CC2480

Table Of Contents

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

DESCRIPTION ................................................................................................................................................ 1

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

TABLE OF CONTENTS ................................................................................................................................. 2

1

ABBREVIATIONS ................................................................................................................................ 4

2

REFERENCES ...................................................................................................................................... 5

3

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

4

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

5

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

5.1

GENERAL CHARACTERISTICS ................................................................................................................ 8

5.2

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

5.3

RF TRANSMIT SECTION......................................................................................................................... 9

5.4

32 MHZ CRYSTAL OSCILLATOR.......................................................................................................... 10

5.5

32.768 KHZ CRYSTAL OSCILLATOR .................................................................................................... 10

5.6

32 KHZ RC OSCILLATOR..................................................................................................................... 11

5.7

16 MHZ RC OSCILLATOR ................................................................................................................... 11

5.8

FREQUENCY SYNTHESIZER CHARACTERISTICS ................................................................................... 12

5.9

ANALOG TEMPERATURE SENSOR ........................................................................................................ 12

5.10

ADC ................................................................................................................................................... 12

5.11

CONTROL AC CHARACTERISTICS........................................................................................................ 14

5.12

SPI AC CHARACTERISTICS ................................................................................................................. 15

5.13

PORT OUTPUTS AC CHARACTERISTICS ............................................................................................... 15

5.14

DC CHARACTERISTICS ........................................................................................................................ 15

6

PIN AND I/O PORT CONFIGURATION ........................................................................................ 17

7

CIRCUIT DESCRIPTION ................................................................................................................. 19

8

APPLICATION CIRCUIT ................................................................................................................. 20

8.1

INPUT / OUTPUT MATCHING ................................................................................................................. 20

8.2

BIAS RESISTORS .................................................................................................................................. 20

8.3

CRYSTAL............................................................................................................................................. 20

8.4

VOLTAGE REGULATORS ...................................................................................................................... 20

8.5

POWER SUPPLY DECOUPLING AND FILTERING...................................................................................... 21

9

PERIPHERALS ................................................................................................................................... 23

9.1

RESET ................................................................................................................................................. 23

9.2

I/O PORTS............................................................................................................................................ 23

9.3

ADC ................................................................................................................................................... 25

9.4

RANDOM NUMBER GENERATOR ......................................................................................................... 27

9.5

USART............................................................................................................................................... 28

10

RADIO .................................................................................................................................................. 29

10.1

IEEE 802.15.4 MODULATION FORMAT ............................................................................................... 30

10.2

DEMODULATOR, SYMBOL SYNCHRONIZER AND DATA DECISION ....................................................... 31

10.3

FRAME FORMAT.................................................................................................................................. 31

10.4

SYNCHRONIZATION HEADER ............................................................................................................... 32

10.5

MAC PROTOCOL DATA UNIT ............................................................................................................... 32

10.6

FRAME CHECK SEQUENCE ................................................................................................................... 32

10.7

LINEAR IF AND AGC SETTINGS .......................................................................................................... 33

10.8

CLEAR CHANNEL ASSESSMENT........................................................................................................... 33

10.9

VCO AND PLL SELF-CALIBRATION.................................................................................................... 33

10.10 INPUT / OUTPUT MATCHING................................................................................................................ 33

10.11 SYSTEM CONSIDERATIONS AND GUIDELINES ...................................................................................... 34

10.12 PCB LAYOUT RECOMMENDATION ...................................................................................................... 35

10.13 ANTENNA CONSIDERATIONS ............................................................................................................... 35

CC2480 Data Sheet SWRS074A

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