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Tag Archives: microprocessor

8255 is a popularly used parallel, programmable input-output device. It can be used to transfer data under various condition from simple input-output to interrupt input-output.… Read More
Prerequisite – 8259 PIC Microprocessor 8251 universal synchronous asynchronous receiver transmitter (USART) acts as a mediator between microprocessor and peripheral to transmit serial data into… Read More
8259 microprocessor is defined as Programmable Interrupt Controller (PIC) microprocessor. There are 5 hardware interrupts and 2 hardware interrupts in 8085 and 8086 respectively. But… Read More
Problem – Interface 8255 with 8085 microprocessor and write an assembly language program to display 99 in Port A, 1’s complement of 99 in Port… Read More
Problem – Write a program in 8086 microprocessor to determine modulus of corresponding 8 bit n elements of first array with 8-bit n numbers of… Read More
PPI 8255 is a general purpose programmable I/O device designed to interface the CPU with its outside world such as ADC, DAC, keyboard etc. We… Read More
Problem – Write a program in 8086 microprocessor to find out the subtraction of corresponding elements of two arrays of 8-bit n numbers, where size… Read More
Write a program to count continuously in hexadecimal from FFH to 00H in a system with clock frequency 0.5 microseconds. Use register C to set… Read More
Problem – Calculate the sum of series of even numbers from the given list of numbers. The length of the list is in memory location… Read More
Problem – Write a program in 8086 microprocessor to find out the sum of two arrays of 8-bit n numbers, where size “n” is stored… Read More
Problem – Write a program in 8086 microprocessor to find out the product of two arrays of 8-bit n numbers, where size “n” is stored… Read More
Problem – Write an assembly language program in 8086 to print the table of input integer.  Assumption – Suppose the inputted number is at memory… Read More
Problem – Write an assembly language program in 8085 to print the table of input integer. Assumption – Suppose the inputted number is at memory… Read More
Debugging is the process of identifying and removing bug from software or program. It refers to identification of errors in the program logic, machine codes,… Read More
Problem – Write an assembly language program in 8086 microprocessor to find sum of digit of an 8 bit number using 8 bit operation. Example… Read More

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