August 2008
Beginner to intermediate
304 pages
6h 2m
English
Content preview from Programming 8-bit PIC Microcontrollers in C
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Design Specification
The starting point for an electronics design is a specification, which should state clearly the system performance requirements. Our example project is called BAR1 (Figure A.1). This is used as the project folder name and the file name for the project files. The specification is as follows: When a button is pressed, the system generates an 8-bit binary count, starting at 0, on a bar graph display. The output frequency at the least significant bit is 50 Hz, giving an overall cycle time of 2.56 sec.
Figure A.1. BAR1 System Block Diagram
This specification could be elaborated by, for example, requiring a battery supply. In that ...
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