Question: 8255 Programmable Peripheral Interface (PPI) Example :- Design the hardware and software needed to read the setting of a thumb-wheel switched (BCD encoded) and display

8255 Programmable Peripheral Interface (PPI) Example :- Design the hardware and

8255 Programmable Peripheral Interface (PPI) Example :- Design the hardware and software needed to read the setting of a thumb-wheel switched (BCD encoded) and display the number on a common-anode Seven Segment Display (SSD) using PPI for interfacing to port 84h

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

Assistive technology enables dreams. Mathew Lee (personal communication) Assistive technology (AT) provides powerful tools used to diminish disability, enable activities of daily living (ADLs), and...

The mitial design was too complex. It required the user to work with the elbow, the mouse and both hands! To address the problem, a company called Interpix was brought in to evaluate the system from...

I have to create a program in C and I can't figure it out. The program has to read a source file. Please help. /******************************************************************** PROJECT: Glossary...

please answer it correctly thank you 3. Figure 2 shows an input/output (1/0) interface in an 8086 system. Based on the figure, answer the following questions (a) Determine the port addresses for Port...

Set 3E: 3. Figure 2 shows an input/output (1/0) interface in an 8086 system. Based on the figure, answer the following questions. (a) Determine the port addresses for Port A, Port B, Port C, and...

O Figure 2(c) shows the system address bus of the 8085 microprocessor being interfaced with 8255 Programmable Peripheral Interface (PPI). A2 (iii) AD A1 AD A1 12 8255 Port A Port C Port B Figure 2(c)...

c) Q2. (a) (b) Identify the addressing modes for the following 8085 microprocessor instructions. i) ii) 111) CMP B LDAX B LXI B, 2100H [3 Marks] Identify the contents of the flag register after the...

Urgent Please help can you write a report about Intel 8255 Programmable Peripheral Interface (PPI) chip and datasheet as soon as possible just a general report about the 8255 and about it's data...

4 ) The Figure 4 shows the system address bus of the 8 0 8 5 microprocessor being interfaced with 8 2 5 5 Programmable Peripheral Interface ( PPI ) .

Your supervisor allows you to "clock-in" for your 8a.m. shift give or take 15 minutes. Let X- 8 representing 8a.m. and X = 14.5 representing 2:30p.m. (Wby?) You work 8 hours excluding a 30 minute...

Gwen is making $85,000 at a new job. The 401K match is 75% up to 6% and she vests 20% per year; 20% vested when she starts investing. Gwen chooses to invest 10% of her income. Ignoring any growth, at...

non - relative is a beneficiary of a will, courts may examine the will to look for signs of:

Decide whether eoch pair of alements in the table below will form an ionic compound, If thay will, write the ampinical formula of the compound formed in th upace provided

Holding national saving constant, does an increase in net capital outflow increase, decrease, or have no effect on a countrys accumulation of domestic capital?

An article in USA Today (December 16, 2004) began President Bush said Wednesday that the White House will shore up the sliding dollar by working to cut record budget and trade deficits. a. According...

International trade in each of the following products has increased over time. Suggest some reasons this might be so. a. wheat b. banking services c. computer software d. automobiles