CC2500-RTY1 datasheet(4/96 Pages) TI

4 / 96 page

CC2500

SWRS040C

Page 4 of 89

Table of Contents

APPLICATIONS ...........................................................................................................................................1

PRODUCT DESCRIPTION......................................................................................................................... 1

KEY FEATURES ..........................................................................................................................................1

RF PERFORMANCE ...........................................................................................................................................1

ANALOG FEATURES..........................................................................................................................................1

DIGITAL FEATURES ..........................................................................................................................................1

LOW-POWER FEATURES ...................................................................................................................................2

GENERAL.......................................................................................................................................................... 2

ABBREVIATIONS........................................................................................................................................3

TABLE OF CONTENTS .............................................................................................................................. 4

ABSOLUTE MAXIMUM RATINGS ...........................................................................................................6

OPERATING CONDITIONS......................................................................................................................6

GENERAL CHARACTERISTICS ...............................................................................................................6

ELECTRICAL SPECIFICATIONS...............................................................................................................7

4.1

CURRENT CONSUMPTION .....................................................................................................................7

4.2

RF RECEIVE SECTION........................................................................................................................... 9

4.3

RF TRANSMIT SECTION ......................................................................................................................11

4.4

CRYSTAL OSCILLATOR .......................................................................................................................12

4.5

LOW POWER RC OSCILLATOR............................................................................................................12

4.6

FREQUENCY SYNTHESIZER CHARACTERISTICS...................................................................................13

4.7

ANALOG TEMPERATURE SENSOR .......................................................................................................14

4.8

DC CHARACTERISTICS .......................................................................................................................14

4.9

POWER-ON RESET .............................................................................................................................. 14

PIN CONFIGURATION .......................................................................................................................... 15

CIRCUIT DESCRIPTION........................................................................................................................17

APPLICATION CIRCUIT........................................................................................................................17

CONFIGURATION OVERVIEW ..............................................................................................................19

CONFIGURATION SOFTWARE ..............................................................................................................20

4-WIRE SERIAL CONFIGURATION AND DATA INTERFACE ...................................................................21

10.1

CHIP STATUS BYTE ............................................................................................................................ 22

10.2

REGISTER ACCESS .............................................................................................................................. 23

10.3

SPI READ ...........................................................................................................................................23

10.4

COMMAND STROBES .......................................................................................................................... 24

10.5

FIFO ACCESS .....................................................................................................................................24

10.6

PATABLE

ACCESS ............................................................................................................................. 24

MICROCONTROLLER INTERFACE AND PIN CONFIGURATION ............................................................... 25

11.1

CONFIGURATION INTERFACE ..............................................................................................................25

11.2

GENERAL CONTROL AND STATUS PINS .............................................................................................. 25

11.3

OPTIONAL RADIO CONTROL FEATURE ............................................................................................... 26

DATA RATE PROGRAMMING...............................................................................................................26

RECEIVER CHANNEL FILTER BANDWIDTH.......................................................................................... 27

DEMODULATOR, SYMBOL SYNCHRONIZER AND DATA DECISION.......................................................27

14.1

FREQUENCY OFFSET COMPENSATION.................................................................................................27

14.2

BIT SYNCHRONIZATION......................................................................................................................27

14.3

BYTE SYNCHRONIZATION...................................................................................................................28

PACKET HANDLING HARDWARE SUPPORT ......................................................................................... 28

15.1

DATA WHITENING .............................................................................................................................. 29

15.2

PACKET FORMAT................................................................................................................................ 29

15.3

PACKET FILTERING IN RECEIVE MODE ............................................................................................... 31

15.4

CRC CHECK .......................................................................................................................................31

15.5

PACKET HANDLING IN TRANSMIT MODE............................................................................................ 32

15.6

PACKET HANDLING IN RECEIVE MODE .............................................................................................. 32

15.7

PACKET HANDLING IN FIRMWARE......................................................................................................33

MODULATION FORMATS.....................................................................................................................33

16.1

FREQUENCY SHIFT KEYING ................................................................................................................33

16.2

MINIMUM SHIFT KEYING....................................................................................................................33

CC2500-RTY1 数据表(PDF) 4 Page - Texas Instruments

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