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Quiz 7-solution - the device address of from the address...

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Quiz 7 ECE 331 April 8, 2009 Question 1. What is the main difference between memory mapped I/O and isolated I/O addressing? Isolated I/O addressing requires an extra pin, M/IO’ 2. For an external I/O device, what hardware unit (what type of circuit) can be used to determine
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Unformatted text preview: the device address of from the address bus signals. 1) decoder or 2) comparator 3. What controls if a bidirectional data port is an input or an output? data direction register...
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