Hardware Reference Manual SOM
Version 1.0 - iii - eInfochips Confidential
Contents
1 Document Details..................................................................................................................................7
1.1 Document History .........................................................................................................................7
1.2 Definition, Acronyms and Abbreviations......................................................................................7
1.3 References ..................................................................................................................................10
2 License Agreement..............................................................................................................................11
3 Preface ................................................................................................................................................12
Intended Audience......................................................................................................................12
Intended Use...............................................................................................................................12
4 Overview .............................................................................................................................................13
Key Features................................................................................................................................14
Applications.................................................................................................................................15
5 Getting Started....................................................................................................................................16
Prerequisites ...............................................................................................................................16
Starting the Eragon624 SOM for the first time with Eragon624 Carrier ....................................16
6 System Block Diagram.........................................................................................................................17
ERAGON624 BOARD IMAGE........................................................................................................18
Major Blocks of ERAGON624 SOM Module................................................................................31
6.2.1 Processor APQ8053 - Features and interfaces....................................................................31
6.2.2 Memory Interface ...............................................................................................................32
6.2.3 Wi-Fi + BT Interface.............................................................................................................32
6.2.4 GPS Interface.......................................................................................................................32
6.2.5 PMIC Interface ....................................................................................................................33
6.2.6 System LEDs ........................................................................................................................33
6.2.7 Shielding..............................................................................................................................33
Guidelines to Design Carrier Board............................................................................................. 34
6.3.1 Power Supply ......................................................................................................................34
6.3.2 Boot Configuration..............................................................................................................34
6.3.3 General Purpose Keys (as per Eragon624 Carrier Board) ...................................................35
6.3.4 USB Interface ......................................................................................................................35
