8-bit microprocessors are limited in their speed (the number of instructions that can be executed in 1 s), directly addressable memory, data handling capability, and so forth. Innovations in semiconductor technology have made it possible for the manufacturers to develop … Read More
Tag: Microprocessors
How a Microcontroller can be used in a Temperature Measurement System
The figure below illustrates the key elements of a temperature measurement system employing a MC68HC11 microcontroller.
The temperature sensor provides a voltage proportional to the temperature; an example of such a sensor … Read More
Data Registers
Data registers are used in microcomputers to hold data temporarily. Normally this data can be accessed faster than if it were to be fetched from the memory.
The figure below shows a 4-bit data register that utilizes a negative edge-triggered … Read More
Peripheral Devices used with Microprocessors
Microprocessors and peripheral devices provide a complete solution in enhancing complex application environments. In this article, we look at some of the common peripheral devices that are used along with the microprocessor in a microcomputer system.
The different peripheral devices … Read More
6 Types of Microprocessor Addressing Modes
SIMD, MISD & MIMD Multiple Processor Architectures
Introduction
Parallel processing, in which applications are partitioned into multiple tasks that are executed concurrently by multiple processors is used for high-throughput needs where even the single fastest computer cannot be good enough.
Multiple processor system architectures differ widely in … Read More
The Pentium Series of Microprocessors
The Pentium processors have a 64-bit data bus which is a major advancement in personal computer CPU design. In actual fact, the Pentium family of processors has its origins in the Intel 486 processor, and has similar instruction set with … Read More
Computer Memory Organization
A computer system uses memory elements for storing program instructions, data, and other information. From the perspective of the instruction set, a memory is an array of words, each identified by a unique address that indicates its location within the … Read More
Basic Microprocessor Instructions
Microprocessors perform various basic operations that include data transfer instructions, arithmetic instructions, logic instructions, control transfer instructions and machine control operations. This set of commands (instructions set) used to control the functions of a microprocessor is specific to a given … Read More
The Intel 8085 Microprocessor
The 8085 Microprocessor is one of the most popular microprocessors. In this article we look at some of the basic features and pin-out configuration of this microprocessor.
The block diagram of the 8085 microprocessor is shown below:
