Monday 13 June 2011

8086 Registers

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Wednesday 8 June 2011

Internal Lab Exam Questions

1.      Write a pgm. to rotate the stepper motor in 3600  in clockwise direction.
2.      Blinking of display  your name  in ROW 1 and your roll no in ROW 2 of a LCD , ‘n’ times
3.      Write a pgm. to add & subtract two 3 x 3 matrix
4.      Write a 8086 ALP to find square root of a number
5.      Write a program to check whether a given number is prime or not. if the number is not prime then find its square
6.      Write a pgm. So as to rotate the stepper motor in 3600  in clockwise direction when the data at 3000h is 1, else 3600 in anti clockwise direction.

7.      Interface  ADC0809 to 8086 with conversion should start by means of software
8.      Write a 8051 ALP to add two 16bit numbers
9.      Implement a simple calculator for addition, subtraction, multiplication, division and square
10.  Write 8086 ALP to find even numbers in series and store in location starting from 2500and find the count of even no
11.  write an ALP to find largest of N number
12.  Display ‘n’ characters in lcd with first character and no of character as input.
13.  Write a 8051 ALP to add two 16bit numbers
14.  Interface  ADC0809 to 8086 with conversion should start by means of software
15.  Write an ALP to print the following output 1,1,2,1,2,3,1,2,3,4,1,2,3,4,5,…….
16.  Write a pgm. to rotate the stepper motor in clockwise direction.
17.  Write a ALP to transfer a ‘N’ numbers to a location and find out their sum and average
18.  write an ALP to find largest and smallest number from a set of numbers
19.  Write an ALP to print the following output 1,1,3,1,3,5,1,3,5,7
20.  Write an 8051 ALP to add two 8bit no and display its result in a  16x2 LCD
21.  Write 8086 ALP to count the numbers of odd and even numbers from an array and store odd number count in 2500H and Even number count in 3000H
22.  Write an ALP to transfer a ‘N’ numbers to a location and find out their sum.
23.  Design a simple calculator to find 1. Area of Right angled Triangle 2. Area of Square 3. Area of Rectangle
24.  Write 8086 ALP to count the numbers of odd and even numbers from an array and store odd number count in 2500H and Even number count in 3000H
25.  Write a pgm t o display prime numbers less than 10 using 8086 kit
26.  Write a pgm. to rotate the stepper motor in anti clock wise direction.
27.  Write an ALP to print the following output N,N,N…N,….3,3,3,2,2,1
28.  Write a pgm to add two 8bit  numbers and blink your name in ROW2  ‘N’ times . Where ‘N’ is the result of addition
29.  Write a 8051 program to display your name and college name in row1 alternatively

30.  Design a simple calculator to find 1. Area of Right angled Triangle 2. Area of Square 3. Area of Rectangle.

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Monday 6 June 2011

DATASHEETS

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Sunday 5 June 2011

ASCII (American Standard Code for Information Interchange)Table


ASCII Table



Non-Printing Characters Printing Characters
Name Ctrl
char		  Dec  Hex  Char Dec  Hex  Char Dec  Hex  Char Dec  Hex  Char
null ctrl-@ 0 00 NUL 32 20 Space  64 40 @  96 60 ` 
start of heading ctrl-A 1 01 SOH 33 21 !  65 41 A  97 61 a 
start of text ctrl-B 2 02 STX 34 22 "  66 42 B  98 62 b 
end of text ctrl-C 3 03 ETX 35 23 #  67 43 C  99 63 c 
end of xmit ctrl-D 4 04 EOT 36 24 $  68 44 D  100 64 d 
enquiry ctrl-E 5 05 ENQ 37 25 %  69 45 E  101 65 e 
acknowledge ctrl-F 6 06 ACK 38 26 &  70 46 F  102 66 f 
bell ctrl-G 7 07 BEL 39 27 '  71 47 G  103 67 g 
backspace ctrl-H 8 08 BS 40 28 (  72 48 H  104 68 h 
horizontal tab ctrl-I 9 09 HT 41 29 )  73 49 I  105 69 i 
line feed ctrl-J 10 0A LF 42 2A *  74 4A J  106 6A j 
vertical tab ctrl-K 11 0B VT 43 2B +  75 4B K  107 6B k 
form feed ctrl-L 12 0C FF 44 2C ,  76 4C L  108 6C l 
carriage feed ctrl-M 13 0D CR 45 2D -  77 4D M  109 6D m 
shift out ctrl-N 14 0E SO 46 2E .  78 4E N  110 6E n 
shift in ctrl-O 15 0F SI 47 2F /  79 4F O  111 6F o 
data line escape ctrl-P 16 10 DLE 48 30 0  80 50 P  112 70 p 
device control 1 ctrl-Q 17 11 DC1 49 31 1  81 51 Q  113 71 q 
device control 2 ctrl-R 18 12 DC2 50 32 2  82 52 R  114 72 r 
device control 3 ctrl-S 19 13 DC3 51 33 3  83 53 S  115 73 s 
device control 4 ctrl-T 20 14 DC4 52 34 4  84 54 T  116 74 t 
neg acknowledge ctrl-U 21 15 NAK 53 35 5  85 55 U  117 75 u 
synchronous idel ctrl-V 22 16 SYN 54 36 6  86 56 V  118 76 v 
end of xmit block  ctrl-W 23 17 ETB 55 37 7  87 57 W  119 77 w 
cancel ctrl-X 24 18 CAN 56 38 8  88 58 X  120 78 x 
end of medium ctrl-Y 25 19 EM 57 39 9  89 59 Y  121 79 y 
substitute ctrl-Z 26 1A SUB 58 3A :  90 5A Z  122 7A z 
escape ctrl-[ 27 1B ESC 59 3B ;  91 5B [  123 7B { 
file separator ctrl-\ 28 1C FS 60 3C <  92 5C \  124 7C | 
group separator ctrl-] 29 1D GS 61 3D =  93 5D ]  125 7D } 
record separator ctrl-^ 30 1E RS 62 3E >  94 5E ^  126 7E ~ 
unit separator ctrl-_ 31 1F US 63 3F ?  95 5F _  127 7F DEL 




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Friday 3 June 2011

EC09 505: Second Sessional Question Paper

JYOTHI ENGINEERING COLLEGE, CHERUTHURUTHY
SECOND SESSIONAL EXAMINATION SEPTEMBER 2011
EC09 505: MICROPROCESSORS AND MICROCONTROLLERS

Time: 2 hrs                                                                                                 Max Marks: 50

PART A
(Answer all questions)
  1. Write an example for Co-Processor  and EPROM
  2. Write down the value of 8255 CWR, if PORT A and B are input
  3. Differentiate between 8086 and 8088 microprocessor.
  4. Calculate the storage capacity  available in a ROM with 10 address line and 8 Data line
  5. Draw the block diagram for byte transfer of 8088 microprocessor.

                                                                                                             (2*5=10)

PART B
(Answer any Four)
  1. Differentiate between Memory mapped I/O and Isolated I/O
  2. Write a short note on Minimum mode of 8086 processor.
  3. Expand Word length and Word capacity of an EPROM, using two 16K bytes EPROM chip.
  4. Discuss how Memory interface achieved in 8088 microprocessor system with Maximum mode of operation.
  5. Write an 8086 ALP to sort N numbers in ascending order and find its sum.

                                                                                                             (4*5=20)

PART C
(Answer any Two)
3.      Explain 8255 Modes of operation with block diagram
4.      Write an Algorithm and Assembly Language Program to move a robotic arm 90o clockwise to pick an object and bring it back to initial position.
5.      Write an Algorithm and Assembly Language Program to read a temperature sensor (LM35) and store the result in AL register of 8086. The buffer 74LS244 which transfers the converted data outputs to data bus is selected when C0H.
  
                                                                                                                  (2*10=20)

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Thursday 2 June 2011

EC09 505: First sessional Question Paper



JYOTHI ENGINEERING COLLEGE, CHERUTHURUTHY
FIRST SESSIONAL EXAMINATION AUGUST 2011
EC09 505: MICROPROCESSORS AND MICROCONTROLLERS

Time: 2 hrs                                                                                                 Max Marks: 50

PART A
(Answer all questions)
  1. Write an example for 1. Register Relative 2.Register Indirect Addressing mode
  2. Differentiate between JMP and LOOP Instruction
  3. Explain the different steps in 8086 Assembly Language Program(ALP) development
  4. What is NEG instruction? Write an alternate method for NEG operation
  5. If DS=7FA2H    and offset is 438EH , Calculate 1. Physical Address 2. Lower Range 3. Upper range of Data Segment 4.Logical Address
                                               
                                                                                                             (2*5=10)

PART B
(Answer all questions)
  1. What is segmentation? How is it organized in 8086 Microprocessor?
  2. Explain Flag register in 8086 microprocessor
  3. Write a short note on following instruction 1. JZ 2.JB 3.JA
  4. Write a 8086 ALP to find sum of 10 numbers. First no. should store in location 2000H and result in 3000H
                                                                                                             (4*5=20)

PART C
(Answer all questions)
1.      Explain the architecture of 8086 Microprocessor with suitable block diagrams.
2.      Write an Algorithm and Assembly Language Program to covert 2 digit Decimal number to Hexadecimal number.   
                                                                                                                  (2*10=20)

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Wednesday 1 June 2011

EC09 505: Microprocessors And Microcontrollers


EC09 505: Microprocessors  And Microcontrollers


                                                                                                 
 


Teaching scheme                                                                                  Credits: 4
 3 hours lecture and 1 hour tutorial per week

 

 


Objectives

  • To introduce the student with knowledge about architecture, interfacing and programming with 8086 microprocessors and 8051 microcontrollers.  It gives a brief  introduction to ARM 7 and ARM 9  micro controllers.
  • With this paper, the student should be able to design microprocessor/controller based system for any relevant applications.   


Module I (13hours)
Software architecture of the 8086/8088 microprocessors-Address space, Data organization, registers, memory segmentation and addressing, stack, I/O space, Assembly language programming and program development.

Module II (14 hours)

8086/88 microprocessor architecture-min/max mode- Coprocessor and Multiprocessor configuration -  hardware organization of address space-control signals andI/O interfaces- Memory devices, circuits and sub system design – various types of memories, wait state and system memory circuitry.

Module III (14hours)

I/O interfacing circuits –Hand  shaking,serial and parallel interfacing-Address decoding-Interfacing chips-Programmable peripheral interfacing (8255)-Programmable communication interface(8251)-Programmable timer(8253)-DMA controller(8237/8257)-Programmable interrupt controller(8259)-Keyboard display interface(8279)

Module IV (13hours)
Intel 8051 microcontroller-CPU operation-Memory space-Software overview-Peripheral overview-Interrupt- timers parallel port inputs and outputs-serial port-low power special modes of operation-Introduction to ARM processors –features of ARM 7 and 9 processors 


Text Books

  1. Triebal W A  & Singh A., The 8088 and 8086 microprocessors McGraw Hill
  2. Ramesh S Gaonkar -8085 Architecture and programming Wiley Eastern
  1. David Calcutt, Fred Cowan & Hassan,’8051 Microcontrollers-an application based introduction’.Newnes-Elsevier,Indian Reprint 2008
  2. Andrew .N.Sloss,Dominic Sysmes,Chris Wright  - Arm System Developers Guide-Designing and Optimizing System software, Morgan Kaufmann Publishers.

Reference Books

1.Intel Data Book vol.1, Embedded Microcontrollers and Processors
2. Hall D.V., Microprocessors and Interfacing

McGraw Hill                     
3. Mohammed R.,Microprocessor& Microcomputer based system design,Universal Book stall

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