Single-Chip Low Cost Low Power RF-Transceiver (Rev. A)

CC250016.3 AMPLITUDE MODULATION .................................................................................................................3117 RECEIVED SIGNAL QUALIFIERS AND LINK QUALITY INFORMATION .....................3117.1 SYNC WORD QUALIFIER.....................................................................................................................3117.2 PREAMBLE QUALITY THRESHOLD (PQT) ...........................................................................................3117.3 RSSI...................................................................................................................................................3117.4 CARRIER SENSE (CS)..........................................................................................................................3217.5 CLEAR CHANNEL ASSESSMENT (CCA) ..............................................................................................3317.6 LINK QUALITY INDICATOR (LQI).......................................................................................................3418 FORWARD ERROR CORRECTION WITH INTERLEAVING ..............................................3418.1 FORWARD ERROR CORRECTION (FEC)...............................................................................................3418.2 INTERLEAVING ...................................................................................................................................3419 RADIO CONTROL.........................................................................................................................3519.1 POWER-ON START-UP SEQUENCE......................................................................................................3619.2 CRYSTAL CONTROL............................................................................................................................3619.3 VOLTAGE REGULATOR CONTROL.......................................................................................................3719.4 ACTIVE MODES ..................................................................................................................................3719.5 WAKE ON RADIO (WOR)...................................................................................................................3719.6 TIMING ...............................................................................................................................................3819.7 RX TERMINATION TIMER ...................................................................................................................3820 DATA FIFO .....................................................................................................................................3921 FREQUENCY PROGRAMMING.................................................................................................402222.1VCO ..................................................................................................................................................41VCO AND PLL SELF-CALIBRATION ...................................................................................................4123 VOLTAGE REGULATORS ..........................................................................................................4124 OUTPUT POWER PROGRAMMING .........................................................................................4225 SELECTIVITY................................................................................................................................432626.1CRYSTAL OSCILLATOR.............................................................................................................45REFERENCE SIGNAL ...........................................................................................................................4627 EXTERNAL RF MATCH ..............................................................................................................4628 GENERAL PURPOSE / TEST OUTPUT CONTROL PINS ......................................................4629 ASYNCHRONOUS AND SYNCHRONOUS SERIAL OPERATION .......................................4829.1 ASYNCHRONOUS OPERATION..............................................................................................................4829.2 SYNCHRONOUS SERIAL OPERATION ....................................................................................................4830 SYSTEM CONSIDERATIONS AND GUIDELINES ..................................................................4830.1 SRD REGULATIONS............................................................................................................................4830.2 FREQUENCY HOPPING AND MULTI-CHANNEL SYSTEMS.....................................................................4930.3 WIDEBAND MODULATION NOT USING SPREAD SPECTRUM ................................................................4930.4 DATA BURST TRANSMISSIONS............................................................................................................4930.5 CONTINUOUS TRANSMISSIONS ...........................................................................................................4930.6 CRYSTAL DRIFT COMPENSATION .......................................................................................................4930.7 SPECTRUM EFFICIENT MODULATION..................................................................................................5030.8 LOW COST SYSTEMS ..........................................................................................................................5030.9 BATTERY OPERATED SYSTEMS ..........................................................................................................5030.10 INCREASING OUTPUT POWER .........................................................................................................5031 CONFIGURATION REGISTERS.................................................................................................5131.1 CONFIGURATION REGISTER DETAILS – REGISTERS WITH PRESERVED VALUES IN SLEEP STATE..........5531.2 CONFIGURATION REGISTER DETAILS – REGISTERS THAT LOSE PROGRAMMING IN SLEEP STATE ........7431.3 STATUS REGISTER DETAILS.................................................................................................................7532 PACKAGE DESCRIPTION (QLP 20)..........................................................................................7832.1 RECOMMENDED PCB LAYOUT FOR PACKAGE (QLP 20) .....................................................................7932.2 PACKAGE THERMAL PROPERTIES........................................................................................................7932.3 SOLDERING INFORMATION..................................................................................................................7932.4 TRAY SPECIFICATION..........................................................................................................................7932.5 CARRIER TAPE AND REEL SPECIFICATION ...........................................................................................80PRELIMINARY Data Sheet (Rev.1.2) SWRS040A Page 4 of 83