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Apply requirements planning in embedded system design (Part 3)

Posted: 20 Dec 2010     Print Version  Bookmark and Share

Keywords:embedded systems design  electronic alarm clock  timing requirement 

This six part tutorial takes you step by step through development of an embedded systems design requirements document for a seven-digit electronic alarm clock. Part 3 is focused on defining the system timing requirement.

While the topic of timing has already been raised in previous parts in this series, the discussion here will be expanded to include the execution and response time of the software functions.

When discussing timing in embedded software, there are typically two types of timing requirements, rate of execution and response time. Rate of execution deals with the event-to-event timing within a software function. It can be the timing between changes in an output, time between samples of an input, or some combination of both.

View the PDF document for more information.

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