CC2500-RTY1 datasheet(4/84 Pages) TI

4 / 84 page

CC2500

PRELIMINARY Data Sheet (Rev.1.2)

SWRS040A

Page 4 of 83

16.3

AMPLITUDE MODULATION .................................................................................................................31

RECEIVED SIGNAL QUALIFIERS AND LINK QUALITY INFORMATION .....................31

17.1

SYNC WORD QUALIFIER.....................................................................................................................31

17.2

PREAMBLE QUALITY THRESHOLD (PQT) ...........................................................................................31

17.3

RSSI...................................................................................................................................................31

17.4

CARRIER SENSE (CS)..........................................................................................................................32

17.5

CLEAR CHANNEL ASSESSMENT (CCA) ..............................................................................................33

17.6

LINK QUALITY INDICATOR (LQI) .......................................................................................................34

FORWARD ERROR CORRECTION WITH INTERLEAVING ..............................................34

18.1

FORWARD ERROR CORRECTION (FEC)...............................................................................................34

18.2

INTERLEAVING ...................................................................................................................................34

RADIO CONTROL.........................................................................................................................35

19.1

POWER-ON START-UP SEQUENCE ......................................................................................................36

19.2

CRYSTAL CONTROL............................................................................................................................36

19.3

VOLTAGE REGULATOR CONTROL.......................................................................................................37

19.4

ACTIVE MODES ..................................................................................................................................37

19.5

WAKE ON RADIO (WOR)...................................................................................................................37

19.6

TIMING ...............................................................................................................................................38

19.7

RX TERMINATION TIMER ...................................................................................................................38

DATA FIFO .....................................................................................................................................39

FREQUENCY PROGRAMMING.................................................................................................40

VCO ..................................................................................................................................................41

22.1

VCO AND PLL SELF-CALIBRATION ...................................................................................................41

VOLTAGE REGULATORS ..........................................................................................................41

OUTPUT POWER PROGRAMMING .........................................................................................42

SELECTIVITY ................................................................................................................................43

CRYSTAL OSCILLATOR.............................................................................................................45

26.1

REFERENCE SIGNAL ...........................................................................................................................46

EXTERNAL RF MATCH ..............................................................................................................46

GENERAL PURPOSE / TEST OUTPUT CONTROL PINS ......................................................46

ASYNCHRONOUS AND SYNCHRONOUS SERIAL OPERATION .......................................48

29.1

ASYNCHRONOUS OPERATION..............................................................................................................48

29.2

SYNCHRONOUS SERIAL OPERATION ....................................................................................................48

SYSTEM CONSIDERATIONS AND GUIDELINES ..................................................................48

30.1

SRD REGULATIONS............................................................................................................................48

30.2

FREQUENCY HOPPING AND MULTI-CHANNEL SYSTEMS.....................................................................49

30.3

WIDEBAND MODULATION NOT USING SPREAD SPECTRUM ................................................................49

30.4

DATA BURST TRANSMISSIONS............................................................................................................49

30.5

CONTINUOUS TRANSMISSIONS ...........................................................................................................49

30.6

CRYSTAL DRIFT COMPENSATION .......................................................................................................49

30.7

SPECTRUM EFFICIENT MODULATION..................................................................................................50

30.8

LOW COST SYSTEMS ..........................................................................................................................50

30.9

BATTERY OPERATED SYSTEMS ..........................................................................................................50

30.10

INCREASING OUTPUT POWER .........................................................................................................50

CONFIGURATION REGISTERS.................................................................................................51

31.1

CONFIGURATION REGISTER DETAILS – REGISTERS WITH PRESERVED VALUES IN SLEEP STATE ..........55

31.2

CONFIGURATION REGISTER DETAILS – REGISTERS THAT LOSE PROGRAMMING IN SLEEP STATE ........74

31.3

STATUS REGISTER DETAILS.................................................................................................................75

PACKAGE DESCRIPTION (QLP 20) ..........................................................................................78

32.1

RECOMMENDED PCB LAYOUT FOR PACKAGE (QLP 20) .....................................................................79

32.2

PACKAGE THERMAL PROPERTIES ........................................................................................................79

32.3

SOLDERING INFORMATION..................................................................................................................79

32.4

TRAY SPECIFICATION..........................................................................................................................79

32.5

CARRIER TAPE AND REEL SPECIFICATION ...........................................................................................80

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