Telit Wireless Solutions LN940 WWAN M.2, Руководство пользователя

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Contents
NOTICE 2
COPYRIGHTS ................................................................................................ 2
COMPUTER SOFTWARE COPYRIGHTS ...................................................... 2
USAGE AND DISCLOSURE RESTRICTIONS ............................................... 3
APPLICABILITY TABLE ................................................................................ 5
CONTENTS .................................................................................................... 7
1. INTRODUCTION........................................................................... 9
Scope ............................................................................................ 9
Audience ....................................................................................... 9
Contact Information, Support ........................................................ 9
2. OVERVIEW ................................................................................. 10
M.2 Overview .............................................................................. 10
2.1.1. General Features ........................................................................ 10
2.1.2. Carrier Aggregation ..................................................................... 14
M.2 WWAN Module – System Block Diagram ............................. 16
Host Interface Signals ................................................................. 17
3. WWAN M.2 INTERFACE DETAILS ............................................ 22
Interprocessor Communications (IPC) ......................................... 22
3.1.1. USB 2.0 High-Speed ................................................................... 22
3.1.2. USB 3.0 Super-Speed ................................................................. 23
USIM Interface ............................................................................ 24
3.2.1. SIM Design Recommendations ................................................... 24
System Control Interface ............................................................. 26
3.3.1. Power On & Reset ...................................................................... 26
3.3.2. Host Radio Disable Operation ..................................................... 27
3.3.3. LED Interface – Status Indicator .................................................. 29
3.3.4. Wake on WWAN Signal .............................................................. 30
3.3.5. Dynamic Power Reduction .......................................................... 31
Tunable Antenna Interface .......................................................... 32
In-Device Coexistence Interface .................................................. 33
Power Supply Interface ............................................................... 34