Intel corporation came out with a 4bit microprocessor intel 4004, which was used in early video games and small microprocessor based. Cpu central processing unit alu arithmeticlogic unit control logic registers, etc memory input output interfaces processor system architecture interconnections between these units. The 8085 uses a total of 246 bit patterns to form its instruction set. The functional components of a cpu are arithmetic logic unit alu, control and timing units, registers are found in a single integrated circuit called ic. Microcontroller microprocessor with builtin memory and ports and can be programmed for any generic control application. Intel manual of 8085 microprocessor architecture pdf 08mtcs051. A free powerpoint ppt presentation displayed as a flash slide show on id. Ppt the 8085 microprocessor architecture powerpoint. This chip became the most popular in the computer industry when ibm used it for. Pdf intel manual of 8085 microprocessor architecture pdf.
Intel, alldatasheet, datasheet, datasheet search site for electronic components and. It was a 16bit processor with an 8bit external bus. Intel 8085 architecture presentation covers features, architecture over view. Presentations ppt, key, pdf logging in or signing up. Microprocessor architecture the microprocessor can be programmed to perform functions on given data by writing specific instructions into its memory. It is a 40 pin c package fabricated on a single lsi chip.
The microprocessor reads one instruction at a time, matches it with its instruction set, and performs the data manipulation specified. Intel 8085 8bit microprocessor intel 8085 is an 8bit, nmos microprocessor. The 8085 microprocessor architecture 8085 instruction set data transfer operations between registers between memory location and a register direct write to a. The various functional blocks of 8085 are as follows. Tutorial on introduction to 8085 architecture and programming. The intel 8085 microprocessor is a second generation microprocessor and is an eightbit processor designed in the year of 1976 with the. The intel 8085a is a new generation, complete 8 bit parallel central processing unit. The time for the back cycle of the intel 8085 a2 is 200 ns.
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