User's Manual

ManualsBrandsMicrochip Technology ManualsElectronicsRN-42

RN-42 Specification

CONTENTS

RN-42 Specification...............................................................................................................................1

Type： Release.........................................................................................................................1

Document： RN-42-001...................................................................................................................1

Version： 1.0.................................................................................................................................1

Release Date： Jan 08, 2010................................................................................................................1

Release Record ......................................................................................................................................1

Device Features .....................................................................................................................................2

Description.............................................................................................................................................2

Application.............................................................................................................................................3

1 Ordering Information ...................................................................................................................5

2 Key Features ..................................................................................................................................5

3 Block Diagram ...............................................................................................................................5

4 Electrical Characteristic ...............................................................................................................6

4.1 Absolute Maximum ratings ......................................................................................................6

4.2 Recommend operation conditions ...........................................................................................6

4.3 Electrica Characteristics ..........................................................................................................6

4.4 Radio characteristics .................................................................................................................7

4.5 Digital I/O characteristics .........................................................................................................7

5 Mechanical Dimensions ................................................................................................................8

6 Pin Definition Descriptions ...........................................................................................................9

7 Design Concerns ..........................................................................................................................12

7.1 Reset circuit .............................................................................................................................12

7.2 Factory reset PIO4 ..................................................................................................................12

7.3 Connection status ....................................................................................................................12

7.4 HCI mode .................................................................................................................................12

7.5 Using SPI bus for flash upgrade ............................................................................................12

7.6 Minimizing radio interface .....................................................................................................13

7.7 Soldering reflow profile ..........................................................................................................13

8 Reference Application Schematic ..............................................................................................14

9 SMT Reflow Profile .....................................................................................................................15

9.1 Reliability solder temperature chart: ....................................................................................15

9.2 Reflow temperature chart: .....................................................................................................15

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