What are the features used mode 1 in 8255, Electrical Engineering

Assignment Help:

What are the features used mode 1 in 8255?

Two groups - group A and group B are available for stored data transfer.

1. Each group have one 8-bit data I/O port and one 4-bit control/data port.

2. The 8-bit data port can be either used as input or output port. The inputs and outputs both are latched.

3. Out of 8-bit port C, PC0-PC2 is used to produce control signals for port B and PC3=PC5 are used to produce control signals for port A. The lines PC6, PC7 may be used as independent data lines.

 


Related Discussions:- What are the features used mode 1 in 8255

Lki load register pair immediate instruction , LKI  Load Register pair  ...

LKI  Load Register pair  Immediate  Instruction This instruction is used to copy or  load  16 bit  data specified  in the  instruction  directly into  the register pair. The i

Show lumped-circuit elements, Electric circuits or networks are formed by i...

Electric circuits or networks are formed by interconnecting various devices, sources, and components. Although the effects of each element (such as heating effects, electric-?eld e

Magnetism, with the aid of the diagram explain the following rules that can...

with the aid of the diagram explain the following rules that can be used to determine the direction of magnetic fields around a current carrying conductor (1)cork screw rule (2)rig

Requirement specification for the monitor and alarm system, Prepare a User ...

Prepare a User Requirement Specification for the monitor and alarm system. User Requirements Specification should be written in a clear and unambiguous manner to state: • The

Auto transformer, winding turns of 415v step down transformer on 50%, 60% &...

winding turns of 415v step down transformer on 50%, 60% & 80% tapping

Explain effect of frequency of applied electric field, Explain effect of fr...

Explain effect of frequency of applied electric field. If an external electric field is applied, the distance among charges that is related to chemical bonding keeps constant i

Show the procedure twos complement subtraction, Q. Show the procedure twos ...

Q. Show the procedure twos complement subtraction? Two's complement subtraction is the binary addition of the minuend to the 2's complement of the subtrahend (adding a negative

Discuss the nature of sinusoidal signal, Q. Discuss the nature of sinusoida...

Q. Discuss the nature of sinusoidal signal? Discuss the nature of evenness and oddness of: (a) The sinusoidal signal x(t) = A cos(2πf 0 t + θ). (b) The complex exponentia

Various steps in designing the counter, Design a mod-15 counter. Explain th...

Design a mod-15 counter. Explain the various steps in designing the counter

Honer, Can I have formulas for calculation of 50TN seting on 33KV overhead ...

Can I have formulas for calculation of 50TN seting on 33KV overhead line

Write Your Message!

Captcha
Free Assignment Quote

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!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd