Microcontroller 8051 and its interfacing

Microcontroller AtoZ

1. MICROCONTROLLER & ITS INTERFACING Er . Mandeep Singh National Institute of Technical Teachers Training & Research- Chandigarh

2. Topics of Discussion: Microprocessor Definition Working Microprocessor & Human Behaviour Microcontroller 8051 Definition Microprocessor Vs Microcontroller 8051 Features 9/19/2012 2 Er. Mandeep Singh

3. Topics of Discussion: Block Diagram of 8051 Manufacturers Pin diagram of 8051 Addressing Modes How to write program Real World Interfacing Simple I/O concept LCD Interfacing 9/19/2012 3 Er. Mandeep Singh

4. Topics of Discussion: ADC0804 Interfacing Relay Interfacing Stepper Motor Interfacing DC Motor Interfacing Applications of 8051 Queries 9/19/2012 4 Er. Mandeep Singh

5. Microprocessor: Multipurpose Re-Programmable Digital Device Semiconductor IC 9/19/2012 5 Er. Mandeep Singh

6. Microprocessor (cont .): Works On: Input data from outer world. 9/19/2012 6 Er. Mandeep Singh Process it under control of stored instructions/program in memory. Provide desired result to the outer world.

7. Microprocessor(cont .): 9/19/2012 7 Er. Mandeep Singh

8. Microprocessor & Human Behaviour : 9/19/2012 8 Er. Mandeep Singh

9. Microcontroller: Introduced in 1981 by Intel Corporation. Microcontroller is a programmable digital processor with necessary peripherals. Both microcontrollers and microprocessors are complex sequential digital circuits meant to carry out job according to the program / instructions. Swiss Knife 9/19/2012 9 Er. Mandeep Singh

10. Microprocessor Vs Microcontroller: 9/19/2012 10 Er. Mandeep Singh

11. Microcontroller 8051 Features: 9/19/2012 11 Er. Mandeep Singh

12. 8051 Block Diagram: 9/19/2012 12 Er. Mandeep Singh

13. Manufacturers of 8051: Intel Atmel Phillips Dallas Motorola National Infineon 9/19/2012 13 Er. Mandeep Singh

14. Pin Diagram-8051: 9/19/2012 14 Er. Mandeep Singh

15. Addressing Modes: Immediate Addressing Mode Direct Addressing Mode Register Addressing Mode Register Indirect Addressing Mode Indexed Addressing Mode 9/19/2012 15 Er. Mandeep Singh

16. Addressing Modes (cont .): Immediate Addressing Mode : MOV A, #64H MOV R1, #0FFH Direct Addressing Mode: MOV A, 64H MOV A, 0FFH 9/19/2012 16 Er. Mandeep Singh

17. Addressing Modes (cont .): Register Addressing Mode MOV A, R0 MOV R1, A Register Indirect Addressing Mode MOV A,@R0 MOV @R1,A 9/19/2012 17 Er. Mandeep Singh

18. How to Write Program: 9/19/2012 18 Er. Mandeep Singh

19. Real World Interfacing: Simple Input- Output Concept: Interfacing Switch Interfacing LED 9/19/2012 19 Er. Mandeep Singh

20. LCD Interfacing: 16X2 LCD Module 9/19/2012 20 Er. Mandeep Singh

21. Pin Description: Pin Symbol I/O Description 1 Vs - Ground 2 Vcc - +5 V 3 V EE - Contrast control 4 RS I Register Select 5 R/W I Read/Write 6 E I/O Enable 7 DB0 I/O 8 bit data bus 8 DB1 I/O 8 bit data bus 9 DB2 I/O 8 bit data bus 10 DB3 I/O 8 bit data bus 11 DB4 I/O 8 bit data bus 12 DB5 I/O 8 bit data bus 13 DB6 I/O 8 bit data bus 14 DB7 I/O 8 bit data bus 9/19/2012 21 Er. Mandeep Singh

22. Pin Connections of LCD: 9/19/2012 22 Er. Mandeep Singh

23. Analog Vs Digital: 9/19/2012 23 Er. Mandeep Singh

24. ADC Interfacing: 9/19/2012 24 Er. Mandeep Singh

25. Relay Interfacing: 9/19/2012 25 Er. Mandeep Singh

26. Stepper Motor Interfacing: 9/19/2012 26 Er. Mandeep Singh

27. DC Motor Interfacing: 9/19/2012 27 Er. Mandeep Singh

28. Applications of 8051: 9/19/2012 28 Er. Mandeep Singh

29. ?

30. Contact Details: Er . Mandeep Singh Electrical Engineering Department National Institute of Technical Teachers Training and Research Sector 26 Chandigarh Email: [email protected] Mobile: [phone] 72 8051 9/19/2012 30 Er. Mandeep Singh