What is a .EQN file?
The .EQN file extension is used for a type of file called a WordPerfect Equation. This isn't about math equations, though. Instead, it's about giving instructions to special computer chips. These chips are known as programmable logic devices (PLDs), and one kind of these chips is called GALs, which stands for gate array logic. Imagine you have a tiny chip that can be told to do different tasks. The .EQN file is like a list of instructions written in a simple, plain text format that tells the chip what to do. These instructions are written as logic equations. It's a bit like writing a recipe for the chip to follow, so it knows how to behave in certain situations.
To work with these .EQN files, you can use a program called Altium Designer. This program lets you create and edit these instruction lists. There's also a tool called eqn2jed. After you've made your .EQN file with the instructions, you usually need to change it into a different type of file called a .JED file. This .JED file is in a binary format, which is a way computers and chips can easily understand and use. The .JED file is what you finally use to program your GAL chip, telling it exactly what to do.
So, in simple terms, an .EQN file is like a recipe for programming special computer chips, and you need specific software like Altium Designer to make or change these recipes. After that, you convert your recipe into a format the chip can understand, and then you can program the chip to do what you want.
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