What will be the addresses of the port b and port c

Assignment Help Electrical Engineering
Reference no: EM13289419

Sketch and explain the interface of PPI 82C55A to the 8086 microprocessor in minimum mode.Interface 8 LEDs to the port B of 82C55A. Interface 8 keys to theport A. Assume that port A of 82C55A is located in the I/O memoryspace at FF0H. What will be the addresses of the port B, Port C,and the control register?
Write an 8086 assembly program to read the key status and outputonto the 8 LEDs.

Reference no: EM13289419

Questions Cloud

What is the potential difference across cars terminals : A car battery with a 14.2 V emf and aninternal resistance of 0.0380 is beingcharged with a current of 51.5 A. (a) What is the potential difference across its terminals
Determine the electric dipole moment of the object : A small rigid object carries positive and negative 4.00 nC charges. It is oriented so that the positive charge has coordinates (-1.20 mm, 1.50 mm), find the electric dipole moment of the object
Determine the receivables turnover in each year : Suppose the Robinson Company had a cost of goods sold of $1,000,000 in 2010 and $1,200,000 in 2011.
How much money can the firm borrow : Monthly fees for the usage of the warehouse are $500 plus 0.5 percent of the inventory's value. If Beckheart has saleable inventory of $2 million.
What will be the addresses of the port b and port c : Sketch and explain the interface of PPI 82C55A to the 8086 microprocessor in minimum mode.Interface 8 LEDs to the port B of 82C55A. Interface 8 keys to theport A. Assume that port A of 82C55A is located in the I/O memoryspace at FF0H.
What is the magnitude of the frictional on the block : The coefficients of friction between a block of mass 0.5 kg and a surface are ?s = 0.75, What is the magnitude of the frictional force (in newtons) on the block if the block is at rest
What proportion of wonder customers pay : Wonder Dog Leash Company is examining their accounts receivable patterns. Wonder's customers are offered terms of 1/10 net 30. Of their receivables, $150,000 is current, $75,000 is 1 month overdue, $30,000 is two months overdue, and $20,000 is ove..
Confidence interval narrower and more precise : Which of the following will make a confidence interval narrower and more precise?
Calculate future value of annuities : Calculate Future Value of Annuities. What is the future value of $1,000 invested each month for 10 years at 5 percent, 6 percent, 8 percent, and 10 percent, compounded monthly?

Reviews

Write a Review

Electrical Engineering Questions & Answers

  Calculate the flux density on the surface of the sphere

A silver-coated sphere of radius 5 cm carries a total charge of 12 nC uniformly distributedon its surface in free space. (a)Calculate |D| on the surface of the sphere and (b)external to the sphere

  Design a counter whose countsequence is all prime numbers

Design a counter whose countsequence is all prime numbers greater than 4 but less than 55. Youdo not have to draw a schematic, but you must provide theexcitation equations for the FFs.

  Coefficients has how many poles and how many zeros

For a moving average filter with bk coefficients equal to 0.2 and given that the input to the filter starts at sample x[n], how many input samples are required to define all input terms for all filter coefficients

  The maximum demand estimation

The circuit arrangements for each of the installations, the final circuit cable selection, the maximum demand estimation, and the circuit protection arrangements should be designed.

  Find the maximun power absorbed by the element

The voltage and current at the terminals of an ideal element are 0, for t _ (minus equal) 0s. V(t) = 100(1-e^(-300t) V, i(t) = 15e^(-400t) mA. Find the maximun power absorbed by the element by the element at t = 10ms

  Find equivalent of four resistors are connected in parallel

Four Resistors are connected in parallel. what is the equivalent resistance if their individual resistances are  r1 =100 Ohms ±5% tolerance r2 =470 Ohms ±5% tolerance r3 =330 Ohms ±10% tolerance r4 =1000 Ohms ±5% tolerance

  What is the maximum number of rows in the lut to keep

When a color palette is used to reduce its storage requirements, what is the maximum number of rows in the LUT to keep the compressed image size (LUT + index values for each pixel) smaller than the original image size

  Find vmn if point m and n are specified by m and n

An electric field is expressed in rectangular coordinates by E = 6x2ax + 6y ay +4az V/m. Find: a.) VMN if point M and N are specified by M(2,6,1) and N(-3, -3, 2). b.) VM if V = 0 at Q(4, -2, -35)

  What is the magnitude nd direction of the birds acceleration

An Australian emu is running due north in a straight line at a speed of 13.0 m/s and slows down to a speed of 10.5 m/s in 3.60 s. (a) What is the magnitude and direction of the bird's acceleration

  Determine the voltage regulation for each field current

A dc separately excited generator runs at 1200 rpm. the rated current and voltages are 100 A at 240 V. The armature resistance is 0.15 (ohms). The open circuit magnetization characteristics at 1200 rpm are

  Explain scada system

Explain the function of the HMI in a SCADA system.

  Write the vhdl architecture file for a j-k flip-flop

Write the VHDL architecture file for a J-K flip-flop that toggles on each falling clock edge. Use J and K for the inputs, Q for the output, and CLK for the clock. All signals are BIT type.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd