Name the modes of 8255 programmable peripheral interface, Computer Engineering

Assignment Help:

What are the different modes in that 8255 Programmable Peripheral Interface (PPI) can operate?

24 I/O lines in 3-8-bit port groups - A, B, C
A, B can be 8-bit input or output ports
C can serve as 2-4-bit input or output ports
3 modes of operation:

- Mode 0: A, B, C simple input or output level sensitive ports

- Mode 1: A, B input or output ports with strobe control in C

- Mode 2: A is bidirectional with control/handshake in B and C

Related Discussions:- Name the modes of 8255 programmable peripheral interface

Simple math, 1+1

1+1

What is the difference among thread and process, Thread is a least unit of ...

Thread is a least unit of process. In process have one or more thread.

What is the use of ''using'' declaration in c++, A using declaration in C++...

A using declaration in C++ makes it likely to use a name from a namespace without the scope operator.

Flowchart, 1+3+5+....... +11

1+3+5+....... +11

Define the internal users of system, Q. Define the Internal Users of system...

Q. Define the Internal Users of system? Internal Users are employees of business for that an information system is built. Illustration are clerical and service staff, technic

Prove the equations using the boolean algebraic theorems, Prove the equatio...

Prove the equations A + A‾ .B + A.B‾ = A + B using the Boolean algebraic theorems ? Ans. The equation is A + A‾.B + A.B‾ = A + B L.H.S. = A + A‾ .B + A.B‾ = (A + A.B‾) + A‾.B

Dfd, dfd for big bazaar

dfd for big bazaar

Define pipeline speedup, Define pipeline speedup. S(m)=T(l)/T(m) Whe...

Define pipeline speedup. S(m)=T(l)/T(m) Where T(m) is the execution time for some target workload on an m-stage pipeline. T(l) is the execution time for some workload an

Desirable characteristics of an electronic market place, What are the desir...

What are the desirable characteristics of an Electronic Market Place? Characteristics of an Electronic Market Place: a. Its electronic, the business center is not a phys

Feature Extraction and clustering, Hi, I have a CSV file that has numbers ...

Hi, I have a CSV file that has numbers data set. The data set contains images of handwritten digits. Recognizing handwritten digits is already a mature technology By using R code

Write Your Message!

Name

Email id

Message

Verfication Code

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!

Submit Assignment

User Account

All Pages