Project Solutions

Hands-on CPLDs -Part I: Experimental rev counter (3)

Published:2011/7/20 22:10:00 Author:Li xiao na

By A. Rosenkranzer The peripheral circuitry Figure 2 shows the detail circuit diagram of the tachometer. IC1 is the CPLD type EPM7128S from Altera packaged in a 84-pin PLCC outline. The chip has a total of eight ground pins that must all be connected to GND. There are also two types of VCC connection on the...   (View)

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Hands-on CPLDs -Part I: Experimental rev counter (2)

Published:2011/7/20 21:44:00 Author:Li xiao na

By A. Rosenkranzer Hands-on This article and its follow-up does not concentrate too heavily on a theoretical textbook approach to the use of CPLDs in digital designs instead we use a practical hands-on method. Here we build a digital rev counter (tachometer) suitable for use in most cars or motorbikes. The rev counter design is quite straightforward and should make a good introduction ...   (View)

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