Innovative Integration
Innovative Integration provides board-level hardware products that integrate the best analog I/O and reconfigurable FPGAs to provide cost-effective solutions for challenging data acquisition and signal processing applications.

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Introduction to Serial Communications
All IBM PC and compatible computers are typically equipped with two serial ports and one parallel port. Although these two types of ports are used for communicating with external devices, they work in different ways. A parallel port sends and receives data eight bits at a time over 8 separate wires. This allows data to be transferred very quickly; however, the cable required is more bulky because of the number of individual wires it must...
preview: http://www.taltech.com   |

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Practical Tips on Serial Communications
In many cases getting serial output from a computer or controller is a no-brainer. You don't need to know how it works--just hook up to a designated port or pin and there you are. But when you're building from scratch or troubleshooting a poorly documented system it can be valuable to understand some under-the-hood details. That's where this app note comes in.
preview: http://www.seetron.com   date: 5/9/2000 |

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RS-232 @ Wikipedia
In telecommunications, RS-232 is a standard for serial binary data interconnection between a DTE (Data terminal equipment) and a DCE (Data Circuit-terminating Equipment). It is commonly used in computer serial ports. A similar ITU-T standard is V.24. The standard was originally promulgated by RETMA, a precursor of the Electronic Industries Alliance. RS is an abbreviation for RETMA Standard.
preview: http://en.wikipedia.org   |

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The RS232 Standard
During this 40-year-long, rapidly evolving period in electronics, manufacturers adopted simplified versions of this interface for applications that were impossible to envision in the 1960s. Today, virtually all contemporary serial interfaces are EIA232-like in their signal voltages, protocols, and connectors, whether or not a modem is involved. Because no single 'simplified' standard was agreed upon, however, many slightly different...
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