User's Manual

HE910 Hardware User Guide
1vv0300925 Rev.28 – 2015-06-24
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 9 of 9
1.4 Document Organization
This document contains the following chapters:
Chapter 1: “Introduction” provides a scope for this document, target audience, contact and
support information, and text conventions.
Chapter 2: “Overview” provides an overview of the document.
Chapter3: “HE910 Module Connections” deals with the pin out configuration and layout.
Chapter 4: “Hardware Commands” How to operate on the module via hardware.
Chapter 5: “Power supply” Power supply requirements and general design rules.
Chapter 6: “GSM/WCDMA Radio” The antenna connection and board layout design are the
most important parts in the full product design.
Chapter 7: “GPS Receiver” This section describes the GPS receiver.
Chapter 8: “Logic Level specifications” Specific values adopted in the implementation of logic
levels for this module.
Chapter 9: “USB Port” The USB port on the Telit HE910 is the core of the interface between the
module and OEM hardware
Chapter 10: “SPI port” Refers to the SPI port of the Telit HE910
Chapter 11: “USB HSIC” Refers to the USB HSIC port of the Telit HE910
Chapter 12: “Serial ports” Refers to the serial ports of the Telit HE910
Chapter 13: “Audio Section overview” Refers to the audio blocks of the Base Band Chip of the
HE910 Telit Modules.
Chapter 14: “General Purpose I/O” How the general purpose I/O pads can be configured.
Chapter 15: “Mounting the HE910 on the application board” Mechanical dimensions and
recommendations on how to mount the module on the user’s board.
Chapter 16: “Safety Recommendations” Information related to the Safety topics.
Chapter 17: “Conformity Assessment Issues” Information related to the Conformity
Assessments.