May 2005
Beginner to intermediate
398 pages
12h 12m
English
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The Importance of Reading the Datasheet
Before starting any design, you need to work out the basic requirements for your system (what it will do, how much it will cost) and select the major components you will need (such as a processor, I/O, and memory). Before you do anything else, obtain the datasheets for these components and read them from beginning to end. These can typically be found on manufacturers' web sites. (Every chip used in this book was specifically chosen because it had full technical data available online.) Just go to the manufacturer's web site and download the relevant documentation.
Once you've read the data thoroughly and feel you understand it, go back and reread it to pick up all the things you missed on the first pass. It's much better to discover something critical that you've missed before you design and build a computer, rather than after.
Always make sure you have the latest datasheets and errata (datasheet bug lists) before you begin a design. Using a datasheet that is even a little bit old is not a good idea. It is not unusual for the electrical and technical specifications to change from time to time, so it's critical that you use the latest (and most accurate) data.
It is very important that you understand how the devices work. When you are debugging your system, you have to know what to look for to know whether different parts of your computer are functioning. Don't assume anything about the functionality of the devices. Read and check everything carefully, ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.