[PDF] parallel communication between two microprocessors using 8255

What is the Parallel Input-Output port chip 8255?

The parallel input-output port chip 8255 is also called as programmableperipheral input-output port. The Intel?s 8255 are designed for use with Intel?s 8-bit, 16-bit and higher capability microprocessors.

How to use 8255 with 8085 microprocessor?

Microprocessor | 8255 (programmable peripheral interface) Interface 8255 with 8085 microprocessor for 1’s and 2’s complement of a number Subtract content of two ports by interfacing 8255 with 8085 microprocessor 8085 program to subtract two 8-bit numbers with or without borrow 8085 program to multiply two 8 bit numbers using logical instructions

What is an 8255 programmable integrated circuit (IC)?

An 8255 programmable integrated circuit (IC) is an IC used for interfacing the microprocessor with the peripheral devices. It is a 40 pin IC which was introduced by INTEL to use with its 8085 and 8086 microprocessors.

What are the applications of 8086 microprocessor?

Program for digital clock design using 8086. 6. Interfacing ADC and DAC to 8086. 7. Parallel communication between two microprocessors using 8255. 8. Serial communication between two microprocessor kits using 8251. 9. Interfacing to 8086 and programming to control stepper motor. 10.