Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Electrical & Electronics Expert

1) With a neat and well labelled block diagram, describe in detail the internal architecture of 8255 and its registers

2) describe how memory chips and I/O devices are interfaced to a microprocessor.

3) Describe the block diagram of 8279 Keyboard/Display interface and its operations.

4) Design a timing diagram to interface a 4K ROM and a 2K RAM consecutively with microprocessor 8085, starting with ROM interfacing at address 0000 H. Describe in detail.

5) Describe different Addressing modes of 8085 with appropriate exs.

6) What are the different types of Data formats? Describe with exs.

7) Describe five interrupt inputs of 8085 with priority.

8) What are Hardware and Software Interrupts? What do you mean by ISS?

9) Design a diagram to interface a 6K ROM and a 2K RAM consecutively with microprocessor 8085, starting with ROM interfacing at address 8000 H.

10) What do you mean by Interrupt? Describe enabling, disabling and masking of interrupts with suitable exs. How to transfer data using interrupts.

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M910968

Have any Question? 


Related Questions in Electrical & Electronics

1 why is it that the distances r1 and r2 in the phase

1. Why is it that the distances r 1 and r 2 in the phase factors in equations (8.47a) and (8.47b) cannot be set equal to r, but the same quantities in the amplitude factors can be set equal to r? 2. What is an array fact ...

1 state the divergence theorem and discuss its application2

1. State the divergence theorem and discuss its application. 2. What is the divergence of the curl of a vector? 3. Summarize Maxwell's equations in differential form. 4. Are all Maxwell's equations in differential form i ...

1 fluid flows between two parallel plates a distance h

1. Fluid flows between two parallel plates, a distance h apart. The upper plate moves at velocity, v 0 ; the lower plate is stationary. For what value of pressure gradient will the shear stress at the lower wall be zero? ...

1 two immiscible fluids of different density and viscosity

1. Two immiscible fluids of different density and viscosity are flowing between two parallel plates. Express the boundary conditions at the interface between the two fluids. 2. Determine the velocity profile for fluid fl ...

1 find the velocity with which the group of two frequencies

1. Find the velocity with which the group of two frequencies 2400 MHz and 2500 MHz travels in a parallel-plate waveguide of dimension a = 2.5 cm and having a perfect dielectric of 2. For a narrow-band amplitude modulated ...

1 for the force field f x2ay find the approximate value of

1. For the force field F = x 2 ay, find the approximate value of the line integral of F from the origin to the point (1, 3, 0) along a straight line path by dividing the path into ten equal segments. 2. For the force fie ...

1 the dam shown below is 100 m wide determine the magnitude

1. The dam shown below is 100 m wide. Determine the magnitude and location of the force on the inclined surface. 2. The float in a toilet tank is a sphere of radius R and is made of a material with ρ. An upward buoyant f ...

1 assume an application program uses separate audio and

1. Assume an application program uses separate audio and video streams during an RTP session. How many SSRCs and CSRCs are used in each RTP packet? 2. Can we say UDP plus RTP is the same as TCP? 3. Why does RTP need the ...

Uing the laws for the addition of vectors and equation

Using the laws for the addition of vectors and equation (), show that in the absence of gravity, (a) The fluid acceleration, pressure force, and viscous force all lie in the same plane; (b) In the absence of viscous forc ...

1 oil is supplied at the center of two long plates the

1. Oil is supplied at the center of two long plates. The volumetric flow rate per unit length is Q and the plates remain a constant distance, b, apart. Determine the vertical force per unit length as a function of the Q, ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro