Exp_9

Exp_9 - EE3751 Fall 2003 Experiment 9 The purpose of this...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
EE3751 – Fall 2003 Experiment # 9 The purpose of this experiment is to study the use of I/O ports and to use them to transfer information between the microprocessor and an external device. Communication between devices may be in done serially or in parallel. This experiment will deal with parallel communication and the student will send and receive information, through the PC printer port, to a small LED driver circuit, which the student will assemble during the lab. The student will also write a program to simulate a mod(11) binary counter and then use the LEDs to display the output count. PROGRAM: The Main routine will set up a menu with the following choices: MENU A – SELECT COUNT UPWARDS/DOWNWARDS. B – SELECT START/END AT ZERO/INPUT COUNT. C – COUNT. D – QUIT. ENTER CHOICE: SELECT COUNT UPWARDS/DOWNWARDS allows the user to choose if the counter is counting up or down. SELECT START/END AT ZERO/INPUT COUNT allows the user to choose if the start
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 2

Exp_9 - EE3751 Fall 2003 Experiment 9 The purpose of this...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online