Question: The following program is used to write data to a printer using the SPP protocol showed below. void PutChar(unsigned char c) { while ((PTJ &

The following program is used to write data to a printer using the SPP protocol showed below. void PutChar(unsigned char c) { while ((PTJ & 0x02) !=0 ); PTH = c; PTJ = PTJ & ~0x01; NOP; //.... NOP; PTJ = PTJ | 0x01; } How many NOP statements must be used to insure the STRB# line is low for the minimum amount of time if n = 0.5 ?s and the processor takes 5clock tick(s) per instruction with a clock of 10.0 MHz?

DB-Do STRB# ACK# BUSY 8 min, min. 5 min.min

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

How many NOP Statements must be used to insure the STRB# line is low for the minimum amount of time if n = 2.0 us and the processor takes 2 clock ticks per instruction with a clock of 10.0 MHz? The...

#include //* common defines and macros */ #include "derivative.h" //* derivative-specific definitions */ #define LCD_DATA PORTK #define LCD_CTRL PORTK #define RS 0x01 #define EN 0x02 void...

/* bsdump.c * * Reads the boot sector of an MSDOS floppy disk */ #include #include #include #include #define SIZE 32 /* size of the read buffer */ //define PRINT_HEX // un-comment this to print the...

Codes you need /* * bytedump.c * * This program reads a set number of bytes from a file and prints * out the hex/ASCII values one byte at a time. * * Compile: gcc bytedump.c -o bytedump */ #include...

nnep This counts as "setting the value", even if the value does not change. If its value was last set to v 6= n less than 30 seconds ago, it leaves its value unchanged and replies false. If a client...

0107451 Laboratory 5: The FAT-12 File System Department of Communications and Computer Engineering Tafila Technical University 1 Submission Turn in your well-formatted and commented source code and a...

5 . a ) The following program is used to swap the contents of two pointer variables of integer type, but the program has some errors. Correct the program to get the specified operation. Assume, if...

Part 4 Correct errors in program. (11 points in total): 1) (5 points) The following program is used to check if a given number is the power of 2 using bitwise operator 1 include 2 define NUM BITS INT...

6. Assume that computer M1 has CPU clock rate 200MHz, and supports four classes of instructions: ALU, Iw, sw, branchjump lw has CPI5, sw has CPl 4, ALU instruction has CPI4 and branchjump has CPI 3...

Eddie's Bar and Restaurant Supplies expects its revenues and payments for the first part of the year to be: Seventy percent of the firm's sales are on credit. Past experience shows that 40 percent of...

Sleepy approached ABC Ltd, a finance company, for an unsecured loan of $50,000 to buy a truck for private use, and also for her part-time logistics business on weekends. Amongst the terms was the...

Victoria es una jubilada de 70 aos, con un espritu muy joven. Acaba de enviudar de su marido que era un gran empresario. Tiene dos hijos casados, y un nieto de cada uno. Su marido le ha dejado a ella...

advantage of marginal costing

2. Explain how the role of training is changing.

7. General Mills

1. Discuss how business strategy influences the type and amount of training in a company.