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CC2500-CC2550DK Datasheet(PDF) 3 Page - Texas Instruments |
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CC2500-CC2550DK Datasheet(HTML) 3 Page - Texas Instruments |
3 / 84 page CC2500 PRELIMINARY Data Sheet (Rev.1.2) SWRS040A Page 3 of 83 Table of Contents APPLICATIONS ...........................................................................................................................................1 PRODUCT DESCRIPTION.........................................................................................................................1 KEY FEATURES ..........................................................................................................................................1 FEATURES (CONTINUED FROM FRONT PAGE)................................................................................2 ABBREVIATIONS........................................................................................................................................2 TABLE OF CONTENTS ..............................................................................................................................3 1 ABSOLUTE MAXIMUM RATINGS ..............................................................................................6 2 OPERATING CONDITIONS ..........................................................................................................6 3 GENERAL CHARACTERISTICS..................................................................................................6 4 ELECTRICAL SPECIFICATIONS ................................................................................................7 4.1 CURRENT CONSUMPTION .....................................................................................................................7 4.2 RF RECEIVE SECTION...........................................................................................................................8 4.3 RF TRANSMIT SECTION ......................................................................................................................10 4.4 CRYSTAL OSCILLATOR .......................................................................................................................10 4.5 LOW POWER RC OSCILLATOR............................................................................................................11 4.6 FREQUENCY SYNTHESIZER CHARACTERISTICS...................................................................................11 4.7 ANALOG TEMPERATURE SENSOR .......................................................................................................12 4.8 DC CHARACTERISTICS .......................................................................................................................12 4.9 POWER-ON RESET ..............................................................................................................................12 5 PIN CONFIGURATION.................................................................................................................13 6 CIRCUIT DESCRIPTION .............................................................................................................15 7 APPLICATION CIRCUIT .............................................................................................................15 8 CONFIGURATION OVERVIEW .................................................................................................17 9 CONFIGURATION SOFTWARE.................................................................................................18 10 4-WIRE SERIAL CONFIGURATION AND DATA INTERFACE ...........................................19 10.1 CHIP STATUS BYTE ............................................................................................................................21 10.2 REGISTER ACCESS ..............................................................................................................................21 10.3 SPI READ ...........................................................................................................................................22 10.4 COMMAND STROBES ..........................................................................................................................22 10.5 FIFO ACCESS .....................................................................................................................................22 10.6 PATABLE ACCESS............................................................................................................................23 11 MICROCONTROLLER INTERFACE AND PIN CONFIGURATION ...................................23 11.1 CONFIGURATION INTERFACE ..............................................................................................................23 11.2 GENERAL CONTROL AND STATUS PINS ..............................................................................................23 11.3 OPTIONAL RADIO CONTROL FEATURE ...............................................................................................23 12 DATA RATE PROGRAMMING...................................................................................................24 13 RECEIVER CHANNEL FILTER BANDWIDTH .......................................................................24 14 DEMODULATOR, SYMBOL SYNCHRONIZER AND DATA DECISION............................25 14.1 FREQUENCY OFFSET COMPENSATION.................................................................................................25 14.2 BIT SYNCHRONIZATION......................................................................................................................25 14.3 BYTE SYNCHRONIZATION...................................................................................................................25 15 PACKET HANDLING HARDWARE SUPPORT .......................................................................26 15.1 DATA WHITENING ..............................................................................................................................26 15.2 PACKET FORMAT................................................................................................................................27 15.3 PACKET FILTERING IN RECEIVE MODE ...............................................................................................29 15.4 CRC CHECK .......................................................................................................................................29 15.5 PACKET HANDLING IN TRANSMIT MODE............................................................................................29 15.6 PACKET HANDLING IN RECEIVE MODE ..............................................................................................30 16 MODULATION FORMATS ..........................................................................................................30 16.1 FREQUENCY SHIFT KEYING ................................................................................................................30 16.2 MINIMUM SHIFT KEYING....................................................................................................................30 |
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