User's Manual

GL865 Hardware User Guide
1vv0300910 Rev.1 – 2011-07-22
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved
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Chapter 2: “Overview” provides an overview of the document.
Chapter 3: “GL865 Mechanical Dimensions”
Chapter 4: “GL865 Module Connections” deals with the pin out
configuration and layout.
Chapter 5: “Hardware Commands” How to operate on the module via
hardware.
Chapter 6: “Power supply” Power supply requirements and general design
rules.
Chapter 7: “Antenna” The antenna connection and board layout design are
the most important parts in the full product design.
Chapter 8: “Logic Level specifications” Specific values adopted in the
implementation of logic levels for this module.
Chapter 9: “Serial ports” The serial port on the Telit GL865 is the
core of the interface between the module and OEM hardware
Chapter 10: “Audio Section overview” Refers to the audio blocks of the
Base Band Chip of the GL865 Telit Modules.
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 GL865 on the application board”
Recommendations and specifics on how to mount the module on the user’s
board.
1.5. Text Conventions
Danger – This information MUST be followed or catastrophic equipment
failure or bodily injury may occur.