O'Reilly logo

The x86 Microprocessors: 8086 to Pentium, Multicores, Atom and the 8051 Microcontroller, 2nd Edition by Lyla B. Das

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

10

Peripheral Interfacing—II

IN THIS CHAPTER, YOU WILL LEARN

  • The architecture and programming features of the timer chip 8253/8254.
  • The method of generating waveforms of dif­ferent frequencies using this chip.
  • The use of the different modes of operation of the timer chip.
  • The use of a dedicated chip 8279 for keyboard and display interfacing.
  • The connections between the 8279 and the display circuits.
  • How to use this chip in a circuit with a keyboard and a display.
  • How interrupts are managed by the program­mable interrupt controller chip 8259.
  • The use of initialization and operational control words of 8259.
  • The method of changing the priority settings using this chip.
  • The use of 8259 in PCs.

Introduction

In Chapter 9, we used the parallel ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required