Q1.Draw the architecture of MCS-51.How to select register bank? Q2.State the functions of AC flag & parity flag used in microcontroller 8051. Q3.Draw internal RAM structure of 8051. Q4.Explain power saving options of 8051 microcontroller.

forestevanescentElectronics - Devices

Nov 2, 2013 (3 years and 5 months ago)

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Assignment No
-
1

Important Question

Q1.

Draw the architecture of MCS
-
51.How to select register bank?

Q2.

State the functions of AC flag & parity flag used in microcontroller
8051.


Q3.

Draw internal RAM structure of 8051.


Q4.

Explain power saving options of 8051 microco
ntroller.


Q5.

Interface external program memory with 8051 & explain how the
data is transfer.

Q6.

Give the alternate functions of port 3 pins of 8051 microcontroller.

Q7.

Explain a Boolean processor of microcontroller 8051with two
examples.


Q8.

Compa
re between microprocessor & microcontroller based on no.
of instructions used, registers, memory and applications.


Q9.

Draw architecture of 8051 microcontroller and describe functions
of DPTR, PC & stack pointer.

Q10.

Draw and label block diagram of IC 8051.


Q11.

Exp
lain the function of EA pin detail.


Q12.

What is a special function register? List all the SFR’s in 8051
microcontroller.


Q13.

Interface the external data memory with IC 8051 and explain how
data is transferred.

Q14.

Describe the functions of DPTR, PC and stack poin
ter.


Q15.

Give any two examples to prove the importance of Boolean
processor.


Q16.

Give PSW (program status word) content of 8051 microcontroller.
Give function of each flag.


Q17.

List the I/O ports of microcontroller 8051. Explain their
alternative function


Q18.

Interfa
ce external program memory with 8051 microcontroller
and explain how the data is transferred


Q19.

Explain the function of PSEN and ALE pins of microcontroller
8051.


Q20.

Draw architecture of 8051 microcontroller.


Q21.

Draw and explain power ON reset circuit of 8051 m
icrocontroller.


Q22.

Explain the Boolean processor of 8051 micro controller.

Q23.

Explain power saving operations of 8051 microcontroller.


Q24.

Draw and explain power ON reset circuit of
8051microcontroller.Give content of ports P0
-
3 and SP register on
reset.



Q25.

Draw

the format of PSW register of 8051 and describe it.


Q26.

State alternate functions of port 3 pins of micro controller 8051.


Q27.

State size of internal RAM of 8051 and describe its organization.


Q28.

Describe power saving option in 8051. Which SFR decides this
opti
on?

Q29.

What is stack? Describe stack operation in 8051 with one
example.

Q30.

Explain Boolean processor of microcontroller 8051 with two
instructions

Q31.

.

Q32.

Draw architecture of MCS
-
5 1 microcontroller family and
describe function of DPTR in brief

Q33.

Discuss the functio
n RS0 and Rs1 bit of PSW.How they can be
set or clear by using bit and Byte Wise instruction.


Q34.

State the function of PSEN and ALE pin of 8051 microcontroller.


Q35.

Explain power saving options of 8051 microcontroller.


Q36.

Interface external program memory with

8051 & explain how the
data is transfer.

Q37.

Give the alternate functions of port 0 and Port 1 pins of 8051
microcontroller


Q38.

Explain a Boolean processor of microcontroller 8051with two
examples


Q39.

Compare 8031 8051 and 8951.


Q40.

Draw the internal block diagram /Pr
ogrammer Model of 8051
and explain Function of PC , DPTR

Q41.

Draw block diagram of microprocessor and describe it

Q42.

Describe the term program , data and stack memory

Q43.

State the features of Intel 8051 microcontroller

Q44.

Draw architecture of 8051

Q45.

List features of gen
eral purpose microcontroller

Q46.

Describe the Program status word of 8051


Q47.

Describe the Stack and the Stack Pointer of 8051 microcontroller

Q48.

Describe ALU and SFR of 8051

Q49.

Describe what is program counter , DPTR , A and B register of
8051

Q50.

Draw Block Diagram of M
icrocontroller and describe


Normal Question

Q51.

What makes 8051 as 8 bit microcontroller. Why is register different from
a memory location

Q52.

Discuss the function RS0 and Rs1 bit of PSW.How they can be set or
clear by using bit and Byte Wise instruction.

Q53.

State

the features of Intel 8051 microcontroller

Q54.

Draw the internal block diagram of 8051 and explain each block.

Q55.

State the Function of Following Pin 0f 8051 ALE , PSEN , TXD , RXD ,
XTAL2

Q56.

What is the size of internal ROM and RAM ?

Q57.

Explain the operation of S
tack in 8051 microcontroller.

Q58.

What is mean by bit addressable and byte addressable memory?

Q59.

Describe the flag register of 8051 microcontroller. State the use of A and
B register.

Q60.

Can you use DPTR to access internal ROM? Justify your answer.

Q61.

How are the
Port Latch and Port Pins of 8051 are different?

Q62.

State the function of PSEN and ALE pin of 8051 microcontroller.

Q63.

Explain power saving operations of microcontroller 8051.

Q64.

Draw the architecture of microcontroller 8051. Explain the register bank
and memory
structure of 8051 Microcontroller

Q65.

List SFR For Port , Timer , Interrupt , Serial I/O , power Saving Mode

Q66.

It is true that 8051 is CISC processor ? Justify whether it is Von Neuman
or Harvad Architecture.

Q67.

Draw the format of PSW register of 8051 microcontrol
ler and state the
conditions when flags available in PSW are set to 1. Describe memory
structure of the 8051 microcontroller Describe the alternate function of
Port 3 pins of microcontroller 8051.

Q68.

How to configure port pins of 8051 different ? how does 80
51
microcontroller interpret that a latch or port pin has to be read.

Q69.

Compare Feature of 8051 , 8031 , 8751.

Q70.

Explain all flags of the microcontroller of 8051.

Q71.

Explain how will you select internal memory bank with suitable example.

Q72.

Draw the format of TCO
N register of 8051 microcontroller and explain
the function of each bit.

Q73.

Draw the function of SM2 bit in SCON register.

Q74.

What do you mean by the term quasi
-
Bidirectional port ? Why is port 0 of
8051 true bidirectional.

Q75.

Draw the format of SCON register and

explain the function of each bit.

Q76.

What is the function EA pin of the microcontroller 8051?

Q77.

Why are program counter (PC) and Data pointer (DPTR) register of 8051
are 16 bit wide, whereas stack pointer register is 8 bit wide ?

Q78.

Explain the power saving o
ption microcontroller 8051.

Q79.

What would happen if a port Latch contain a ‘1’ and a peripheral device
pulls that pin to the ground.

Q80.

Write the important features of microcontroller 8051.

Q81.

Draw the architecture of microcontroller 8051. Explain the register b
ank
of it. Explain memory structure of 8051.

Q82.

It is possible to address 8051 individual bits? What are the addresses of
bit addressable locations? How is bit addressable distinguished from the
byte wise addressing by the 8051 microcontroller.

Q83.

Draw the form
at of PSW register of 8051 and state the condition when
flags are available in P are set to 1.

Q84.

Explain the Boolean processor of 8051 microcontroller.

-

Q85.

Explain power saving option of microcontroller 8051

Q86.

Describe the alternate function of Port 3 Pins o
f 8051 microcontroller.

Q87.

Write important features of microcontroller 8051.

Q88.

Describe the I ports of microcontroller 8051 with the specially of port 3
for its alternative function;

Q89.

Describe the function in brief.

Q90.

Draw the block diagram of 8051 microcontrol
ler.

Q91.

Explain the various SFR of 8051 microcontroller.

Q92.

Explain the operation of 8051 as Boolean processor.

Q93.

Compare 8031 and 8051



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