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

Illustrate what is a ion pair energy, Q. Illustrate what is a ion pair ener...

Q. Illustrate what is a ion pair energy? Answer:- Ion energy contains electric charges called protons (+) and neutrons (0) and electrons (-) charges. It's present in an at

One can use the event get in a report without ldb attribute, One can use th...

One can use the event GET in a report without LDB attribute. False. no one can use the event GET in a report without attribute.

Give explanation about the use of SSL to secure the network, Give explanati...

Give explanation about the use of SSL to secure the network. SS L stands for Secure Sockets Layer is a protocol developed through Netscape for transmitting private document

DFD, Define software architecture and describe which types of architectures...

Define software architecture and describe which types of architectures can be used in Email or Facebook applications

What is bank interleaving, Interleaved memory is a method for compensating ...

Interleaved memory is a method for compensating the relatively slow speed of DRAM. The CPU can access alternative sections instantly without waiting for memory to be cached. Multip

cell array to a spreadsheet, The xlswrite function can write the contents ...

The xlswrite function can write the contents of a cell array to a spreadsheet. A manufacturer kepts information on the weights of some parts in a cell array. Every row stores the

Operting system, managing devices and disks

managing devices and disks

Face recognition using java, how we get a perfect tutorial for face recogn...

how we get a perfect tutorial for face recognition using java

Explains the various levels of parallel processing, Levels of parallel proc...

Levels of parallel processing We could have parallel processing at four levels. i) Instruction Level: Most processors have numerous execution units and can execute numero

C-programing, c-program for the minimum total number of shelves

c-program for the minimum total number of shelves

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