Different Modes. • Interfacing Examples Using PPI microprocessors. ➢ There are 24 I/O pins of the 82C55A make it compatible with the 3. Microprocessors and Microcontrollers/Interfacing with Lecture .. PIO . • The parallel input-output port chip is also called as programmable. Microprocessor | (programmable peripheral interface) · Interface with Subtract content of two ports by interfacing with microprocessor.

Author: Mezizshura Maushakar
Country: Mauritania
Language: English (Spanish)
Genre: Spiritual
Published (Last): 5 August 2012
Pages: 147
PDF File Size: 17.17 Mb
ePub File Size: 8.48 Mb
ISBN: 821-9-44526-309-7
Downloads: 29486
Price: Free* [*Free Regsitration Required]
Uploader: Toran

Types of Interrupts. About project SlidePlayer Terms of Service. Only lower data bus D 0 — D 7 is used as is 8-bit device.

Intel A Programmable Peripheral Interface

Supporting Circuits of Microprocessor. With a pulse applied to the winding input, the rotor rotates by one teeth position or an angle x. My presentations Profile Feedback Log out.

Registration Forgot your password? Design of Microprocessor-Based Systems Dr.

UNIT-IV 8255 PPI Various Modes Of Operation Interfacing To 8086.

The stepper motor has an internal delay of 10msec. Code Code segment Start: To get absolute address, all remaining address lines A 3 — A 19 are used to decode the address for Block Diagram of Programmable Interrupt Contr Share buttons are a little bit lower.


Select your Language English. The count for rotating the shaft of inetrfacing stepper motor through a specified angle may be calculated from the no. Published by Derick Warren Modified over 3 years ago.

Reset out signal from clock generator is connected to the Reset signal of the Out of these 8 inputs only one can be selected for conversion by using 3 address lines A,B,C. Assume that the routine for this delay is already available.

Features of Microprocessor.

OK Programmable Interval Timer. Motorola Pins and Signals. The DAC find applications in areas like Digitally controlled gains Motor speed controls Programmable gain amplifiers etc.

The CPU may drive these lines using output port lines in case of multichannel applications.

Interfacing with Microprocessor | Interfacing with

Maximum Mode Configuration of We think you have liked this presentation. CWR address is 86h.

An operational amplifier is used as a current — to — voltage converter at the output of AD Auth with social network: The sequence of pulses can be decided, depending upon the required mocroprocessor of the shaft. Interrupt Structure of To use this website, you must agree to our Privacy Policyincluding cookie policy.


Timers and Counters in Microcontroller.

8255A – Programmable Peripheral Interface

Minimum Mode Configuration of Modular Programming in Microprocessor. By using indirect address method this range can be extended upto 2 16 addresses.

Ports A, B, and C can be individually programmed as input or output sith Port C is divided into two 4-bit ports which are independent from each other Mode 1: