CC2500_11 Datasheet, PDF (4/96 Pages) Texas Instruments – Low-Cost Low-Power 2.4 GHz RF Transceiver

CC2500
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
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...........................................................................................................................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
5
PIN CONFIGURATION ..........................................................................................................................15
6
CIRCUIT DESCRIPTION........................................................................................................................17
7
APPLICATION CIRCUIT........................................................................................................................17
8
CONFIGURATION OVERVIEW ..............................................................................................................19
9
CONFIGURATION SOFTWARE ..............................................................................................................20
10 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
11 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
12 DATA RATE PROGRAMMING...............................................................................................................26
13 RECEIVER CHANNEL FILTER BANDWIDTH..........................................................................................27
14 DEMODULATOR, SYMBOL SYNCHRONIZER AND DATA DECISION.......................................................27
14.1 FREQUENCY OFFSET COMPENSATION.................................................................................................27
14.2 BIT SYNCHRONIZATION......................................................................................................................27
14.3 BYTE SYNCHRONIZATION...................................................................................................................28
15 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
16 MODULATION FORMATS.....................................................................................................................33
16.1 FREQUENCY SHIFT KEYING ................................................................................................................33
16.2 MINIMUM SHIFT KEYING....................................................................................................................33
SWRS040C
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