Science, asked by ADSINGH4953, 1 year ago

Difference between memory mapped io and io mapped io in tabular form

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Answered by writersparadise
6
In the interfacing of the microprocessor, I/O is a general-purpose port used by processor or controller to handle peripherals connected to it.

I/O mapped I/Os have a separate address space from the memory. The total addressed capacity is the number of I/Os connected and the memory connected. Separate I/O-related instructions are used to access I/Os. A separate signal is used for addressing an I/O device.

Memory-mapped I/Os share the memory space with external memory. So, total addressed capacity is memory connected only. It is considered to be underutilization of resources if this processor supports I/O-mapped I/O. The instructions used to access I/Os are same as that used for memory. There is only one address space. 

You can put these details into a tabular column.
Answered by srimaan50
2

Answer:

In the interfacing of the microprocessor, I/O is a general-purpose port used by processor or controller to handle peripherals connected to it.

I/O mapped I/Os have a separate address space from the memory. The total addressed capacity is the number of I/Os connected and the memory connected. Separate I/O-related instructions are used to access I/Os. A separate signal is used for addressing an I/O device.

Memory-mapped I/Os share the memory space with external memory. So, total addressed capacity is memory connected only. It is considered to be underutilization of resources if this processor supports I/O-mapped I/O. The instructions used to access I/Os are same as that used for memory. There is only one address space. 

You can put these details into a tabular column.

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