CC2550_13 Datasheet, PDF (3/61 Pages) Texas Instruments – Low-Cost Low-Power 2.4 GHz RF Transmitter

CC2550
16.1 POWER-ON START-UP SEQUENCE ......................................................................................................25
16.2 CRYSTAL CONTROL............................................................................................................................26
16.3 VOLTAGE REGULATOR CONTROL.......................................................................................................26
16.4 TX MODE ...........................................................................................................................................27
16.5 TIMING ...............................................................................................................................................27
17 TX FIFO ...........................................................................................................................................27
18 FREQUENCY PROGRAMMING.................................................................................................28
19 VCO ..................................................................................................................................................29
19.1 VCO AND PLL SELF-CALIBRATION ...................................................................................................29
20 VOLTAGE REGULATORS ..........................................................................................................29
21 OUTPUT POWER PROGRAMMING .........................................................................................30
22 CRYSTAL OSCILLATOR.............................................................................................................32
22.1 REFERENCE SIGNAL ...........................................................................................................................32
23 EXTERNAL RF MATCH ..............................................................................................................32
24 PCB LAYOUT RECOMMENDATIONS......................................................................................33
25 GENERAL PURPOSE / TEST OUTPUT CONTROL PINS ......................................................33
26 ASYNCHRONOUS AND SYNCHRONOUS SERIAL OPERATION .......................................34
26.1 ASYNCHRONOUS OPERATION .............................................................................................................34
26.2 SYNCHRONOUS SERIAL OPERATION ...................................................................................................35
27 SYSTEM CONSIDERATIONS AND GUIDELINES ..................................................................35
27.1 SRD REGULATIONS............................................................................................................................35
27.2 FREQUENCY HOPPING AND MULTI-CHANNEL SYSTEMS.....................................................................35
27.3 WIDEBAND MODULATION NOT USING SPREAD SPECTRUM ................................................................36
27.4 DATA BURST TRANSMISSIONS............................................................................................................36
27.5 CONTINUOUS TRANSMISSIONS ...........................................................................................................36
27.6 SPECTRUM EFFICIENT MODULATION..................................................................................................36
27.7 LOW COST SYSTEMS ..........................................................................................................................36
27.8 BATTERY OPERATED SYSTEMS ..........................................................................................................36
27.9 INCREASING OUTPUT POWER .............................................................................................................37
28 CONFIGURATION REGISTERS.................................................................................................37
28.1 CONFIGURATION REGISTER DETAILS .................................................................................................41
28.2 STATUS REGISTER DETAILS................................................................................................................49
29 PACKAGE DESCRIPTION (QLP 16)..........................................................................................52
29.1 RECOMMENDED PCB LAYOUT FOR PACKAGE (QLP 16) ....................................................................53
29.2 PACKAGE THERMAL PROPERTIES .......................................................................................................53
29.3 SOLDERING INFORMATION .................................................................................................................53
29.4 TRAY SPECIFICATION .........................................................................................................................54
29.5 CARRIER TAPE AND REEL SPECIFICATION ..........................................................................................54
30 ORDERING INFORMATION.......................................................................................................54
31 REFERENCES ................................................................................................................................54
32 GENERAL INFORMATION.........................................................................................................55
32.1 DOCUMENT HISTORY .........................................................................................................................55
32.2 PRODUCT STATUS DEFINITIONS .........................................................................................................56
33 ADDRESS INFORMATION ..........................................................................................................57
34 TI WORLDWIDE TECHNICAL SUPPORT...............................................................................57
SWRS039B
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