1 Introduction
1.1 Overview
This document guides the development of a customized carrier board for the Colibri computer
module. It describes the different interfaces and contains reference schematics. This document
reflects only the standardized primary function of the Colibri modules. The alternative functions are
not guaranteed to be compatible between different Colibri modules. These interfaces are described
in the datasheet of each computer module. Some Colibri modules do not feature the complete set
of standard interfaces. Therefore, it is strongly recommended to read the datasheets of the
modules that are intended to be used with the carrier board.
Some of the Colibri computer module interfaces, such as High-Speed USB and Ethernet, require
special layout considerations regarding trace impedance and length matching. Please carefully
read the Toradex Layout Design Guide for additional information related to the routing of these
interfaces.
1.2 Additional Documents
1.2.1 Layout Design Guide
This document contains layout requirement specifications for the high-speed signals and avoids
problems related to the layout.
http://developer.toradex.com/carrier-board-design/carrier-board-design-guides
1.2.2 Colibri Module Datasheets
There is a datasheet available for every Colibri module. Amongst other things, this document
describes the type-specific interfaces and the alternative function of the pins. Before starting the
development of a customized carrier board, please check this document to determine whether the
required interfaces are available on the selected modules.
https://www.toradex.com/computer-on-modules/colibri-arm-family
1.2.3 Toradex Developer Center
You can find a lot of additional information at the Toradex Developer Center, which is updated
with the latest product support information regularly.
Please note that the Developer Center is common for all Toradex products. You should always
check to ensure if the information is valid or relevant for the specific Colibri modules.
http://www.developer.toradex.com
1.2.4 Colibri Evaluation Board Schematics
We provide the complete schematics plus the Altium project file for the Colibri Evaluation Board for
free. This is a great help when designing your own Carrier Board.
http://developer.toradex.com/products/colibri-evaluation-board
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