How is 8255 (programmable peripheral interface) configured, Electrical Engineering

Assignment Help:

How is 8255 (Programmable Peripheral Interface) configured if its control register contains 9B h.

Ans.

1669_Programmable Peripheral Interface.png

Programmable Peripheral Interface

Command Byte B (sets or resets any bits in port C)

1196_control register.png

BH => 1001 1011 =>

6b5=00-> Mode0

4=0-> Port A as input

3=1-> Port C as input (PC7-PC4)

2=0-> Mode 0

1=1-> Port B as input

0=1-> Port C as input (PC3-PC0).

Related Discussions:- How is 8255 (programmable peripheral interface) configured

Phase shifter, Hi, I just finish writing my project literature review and ...

Hi, I just finish writing my project literature review and my supervisory asked me to add one part. This part is about Phase Shift. How phase shifters work? In Particular How the

Constant frequency system, Constant Frequency System In this system c...

Constant Frequency System In this system chopping period T is kept constant but the on time T om is varied. This system is also referred to pulse with modulation or time

Working with various instructions using debug, The purpose of this experime...

The purpose of this experiment is to introduce you to a powerful 80x86 assembly/machine language utility called DEBUG. Preparing Your DEBUG Environment If you have an older

Personal and corporate income tax rate, Ginny Jones currently works as the ...

Ginny Jones currently works as the VP-Product Strategy for a well-established enterprise software company. She and her friend, Tom Robinson, currently CFO at a competing firm (and

Determine the 60-hz resistance of line, Q A handbook lists the 60-Hz resist...

Q A handbook lists the 60-Hz resistance at 50°C of a 900-kcmil aluminumconductor as 0.1185/mile. If four such conductors are used in parallel to form a line, determine the 60-Hz r

Solution manual, Ask question #Minimum 100 words accespted#i want solution ...

Ask question #Minimum 100 words accespted#i want solution manual of electronic instrumentation and measurements

Draw a diagram of ultrasonic machine, Draw a diagram of ultrasonic Machine ...

Draw a diagram of ultrasonic Machine and illustrate its important parts? Discuss the following important element of ultrasonic process. (i) Abrasive slurry. (ii) Work Mate

Hydraulic analogy, Hydraulic analogy

Hydraulic analogy

Which realization requires the least number of gates, Q. Consider a 1-bit v...

Q. Consider a 1-bit version of the digital comparator shown in Figure. Note that the operation of this circuit is such that whichever output is 1 gives the desired magnitude compar

TRANSFORMER, what are the characteristics of transformer?

what are the characteristics of transformer?

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages