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CC1101Table Of ContentsAPPLICATIONS..................................................................................................................................................1PRODUCT DESCRIPTION................................................................................................................................1KEY FEATURES .................................................................................................................................................1KEY FEATURES .................................................................................................................................................2RF PERFORMANCE ..........................................................................................................................................2ANALOG FEATURES ........................................................................................................................................2DIGITAL FEATURES.........................................................................................................................................2LOW-POWER FEATURES................................................................................................................................2GENERAL ............................................................................................................................................................2ABBREVIATIONS...............................................................................................................................................3TABLE OF CONTENTS .....................................................................................................................................41 ABSOLUTE MAXIMUM RATINGS.....................................................................................................72 OPERATING CONDITIONS .................................................................................................................73 GENERAL CHARACTERISTICS.........................................................................................................74 ELECTRICAL SPECIFICATIONS .......................................................................................................84.1 CURRENT CONSUMPTION ............................................................................................................................84.2 RF RECEIVE SECTION................................................................................................................................104.3 RF TRANSMIT SECTION .............................................................................................................................124.4 CRYSTAL OSCILLATOR..............................................................................................................................134.5 LOW POWER RC OSCILLATOR...................................................................................................................144.6 FREQUENCY SYNTHESIZER CHARACTERISTICS..........................................................................................144.7 ANALOG TEMPERATURE SENSOR ..............................................................................................................154.8 DC CHARACTERISTICS ..............................................................................................................................154.9 POWER-ON RESET.....................................................................................................................................155 PIN CONFIGURATION........................................................................................................................166 CIRCUIT DESCRIPTION ....................................................................................................................177 APPLICATION CIRCUIT ....................................................................................................................188 CONFIGURATION OVERVIEW........................................................................................................219 CONFIGURATION SOFTWARE........................................................................................................2310 4-WIRE SERIAL CONFIGURATION AND DATA INTERFACE ..................................................2310.1 CHIP STATUS BYTE ...................................................................................................................................2510.2 REGISTER ACCESS.....................................................................................................................................2510.3 SPI READ ..................................................................................................................................................2610.4 COMMAND STROBES .................................................................................................................................2610.5 FIFO ACCESS ............................................................................................................................................2610.6 PATABLE ACCESS...................................................................................................................................2711 MICROCONTROLLER INTERFACE AND PIN CONFIGURATION ..........................................2711.1 CONFIGURATION INTERFACE.....................................................................................................................2711.2 GENERAL CONTROL AND STATUS PINS .....................................................................................................2711.3 OPTIONAL RADIO CONTROL FEATURE ......................................................................................................2812 DATA RATE PROGRAMMING..........................................................................................................2813 RECEIVER CHANNEL FILTER BANDWIDTH ..............................................................................3014 DEMODULATOR, SYMBOL SYNCHRONIZER, AND DATA DECISION..................................3014.1 FREQUENCY OFFSET COMPENSATION........................................................................................................3014.2 BIT SYNCHRONIZATION.............................................................................................................................3014.3 BYTE SYNCHRONIZATION..........................................................................................................................3115 PACKET HANDLING HARDWARE SUPPORT ..............................................................................3115.1 DATA WHITENING.....................................................................................................................................3215.2 PACKET FORMAT.......................................................................................................................................32SWRS061C Page 4 of 94