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1. EC304:MICROPROCESSOR AND MICROCONTROLLER LAB
NAME – NAKSHTRA SINGHAL
ROLL NO – BTECH/25082/20
BRANCH – ECE

2. ACKNOWLEDGEMENT
 I'd want to convey my heartfelt appreciation and
gratitude to Mr. Snehanshu Shekhar Sir for
providing me with the chance to work on this
wonderful presentation which also aided me in
conducting extensive study and learning about a
bunch of new topics. I am quite grateful to them.
 It was quite useful in terms of expanding my
knowledge and abilities.

3. TABLE OF CONTENT
 8051 MICROCONTROLLER ARCHITECTURE
 PROGRAM STATUS WORD FORMAT
 SPECIAL FUNCTION REGISTERS
 INTERNAL RAM ORGANIZATION
 PIN DIAGRAM OF 8051
 PROGRAMMING MODEL OF 8051

4. 8051 MICROCONTROLLER ARCHITECTURE

5. PROGRAM STATUS WORD FORMAT

6. SPECIAL FUNCTION REGISTERS

7. INTERNAL RAM ORGANIZATION

8. PIN DIAGRAM OF 8051

9. PROGRAMMING MODEL OF 8051
 Programming Model of 8051 microcontroller is a
collection of 8-bit and 16-bit registers and 8-bit
memory locations.
 Programming Model is complicated by number of
special function registers.
 Each register(except program counter) has an
internal 1 byte address.
 Some registers are both byte and bit addressable.

11. REFERENCES
 https://www.zseries.in/embedded%20lab/8051%20microc
ontroller/architecture%20of%208051.php#.Y3BV-3ZBxPY
 https://www.ques10.com/p/34775/explain-psw-register-
of-8051/
 https://www.electronicshub.org/8051-microcontroller-
special-function-registers/
 http://techknowlearn.blogspot.com/2013/07/internal-ram-
structure-of-8051.html
 https://www.geeksforgeeks.org/pin-diagram-of-8051-
microcontroller/
 https://www.youtube.com/watch?v=PEbwbl1SF34

12. THANK YOU