Ways to Use USB in Embedded Systems

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Micro Digital has recently released a helpful white paper concerning how to use USB in Embedded Systems. The paper, written by Yingbo Hu, R&D Embedded Software Engineer, and Ralph Moore, President, presents 11 methods to use USB in embedded systems.

Most embedded engineers I talk to do not understand USB. This article is intended to help them better understand how it works and how to apply it. We hope it will be a useful contribution to the embedded space.

As the article states in its conclusion, "USB usage in embedded systems so far has been largely centered on dealing with the loss of serial and parallel ports on PCs and laptops, the loss of parallel interface printers, and with capitalizing on the low cost and convenience of USB thumb drives for transporting information. However, as we hope this article has shown, USB offers many other capabilities that are available to solve other problems in the embedded space. We expect to see these uses grow in the future."

The description of each method consists of a block diagram showing how software and hardware functional blocks connect together and a description of how the subsystem operates. Examples are: PC to Device via USB Serial, PC to Device via USB Disk, Web Server Access via RNDIS (Ethernet over USB), USB Multi-port Serial Device, USB Thumb Drive Support, USB to WiFi, and Connection to Multiple Sensors and Actuators. The article also provides a general introduction to USB.

According to Mr. Moore "Most embedded engineers I talk to do not understand USB. This article is intended to help them better understand how it works and how to apply it. We hope it will be a useful contribution to the embedded space." The article is posted on Micro Digital's website at http://www.smxrtos.com/articles/usb_art/waysusb.htm.

About Micro Digital
Micro Digital, Inc. has been in the embedded systems business for over 30 years and has been producing and selling embedded software products for 19 years. The company is dedicated to providing quality products and support for embedded systems at moderate prices.

Trademarks used above are the properties of their respective owners

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Betty Martin-Danner

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