1. Structure and Programming
of PIC16F84A Microcontroller
Prepare:
Abdullah Abdulaziz
Nassar
ID. # 42805010
Supervising :
Dr. Ghassan Dahman

2. Presentation Outline
 Introduction to Microcontroller.
 Components of Microcontroller.
 Microcontrollers VS Microprocessors.
 Application.
 Types of Microcontroller.
 Specifications of PIC16F84A.
 Programming of PIC16F84A.
1

3. Introduction to Microcontroller
 What is the microcontroller?
2

4. Components of Microcontroller
 Microcontroller Containing of:
1. CPU.
2. RAM.
3. EEPROM.
4. I/O Units.
3

5. Microcontrollers VS Microprocessors
4

6. Application
5

7. Types of microcontroller
 Intel.
 Motorola.
 Microchip “Pic Microcontroller”.
 Hitachi.
 Atmel.
 National.
 Toshiba.
 Zilog.
 Texas Instruments.
6

8. Specifications of PIC16F84A
 Oscillator 4MHZ
 Currents 2mA
 Voltage 5V
 Different types.
7

9. Specifications of PIC16F84A (cont.)
 Pins Description.
8

10. Specifications of PIC16F84A
(cont.)
9

11. Programming of PIC16F84A
 Software Requirements.
 Hardware Requirements.
 Programming Language.
10

12. Software Requirements
 MPLAB.
11

13. Software Requirements (cont.)
 MIKROC.
12

14. Software Requirements (cont.)
 Burner Program.
13

15. Hardware requirements
 PC.
 Programmer.
 Other Components.
14

16. Programming language
15

17. Programming language
(cont.)
 C Language.
 Assembly Language.
16

18. Programming language (cont.)
 C language.
#include <…………….>
#define PI 3.14
/* this is the structure of the program in c language
this is done by A. Nassar */
void main( )
{
int x=10; // integer variable with initial value equal to
10
float y;
Char eng=„A‟;
char* eng1=“engineer2011”;
scanf ( x , y );
y= y + x ;
printf ( y ) ;
} 17

19. Programming language (cont.)
 Structure of C program.
#define PI 3.14
void main( )
{
Variable declaration
Data direction
Initial values
while(1)
{
…………….;
…………….;
…………….;
}
}
18

20. Programming language (cont.)
 Variables of C program.
char name[ ] = “A. Nassar” ;
19

21. Programming language
(cont.)
 Assembly Language.
20

22. Programming language
(cont.)
21

23. Programming language
(cont.)
22

24. Programming of PIC16F84A
Mikroc/Mplab
Burner
Program
23

25. Conclusion
 What is the microcontroller?
 Pins Description of PIC16F84A.
 Organization of PIC16F84A.
 Mikroc & Mplab.
 Programming language.
24

26. THANK YOU FOR YOUR
ATTENTION !!
Any Question ??