AX5243 datasheet(3/65 Pages) ONSEMI

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Table of Contents

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AX5243

5.4. GPIO Pin......................................................................................................27

5.5. SYSCLK Output ............................................................................................27

5.6. Power-on-reset (POR) ...................................................................................28

5.7. RF Frequency Generation Subsystem ..............................................................28

VCO ............................................................................................................28

VCO Auto-Ranging ........................................................................................29

Loop Filter and Charge Pump..........................................................................29

Registers .....................................................................................................30

5.8. RF Input and Output Stage (ANTP/ANTN) ........................................................31

LNA.............................................................................................................31

PA...............................................................................................................31

5.9. Digital IF Channel Filter and Demodulator........................................................31

Registers .....................................................................................................32

5.10. Encoder...................................................................................................33

5.11. Framing and FIFO.....................................................................................33

Packet Modes ...............................................................................................34

RAW Modes ..................................................................................................35

5.12. RX AGC and RSSI .....................................................................................35

5.13. Modulator ................................................................................................36

5.14. Automatic Frequency Control (AFC) ............................................................36

5.15. PWRMODE Register...................................................................................37

5.16. Serial Peripheral Interface (SPI) .................................................................39

SPI Timing ...................................................................................................40

5.17. General Purpose ADC (GPADC)...................................................................41

  DAC........................................................................................................41

6. Register Bank Description......................................................................... 42

6.1. Control Register Map.....................................................................................43

7. Application Information ............................................................................ 55

7.1. Typical Application Diagrams..........................................................................55

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