HE910 Hardware User Guide
1VV0300925 Rev. 32 Page 5 of 111 2019-11-25
Contents
NOTICE 2
COPYRIGHTS ................................................................................................ 2
COMPUTER SOFTWARE COPYRIGHTS ...................................................... 2
USAGE AND DISCLOSURE RESTRICTIONS ............................................... 3
APPLICABILITY TABLE ................................................................................ 4
CONTENTS .................................................................................................... 5
1. INTRODUCTION .......................................................................... 9
Scope ........................................................................................... 9
Audience....................................................................................... 9
Contact info and Support .............................................................. 9
Text Conventions ........................................................................ 10
Related Documents .................................................................... 11
2. OVERVIEW ................................................................................ 12
3. HE910 MODULE CONNECTIONS ............................................ 13
Pin-Out ....................................................................................... 13
3.1.1. LGA Pads Layout (HE910) ......................................................... 26
3.1.2. LGA Pads Layout (HE910-D) ...................................................... 27
3.1.3. LGA Pads Layout (HE910-EUD/EUR, HE910-NAD/NAR and HE910-GL) 28
3.1.4. LGA Pads Layout (HE910-EUG and HE910-NAG) ..................... 29
4. HARDWARE COMMANDS ........................................................ 30
Turning ON the HE910 ............................................................... 30
Turning OFF the HE910 .............................................................. 35
HE910 Unconditional Shutdown ................................................. 37
5. POWER SUPPLY ....................................................................... 41
Power Supply Requirements ....................................................... 41
Power Consumption ................................................................... 42
General Design Rules ................................................................. 44
5.3.1. Electrical Design Guidelines ....................................................... 44
5.3.1.1. + 5V input Source Power Supply Design Guidelines ................... 44
5.3.1.2. + 12V input Source Power Supply Design Guidelines ................. 45
5.3.1.3. Battery Source Power Supply Design Guidelines ........................ 46
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