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2013年4月13日

Introduction to Serial Communications

摘要: Learn the basic principles of serial communication. This page also contains basic connector pinouts, recommended cable lengths and other useful information.Many PCs and compatible computers are equipped with two serial ports and one parallel port. Although these two types of ports are used for commu 阅读全文

posted @ 2013-04-13 02:13 Zero_Victor 阅读(418) 评论(0) 推荐(0) 编辑

Crystals and Oscillators

摘要: Most FPGA designs require stable clock signals, usually generated either from "crystals" or "oscillators". See Ecliptek, SaRonix and Vite as examples of quartz crystals and oscillators manufacturers.Crystals contain a resonator (Quartz) but no electronic and do not oscillate by t 阅读全文

posted @ 2013-04-13 01:47 Zero_Victor 阅读(417) 评论(0) 推荐(0) 编辑

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