XE1202A Просмотр технического описания (PDF) - Semtech Corporation

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Компоненты Описание

производитель

XE1202A

433 MHz / 868 MHz / 915 MHz Low-Power, Integrated UHF Transceiver

Semtech Corporation 

XE1202A TrueRF™

TABLE OF CONTENTS

1

2

3

3.1

3.2

3.2.1

3.2.2

4

4.1

4.1.1

4.1.2

4.1.3

4.1.4

4.1.5

4.1.6

4.1.7

5

5.1

5.1.1

5.1.2

5.1.3

5.2

5.2.1

5.2.2

5.2.3

5.2.4

5.2.5

5.3

5.4

5.5

5.6

5.7

5.8

6

6.1

6.2

6.3

6.4

6.5

7

Functional Block Diagram....................................................................................................................... 4

Pin description......................................................................................................................................... 5

Electrical Characteristics ........................................................................................................................ 6

Absolute Maximum Operating Ranges.................................................................................................. 6

Specifications........................................................................................................................................ 6

Operating Range ....................................................................................................................................... 6

Electrical Specifications ............................................................................................................................. 6

Description ............................................................................................................................................... 9

Detailed description .................................................................................................................................. 9

Receiver .................................................................................................................................................... 9

Receiver LNA modes .............................................................................................................................. 10

RSSI ........................................................................................................................................................ 11

Frequency Error Indicator - FEI................................................................................................................ 11

Transmitter............................................................................................................................................... 14

Pattern recognition................................................................................................................................... 15

Frequency synthesizer............................................................................................................................. 15

Serial Interface Definition, Principles of Operation............................................................................. 16

Serial Control Interface ............................................................................................................................ 16

General description.................................................................................................................................. 16

Write sequence........................................................................................................................................ 16

Read sequence........................................................................................................................................ 16

Configuration and Status registers ........................................................................................................... 17

RTParam configuration register ............................................................................................................... 17

FSParam configuration register ............................................................................................................... 19

DataOut register ...................................................................................................................................... 20

ADParam configuration register ............................................................................................................... 20

Pattern register ........................................................................................................................................ 21

Operating Modes ................................................................................................................................ 23

Transmitted Data Interface ................................................................................................................. 25

Received Data Interface ..................................................................................................................... 25

Pattern Recognition Interface.............................................................................................................. 26

Clock Output Interface ........................................................................................................................ 26

Default settings at power-up ............................................................................................................... 26

Application Information......................................................................................................................... 27

Receiver matching network................................................................................................................. 27

Transmitter matching network ............................................................................................................ 27

VCO tank ............................................................................................................................................ 29

Loop filter of the frequency synthesizer............................................................................................... 30

Reference crystal for the frequency synthesizer ................................................................................. 30

Packaging information .......................................................................................................................... 32

© Semtech 2006

3

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