In addition, it has two 16-bit registers: the stack pointer and the program counter. Registers The 8085/8080A-programming model includes six registers, one accumulator, and one flag register, as shown in Figure. Microprocessor 8085 Lab Manual: 5th semester(ET&T, CSE)
Always stores result of operation in Accumulator. Uses data from memory and from Accumulator to perform arithmetic. Arithmetic Logic Unit The ALU performs the actual numerical and logic operation such as ‘add’, ‘subtract’, ‘AND’, ‘OR’, etc. In reality causes certain connections between blocks of the uP to be opened or closed, so that data goes where it is required, and so that ALU operations occur. Internal Architecture of 8085 MicroprocessorĬontrol Unit Generates signals within uP to carry out the instruction, which has been decoded. Government Girls’ Polytechnic, Bilaspur Name of the Lab: Digital Electronics Lab Practical: Microprocessor 8085 Lab Class : 5th Semester (ET&T), 5th Semester (CSE) FOR ET&T Teachers Assessment: 10 FOR CS Teachers Assessment: 20Įnd Semester Examination: 30 End Semester Examination: 50ĮXPERIMENT NO 1 Objective: Study of architecture of microprocessor 8085.
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