The address and data bus are multiplexed in this processor which helps in providing more control signals. This page of 8085 microprocessor tutorial describes 8085 microprocessor programming. Dd rdy int d3 cc 8008 photomicrograph with pin designations. Processor 8085 pdf internal architecture of 8085 microprocessor. Immediate addressing,register addressing,direct addressing,indirect addressing. Intel 8085 microprocessor is the next generation of intel 8080 cpu family. A word refers to the basic data size or bit size that can be processed by the arithmetic and logic unit of the processor.
The intel 8085a is a new generation, complete 8 bit parallel central processing unit. The intel 8085a is a new generation, complete 8 bit parallel central processing unit cpu. Intel 8 bit hmos microprocessors,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Intel manual of 8085 microprocessor architecture pdf 08mtcs051. The address is split between the 8bit address bus and the 8bit data bus. Unlike the 8080 it does not multiplex state signals onto the data bus, but the 8bit data bus is instead multiplexed with the lower 8bits of the 16bit. The processor has attributes of both 8and 16bit microprocessors. Clock oscillator and system controller were integrated. A 16bit binary number is called a word in a 16bit processor. It is directly compatible with 8086 software and 80808085 hardware and peripherals. Pdf 085a8085a2 085a2 080acompatible afn01242b intel 8085a instruction set 8085a intel 8355 527 t60 intel 8355 ic intel 8085a ic intel 8085a 8085a2 intel 808 bq85a.
Microprocessor 8085 datasheet pdf with the 8080a microprocessor, and it is designed to improve the present. The time for the back cycle of the intel 8085 a 2 is 200 ns. The clock and controller of intel 8080 were on separate chip and it utilizes two separate power supplies. Jameco will remove tariff surcharges for online orders on instock items learn more. In addition to being faster than the 8080, the 8085 had the following enhancements. Its instruction set is 100% software compatible with the 8080a microprocessor, and it is designed to improve the present 8080s performance by higher system speed. These are two ways in which a microprocessor can come out of halt state. The microprocessor is one of most known subject is computer engineering branch. Intel, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. The ebook has complete chapters on microprocessor and it is. The intel 80808080a was n ot objectcode compatible with the 8008, but it was sourcecode.
Mvi b, 3eh move the data 3eh given in the instruction to b register. Over view of microprocessor 8085 and its application. Intel, alldatasheet, datasheet, datasheet search site for electronic components and. The number of bits that can be stored in a register or memory element is called a memory word. Intel 8080 microprocessor is a successor to the intel 8008 cpu. Mf116701 sed 35 series lcd controller icstechnical. Here is the byte sequence from address 8100 to 8105. Microprocessor 8085 was introduced by intel in the year 1977 8. A microprocessor is a programmable digital electronic component that incorporates the functions of a. Tutorial on introduction to 8085 architecture and programming. The 8085a incorporates all of the features that mental ray pdf the 8224 clock generator and 8228. Microprocessors and microcontrollersarchitecture of.
It is a 40 pin c package fabricated on a single lsi chip. It determines the number of operations per second the processor can perform. Intel 8bit microprocessor,alldatasheet, datasheet, datasheet search site for electronic components. It is the number of bits processed in a single instruction. The datasheetarchive datasheet search engine author. The intel m80c86 is a high performance, chmos version of the industry standard hmos m8086 16bit cpu. Its high level of system integration allows a minimum system of 3 ics. Instructions of various types 1byte,2byte and 3byte are explained. Minimum for small systems and maximum for larger applications such as multiprocessing. But intel 8085 has its own clock and control circuit fabricated on a single chip 1.