When a microcontroller wants to access data in its external memory, it activates an active-LOW output pin
Question:
When a microcontroller wants to access data in its external memory, it activates an active-LOW output pin called R̅D̅ (read). The data book says that the R̅D̅ pulse typically has a pulse width tw of 50 ns, a rise time tr of 15 ns, and a fall time tf of 10 ns. Draw a scaled drawing of the R̅D̅ pulse.
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Figure 515 shows the drawing of the pulse The ...View the full answer
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Related Book For
Digital Systems Principles And Application
ISBN: 9780134220130
12th Edition
Authors: Ronald Tocci, Neal Widmer, Gregory Moss
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