Consider a hypothetical microprocessor generating a 16-bit address (for example, assume that the program counter and the address registers are 16 bits wide) and having a 16-bit data bus. a. What is the maximum memory address space that the processor can access directly if it is connected to a "16-bit memory"? b. What is the maximum memory address space that the processor can access directly if it is connected to an "8-bit memory"? c. What architectural features will allow this microprocessor to access a separate "I/O space"? d. If an input and an output instruction can specify an 8-bit I/O port number, how many 8-bit I/O ports can the microprocessor support? How many 16-bit I/O ports? Explain.

Consider a hypothetical microprocessor generating a 16-bit address (for example, assume that the program counter and the address registers are 16 bits wide) and having a 16-bit data bus. a. What is the maximum memory address space that the processor can access directly if it is connected to a "16-bit memory"? b. What is the maximum memory address space that the processor can access directly if it is connected to an "8-bit memory"? c. What architectural features will allow this microprocessor to access a separate "I/O space"? d. If an input and an output instruction can specify an 8-bit I/O port number, how many 8-bit I/O ports can the microprocessor support? How many 16-bit I/O ports? Explain.

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Description: Consider a hypothetical microprocessor generating a 16-bit address(for example, assume that the program counter and the addressregisters are 16 bits wide) and having a 16-bit data bus.a. What is the maximum memory address space that theprocessor can

Systems Architecture

7th Edition

ISBN:9781305080195

Author:Stephen D. Burd

Publisher:Stephen D. Burd

Chapter4: Processor Technology And Architecture

Section: Chapter Questions

Problem 2PE: If a microprocessor has a cycle time of 0.5 nanoseconds, what’s the processor clock rate? If the...

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