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

Topics of Discussion:  Microprocessor  Definition  Working  Microprocessor & Human Behaviour  Microcontroller 8051  Definition  Microprocessor Vs Microcontroller  8051 Features 7/18/20162Er. Mandeep Singh

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 7/18/20163Er. Mandeep Singh

Topics of Discussion:  ADC0804 Interfacing  Relay Interfacing  Stepper Motor Interfacing  DC Motor Interfacing  Applications of 8051  Queries 7/18/20164Er. Mandeep Singh

Microprocessor: Multipurpose Re-Programmable Digital Device Semiconductor IC 7/18/20165Er. Mandeep Singh

Microprocessor (cont.): Works On: Input data from outer world. 7/18/20166Er. Mandeep Singh Process it under control of stored instructions/program in memory. Provide desired result to the outer world.

Microprocessor(cont.): 7/18/20167Er. Mandeep Singh

Microprocessor & Human Behaviour: 7/18/20168Er. Mandeep Singh

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 7/18/20169Er. Mandeep Singh

Microprocessor Vs Microcontroller: 7/18/201610Er. Mandeep Singh

Microcontroller 8051 Features: 7/18/201611Er. Mandeep Singh

8051 Block Diagram: 7/18/201612Er. Mandeep Singh

Manufacturers of 8051: Intel Atmel Phillips Dallas Motorola National Infineon 7/18/201613Er. Mandeep Singh

Pin Diagram-8051: 7/18/201614Er. Mandeep Singh

Addressing Modes: Immediate Addressing Mode Direct Addressing Mode Register Addressing Mode Register Indirect Addressing Mode Indexed Addressing Mode 7/18/201615Er. Mandeep Singh

Addressing Modes (cont.): Immediate Addressing Mode : MOV A, #64H MOV R1, #0FFH Direct Addressing Mode: MOV A, 64H MOV A, 0FFH 7/18/201616Er. Mandeep Singh

Addressing Modes (cont.): Register Addressing Mode MOV A, R0 MOV R1, A Register Indirect Addressing Mode MOV 7/18/201617Er. Mandeep Singh

How to Write Program: 7/18/201618Er. Mandeep Singh

Real World Interfacing: Simple Input- Output Concept: Interfacing Switch Interfacing LED 7/18/201619Er. Mandeep Singh

LCD Interfacing: 16X2 LCD Module 7/18/201620Er. Mandeep Singh

Pin Description: PinSymbolI/ODescription 1Vs-Ground 2Vcc-+5 V 3V EE -Contrast control 4RSIRegister Select 5R/WIRead/Write 6EI/OEnable 7DB0I/O 8 bit data bus 8DB1I/O8 bit data bus 9DB2I/O8 bit data bus 10DB3I/O8 bit data bus 11DB4I/O8 bit data bus 12DB5I/O8 bit data bus 13DB6I/O8 bit data bus 14DB7I/O8 bit data bus 7/18/201621Er. Mandeep Singh

Pin Connections of LCD: 7/18/201622Er. Mandeep Singh

Analog Vs Digital: 7/18/201623Er. Mandeep Singh

ADC Interfacing: 7/18/201624Er. Mandeep Singh

Relay Interfacing: 7/18/201625Er. Mandeep Singh

Stepper Motor Interfacing: 7/18/201626Er. Mandeep Singh

DC Motor Interfacing: 7/18/201627Er. Mandeep Singh

Applications of 8051: 7/18/201628Er. Mandeep Singh

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Contact Details: Er. Mandeep Singh Electrical Engineering Department National Institute of Technical Teachers Training and Research Sector 26 Chandigarh Mobile: /18/201630Er. Mandeep Singh