SX1233 データシートの表示（PDF） - Semtech Corporation

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コンポーネント説明

メーカー

SX1233

High Bit Rate Transceiver Low Power Integrated UHF Transceiver

Semtech Corporation 

SX1233

ADVANCED COMMUNICATIONS & SENSING

Table of contents

Section

DATASHEET

Page

3.5.8. RSSI .......................................................................................................................................................... 27

3.5.9. Cordic ........................................................................................................................................................ 27

3.5.10. FSK Demodulator.................................................................................................................................... 28

3.5.11. OOK Demodulator................................................................................................................................... 28

3.5.12. Bit Synchronizer ...................................................................................................................................... 30

3.5.13. Frequency Error Indicator........................................................................................................................ 31

3.5.14. Automatic Frequency Correction............................................................................................................. 32

3.5.15. Optimized Setup for Low Modulation Index Systems.............................................................................. 32

3.5.16. Temperature Sensor ............................................................................................................................... 33

3.5.17. Timeout Function..................................................................................................................................... 33

3.6. High Bit Rate Operations ...............................................................................................................................34

3.6.1. 500kbps Operation .................................................................................................................................... 34

3.6.2. 600kbps Operation .................................................................................................................................... 34

4. Operating Modes ................................................................................................................................................... 35

4.1. Basic Modes .................................................................................................................................................. 35

4.2. Automatic Sequencer and Wake-Up Times................................................................................................... 35

4.2.1. Transmitter Startup Time ...........................................................................................................................36

4.2.2. Tx Start Procedure .................................................................................................................................... 36

4.2.3. Receiver Startup Time............................................................................................................................... 36

4.2.4. Rx Start Procedure.................................................................................................................................... 38

4.2.5. Optimized Frequency Hopping Sequences............................................................................................... 38

4.3. Listen mode ...................................................................................................................................................39

4.3.1. Timings...................................................................................................................................................... 39

4.3.2. Criteria....................................................................................................................................................... 40

4.3.3. End of Cycle Actions ................................................................................................................................. 40

4.3.4. RC Timer Accuracy ................................................................................................................................... 41

4.4. AutoModes .....................................................................................................................................................42

5. Data Processing .................................................................................................................................................... 43

5.1. Overview ........................................................................................................................................................ 43

5.1.1. Block Diagram ........................................................................................................................................... 43

5.1.2. Data Operation Modes .............................................................................................................................. 43

5.2. Control Block Description............................................................................................................................... 44

5.2.1. SPI Interface.............................................................................................................................................. 44

5.2.2. FIFO .......................................................................................................................................................... 45

5.2.3. Sync Word Recognition............................................................................................................................. 46

5.2.4. Packet Handler.......................................................................................................................................... 47

5.2.5. Control....................................................................................................................................................... 47

5.3. Digital IO Pins Mapping ................................................................................................................................. 47

5.3.1. DIO Pins Mapping in Continuous Mode .................................................................................................... 48

Rev 3.April 2010

Page 3

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