User's Manual

L
LE920 Hardware User Guide
1vv0301026 Rev.0 - draft4 – 2013-05-
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights Reserved. Page 10 of 76
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: “General Product Description”
gives an overview of the features of the product.
Chapter 3: “LE920 Module Connections”
deals with the pin out configuration and layout.
Chapter 4: “Hardware Commands”
How to control the module via hardware
Chapter 5: “Power Supply”
deals on supply and consumption.
Chapter 6: “Antenna”
The antenna connection and board layout design are the most important
parts in the full product design
Chapter 7: “Logic Level specifications”
Specific values adopted in the implementation of
logic levels for this module.
Chapter 8: “USB Port”
Chapter 9: “Serial Ports”
Chapter 10: “Audio Section Overview”
Chapter 11: “General Purpose I/O”
How the general purpose I/O pads can be configured.
Chapter 12 “DAC and ADC Section”
Deals with these two kind of converters.
Chapter 13: “Mounting the module on your board”
Chapter 14: “Application Guides”
Chapter 15: “Packing System”
Chapter 16: “Conformity Assessments”
Chapter 17: “Safety Recommendations”
Chapter 18: “Document History”