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

CC2500Table of ContentsAPPLICATIONS...........................................................................................................................................1PRODUCT DESCRIPTION.........................................................................................................................1KEY FEATURES ..........................................................................................................................................1FEATURES (CONTINUED FROM FRONT PAGE)................................................................................2ABBREVIATIONS........................................................................................................................................2TABLE OF CONTENTS ..............................................................................................................................31 ABSOLUTE MAXIMUM RATINGS..............................................................................................62 OPERATING CONDITIONS ..........................................................................................................63 GENERAL CHARACTERISTICS..................................................................................................64 ELECTRICAL SPECIFICATIONS ................................................................................................74.1 CURRENT CONSUMPTION .....................................................................................................................74.2 RF RECEIVE SECTION...........................................................................................................................84.3 RF TRANSMIT SECTION ......................................................................................................................104.4 CRYSTAL OSCILLATOR.......................................................................................................................104.5 LOW POWER RC OSCILLATOR............................................................................................................114.6 FREQUENCY SYNTHESIZER CHARACTERISTICS...................................................................................114.7 ANALOG TEMPERATURE SENSOR .......................................................................................................124.8 DC CHARACTERISTICS .......................................................................................................................124.9 POWER-ON RESET..............................................................................................................................125 PIN CONFIGURATION.................................................................................................................136 CIRCUIT DESCRIPTION .............................................................................................................157 APPLICATION CIRCUIT .............................................................................................................158 CONFIGURATION OVERVIEW.................................................................................................179 CONFIGURATION SOFTWARE.................................................................................................1810 4-WIRE SERIAL CONFIGURATION AND DATA INTERFACE ...........................................1910.1 CHIP STATUS BYTE ............................................................................................................................2110.2 REGISTER ACCESS..............................................................................................................................2110.3 SPI READ ...........................................................................................................................................2210.4 COMMAND STROBES ..........................................................................................................................2210.5 FIFO ACCESS .....................................................................................................................................2210.6 PATABLE ACCESS............................................................................................................................2311 MICROCONTROLLER INTERFACE AND PIN CONFIGURATION ...................................2311.1 CONFIGURATION INTERFACE..............................................................................................................2311.2 GENERAL CONTROL AND STATUS PINS ..............................................................................................2311.3 OPTIONAL RADIO CONTROL FEATURE ...............................................................................................2312 DATA RATE PROGRAMMING...................................................................................................2413 RECEIVER CHANNEL FILTER BANDWIDTH .......................................................................2414 DEMODULATOR, SYMBOL SYNCHRONIZER AND DATA DECISION............................2514.1 FREQUENCY OFFSET COMPENSATION.................................................................................................2514.2 BIT SYNCHRONIZATION......................................................................................................................2514.3 BYTE SYNCHRONIZATION...................................................................................................................2515 PACKET HANDLING HARDWARE SUPPORT .......................................................................2615.1 DATA WHITENING..............................................................................................................................2615.2 PACKET FORMAT................................................................................................................................2715.3 PACKET FILTERING IN RECEIVE MODE...............................................................................................2915.4 CRC CHECK .......................................................................................................................................2915.5 PACKET HANDLING IN TRANSMIT MODE............................................................................................2915.6 PACKET HANDLING IN RECEIVE MODE ..............................................................................................3016 MODULATION FORMATS..........................................................................................................3016.1 FREQUENCY SHIFT KEYING................................................................................................................3016.2 MINIMUM SHIFT KEYING....................................................................................................................30PRELIMINARY Data Sheet (Rev.1.2) SWRS040A Page 3 of 83