Microprocessor - 8085
The 8085 Microprocessor, designed by Intel, is an 8-bit programmable integrated device with computing and decision-making capabilities similar to a computer's CPU. It features a 16-bit address bus, 8-bit data bus, program counter, stack pointer, and six 8-bit registers. Operating at 3.2 MHz with a +5V supply, it finds applications in various devices like washing machines, microwave ovens, and mobile phones. Explore the architecture, configuration, and interconnections of this versatile microprocessor system.
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Microprocessor - 8085 By Prof .A. ARPUTHARAJ Department of Electronics St. Josephs college
Microprocessor The microprocessor is a programmable integrated device that has computing and decision-making capability similar to that of the central processing unit(CPU) of the computer. Microprocessors are used to handle a set of tasks that control one or more external events or systems
Microprocessor -8085 Introduction 8085 is pronounced as "eighty-eighty-five" microprocessor. It is an 8-bit microprocessor designed by Intel in 1977 using NMOS technology.
It has the following configuration It has the following configuration 8-bit data bus 16-bit address bus, which can address upto 64KB A 16-bit program counter A 16-bit stack pointer Six 8-bit registers arranged in pairs: BC, DE, HL Requires +5V supply to operate at 3.2 MHZ single phase clock It is used in washing machines, microwave ovens, mobile phones, etc.
Processor System Architecture The typical processor system consists of: CPU (central processing unit) ALU (arithmetic-logic unit) Control Logic Registers, etc Memory Input / Output interfaces
DATA SIZE Nibble 4 bit Byte 8 bit Word 16 bit Long word 32 bit 10
Interconnections between these units: Address Bus Data Bus Control Bus
