Quatech 802.11B/G Especificaciones descargar pdf (Pagina 3)

CONTENTS

100-8004-102G Airborne Wireless LAN Node Module Data Book

Page i

Quatech, Inc. Confidential

CHAPTER 1 INTRODUCTION....................................................................................................................1

1.1 OVERVIEW ...................................................................................................................................... 1

1.2 CONFIGURATIONS............................................................................................................................ 1

1.3 FEATURES....................................................................................................................................... 2

1.4 APPLICATIONS .................................................................................................................................2

1.5 USING THIS DOCUMENT ................................................................................................................... 3

1.6 CONVENTIONS................................................................................................................................. 3

1.6.1 Terminology...........................................................................................................................3

1.6.2 Notes....................................................................................................................................4

1.6.3 Cautions ................................................................................................................................4

1.6.4 Courier Typeface...................................................................................................................4

1.7 RELATED DOCUMENTATION..............................................................................................................5

CHAPTER 2 AIRBORNE WIRELESS LAN NODE MODULE.....................................................................7

2.1 OVERVIEW ...................................................................................................................................... 7

2.2 SPECIFICATIONS .............................................................................................................................. 8

2.3 BLOCK DIAGRAM ............................................................................................................................. 9

2.4 HARDWARE DESCRIPTION ................................................................................................................9

2.4.1 Application Processor .........................................................................................................10

2.4.2 General Purpose Input/Output............................................................................................10

2.4.3 Static Random Access Memory..........................................................................................10

2.4.4 Flash Memory......................................................................................................................10

2.4.5 IEEE 802.11 Media Access Control....................................................................................10

2.4.6 IEEE 802.11 Baseband/RF.................................................................................................10

2.4.7 Transmit/Receive Switch.....................................................................................................11

2.4.8 A/B Diversity Switch ............................................................................................................11

2.4.9 External Antenna Connections ...........................................................................................11

2.4.10 Power Supply ......................................................................................................................11

2.4.11 High Speed UART Configurations ......................................................................................11

2.4.12 SPI Configurations ..............................................................................................................11

2.5 HOST PIN ASSIGNMENTS AND SIGNAL DESCRIPTIONS......................................................................12

2.6 ANTENNA PIN ASSIGNMENTS AND DESCRIPTIONS............................................................................ 16

2.7 RESET ..........................................................................................................................................16

2.8 AIRBORNE WLN MODULE OPERATION............................................................................................19

2.8.1 Power-up.............................................................................................................................19

2.8.2 Factory Reset......................................................................................................................19

2.9 DESIGN GUIDELINES ......................................................................................................................20

2.9.1 General Design Guidelines .................................................................................................20

2.9.2 SPI Design Guidelines ........................................................................................................20

2.9.3 WLN UART Connections ....................................................................................................21

2.9.4 WLN SPI Connections ........................................................................................................21

2.10 PACKAGE CONFIGURATION............................................................................................................23

2.11 ELECTRICAL CHARACTERISTICS..................................................................................................... 24

2.11.1 Absolute Maximum Ratings ................................................................................................24

2.11.2 Electrical Characteristics.....................................................................................................25

2.11.3 AC Electrical Characteristics – Receiver ............................................................................26

2.11.4 AC Electrical Characteristics – Transmitter ........................................................................26

2.11.5 Performance/Range............................................................................................................26

CHAPTER 3 RECOMMENDED LAYOUT PRACTICES............................................................................27

3.1 OVERVIEW ....................................................................................................................................27

3.2 MODULE MOUNTING GUIDELINES ................................................................................................... 27

1 2 3 4 5 6 7 8 ... 66 67

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