Diploma in ECE and EEE Study Material | Microcontroller | Yuvasallinfo

Diploma in ECE and EEE Study Material | Microcontroller | Yuvasallinfo

34052-MICROCONTROLLER

Unit-1 Syllabus

ARCHITECTURE & INSTRUCTION SET OF 8051

1.1 ARCHITECTURE OF 8051

Comparison of Microprocessor and Microcontroller – Block diagram of Microcontroller –Functions of each block – Pin details of 8051 – ALU –ROM– RAM – Memory Organization of 8051 -Special function registers –Program Counter – PSW register – Stack – I/O Ports – Timer – Interrupt –Serial Port – Oscillator and Clock – Clock Cycle – State – Machine Cycle –Instruction cycle – Reset – Power on Reset – Overview of 8051 family

1.2 INSTRUCTION SET OF 8051

Instruction set of 8051 – Classification of 8051 Instructions – Data transfer instructions – Arithmetic Instructions – Logical instructions–Branching instructions – Bit Manipulation Instructions

Unit -1 Important 2 Mark and 3 Mark Questions

1.What is microcontroller?

2.Compare micro processor and microcontroller

3.How many I/O ports are placed in microcontroller 8051?

4.How many SFRs are placed in microcontroller 8051?

5.Define DPTR?

6.Mention the capacity of internal RAM and internal ROM of 8051?

7.What is the purpose of PSW register?

8.What is the purpose of SFRs ?

9.What is the use of EA BAR pin?

10.Mention the three different address spaces of 8051?

11.What is the capacity of internal data memory?

12.What is the capacity of internal and external RAM?

13.How is the internal RAM classified?

14.How many register banks are placed in internal RAM?

15.How many bit addressable locations are placed in internal RAM?

16.What is program counter?

17.What is the use of carry flag?

18.Where is the stack memory placed in 8051?

19.Which port is used for alternate input and output functions?

20.How many timers/counters are placed in 8051?

21.What is interrupt signal?

22.Name the five types of 8051 interrupts signal?

23.What are the signals used for accessing external data memory?

24.What is the use of PSEN BAR signals?

25.Define clock cycle?

26.Define machine cycle?

27.How many clock cycles and states are placed in one machine cycle?

28.Define instruction cycle?

29.How many instructions used in 8051?

30.Explain MOV Rn, direct instruction?

31.Mention the return instructions used in 8051?

32.What is bit manipulation instruction?

33.Explain JMP @A+DPTR instruction?

34.Mention the bit level data transfer instructions?

Unit -1 Important 10 Mark Questions

1.Explain Block diagram and Architecture of 8051 Microcontroller?

2.Explain detail about pin diagram of 8051 Microcontroller?

3.Explain Memory Organization of 8051 Microcontroller?

4.Explain input output ports of 8051 Microcontroller?

5.Explain Classification of Instruction set with Examples?

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