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Chapter 4
DE1-SoC System
Builder
This chapter describes how users can create a custom design project on the board by using the
DE1-SoC Software Tool – DE1-SoC System Builder.
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The DE1-SoC System Builder is a Windows-based software utility, designed to assist users to create
a Quartus II project for the board within minutes. The generated Quartus II project files include:
Quartus II Project File (.qpf)
Quartus II Setting File (.qsf)
Top-Level Design File (.v)
Synopsis Design Constraints file (.sdc)
Pin Assignment Document (.htm)
By providing the above files, the DE1-SoC System Builder prevents occurrence of situations that
are prone to errors when users manually edit the top-level design file or place pin assignments. The
common mistakes that users encounter are the following:
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Board damage due to wrong pin/bank voltage assignments.
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Board malfunction caused by wrong device connections or missing pin counts for connected
ends.
3.
Performance degeneration due to improper pin assignments.
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This section will introduce the general design flow to build a project for the development board via
the DE1-SoC System Builder. The general design flow is illustrated in
Figure 4-1
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Summary of Contents for DE1-SOC
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