Implementation .................................................................................................................................. 55  
Figure 34. Manchester Encoding/Decoding ................................................................................................................. 56  
Figure 35. Data Whitening ........................................................................................................................................... 56  
Figure 36. POR Timing Diagram ................................................................................................................................. 73  
Figure 37. Manual Reset Timing Diagram ................................................................................................................... 74  
Figure 38. Package Outline Drawing ........................................................................................................................... 75  
Figure 39. Recommended Land Pattern ..................................................................................................................... 75  
Figure 40. Tape & Reel Specification .......................................................................................................................... 76  
Rev 2 - Nov 2009  
Page 5  
www.semtech.com  
 复制成功!