User's Manual
Laird MSD45N
Hardware Integration Guide, version 0.04
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www.lairdtech.com/wireless
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Laird Technologies
CONTENTS
Revision History .......................................................................................................................... 2
Contents ..................................................................................................................................... 3
SCOPE ........................................................................................................................................... 4
Operational Description .............................................................................................................. 4
Block Diagram ............................................................................................................................. 5
Specifications .............................................................................................................................. 5
Recommended Operating Conditions and DC Electrical Characteristics ....................................... 9
SDIO Timing Requirements ...................................................................................................................... 9
Pin Definitions ........................................................................................................................... 10
MSD40NBT and MSD45N Pin Comparison Table ................................................................................... 15
Integration Considerations ....................................................................................................................... 16
Sharing antenna implementation....................................................................................................... 16
Mechanical Specifications .......................................................................................................... 17
Connector Overview ................................................................................................................................. 17
Mounting ............................................................................................................................................... 17
RF Layout Design Guidelines ..................................................................................................... 18
Regulatory ................................................................................................................................. 19
Certified Antennas ..................................................................................................................................... 19
Documentation Requirements ................................................................................................................ 19
Appendix A: Schematic .............................................................................................................. 26