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ADF7023BCPZ Datasheet(PDF) 2 Page - Analog Devices |
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ADF7023BCPZ Datasheet(HTML) 2 Page - Analog Devices |
2 / 112 page ADF7023 Data Sheet Rev. C | Page 2 of 112 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Revision History ............................................................................... 3 Functional Block Diagram .............................................................. 4 General Description ......................................................................... 4 Specifications..................................................................................... 6 RF and Synthesizer Specifications.............................................. 6 Transmitter Specifications........................................................... 7 Receiver Specifications ................................................................ 9 Timing and Digital Specifications............................................ 13 Auxilary Block Specifications ................................................... 14 General Specifications ............................................................... 15 Timing Specifications ................................................................ 16 Absolute Maximum Ratings.......................................................... 17 ESD Caution................................................................................ 17 Pin Configuration and Function Descriptions........................... 18 Typical Performance Characteristics ........................................... 20 Terminology .................................................................................... 32 Radio Control.................................................................................. 33 Radio States ................................................................................. 33 Initialization ................................................................................ 35 Commands.................................................................................. 35 Automatic State Transitions ...................................................... 37 State Transition and Command Timing.................................. 38 Packet Mode .................................................................................... 43 Preamble ...................................................................................... 43 Sync Word ................................................................................... 44 Payload......................................................................................... 45 CRC .............................................................................................. 46 Postamble..................................................................................... 47 Transmit Packet Timing ............................................................ 47 Data Whitening .......................................................................... 48 Manchester Encoding ................................................................ 48 8b/10b Encoding ........................................................................ 48 Sport Mode...................................................................................... 49 Packet Structure in Sport Mode ............................................... 49 Sport Mode in Transmit ............................................................ 49 Sport Mode in Receive............................................................... 49 Transmit Bit Latencies in Sport Mode..................................... 49 Interrupt Generation...................................................................... 52 Interrupts in Sport Mode .......................................................... 53 ADF7023 Memory Map ................................................................ 54 BBRAM........................................................................................ 54 Modem Configuration RAM (MCR) ...................................... 54 Program ROM ............................................................................ 54 Program RAM ............................................................................ 54 Packet RAM ................................................................................ 55 SPI Interface .................................................................................... 56 General Characteristics ............................................................. 56 Command Access....................................................................... 56 Status Word ................................................................................. 56 Command Queuing ................................................................... 57 Memory Access........................................................................... 58 Low Power Modes .......................................................................... 61 Example Low Power Modes...................................................... 64 Low Power Mode Timing Diagrams........................................ 66 WUC Setup ................................................................................. 67 Firmware Timer Setup............................................................... 69 Calibrating the RC Oscillator ................................................... 69 Downloadable Firmware Modules............................................... 71 Writing a Module to Program RAM........................................ 71 Image Rejection Calibration Module ...................................... 71 Reed Solomon Coding Module................................................ 71 AES Encryption and Decryption Module............................... 71 Radio Blocks.................................................................................... 73 Frequency Synthesizer............................................................... 73 Crystal Oscillator........................................................................ 74 Modulation.................................................................................. 74 RF Output Stage.......................................................................... 74 PA/LNA Interface....................................................................... 75 Receive Channel Filter............................................................... 75 Image Channel Rejection .......................................................... 75 Automatic Gain Control (AGC)............................................... 75 RSSI .............................................................................................. 76 2FSK/GFSK/MSK/GMSK Demodulation............................... 78 Clock Recovery........................................................................... 80 OOK Demodulation .................................................................. 80 Recommended Receiver Settings for 2FSK/GFSK/MSK/GMSK ......................................................... 81 Recommended Receiver Settings for OOK ............................ 82 |
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