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Articles, Tutorials on Embedded Systems

Embedded systems

• What are Microcontrollers and their types?
• What is an Embedded System?
• Embedded Systems, its type and applications.
• Microcontrollers vs Microprocessors.
• How Microcontrollers are different than Microprocessors?
• C programming tips for Embedded Development.
• Embedded C Interview Questions and Answers.

AVR Microcontroller

• What is AVR (Advanced Virtual Risc)?
• How to blink an LED using the AVR?
• AVR | Blinking 2 LEDs Alternatively with the help of button.
• AVR |Blinking 4 LEDs alternatively.
• AVR | Rotating DC motor clockwise and anti clockwise using ATmega16 microcontroller.
• AVR | Control the revolution of Simple DC motor.
• AVR | Using a Motor Driver to run Motors.
• AVR | Seven Segments LCD Display.
• PIN diagram and registers of 16x2 LCD.
• AVR | Masking.
• AVR | Print HELLO WORLD on the 16x2 LCD.
• AVR | USART Home Automation.
• Create counter using an 8-bits LCD | AVR.
• Interrupt and Its Use | AVR.

8051 Microcontroller programming

• Pin Description of 8051 Microcontroller.
• Oscillator Frequency in Microcontrollers.
• 8051 Microcontroller programming using Keil Uvision IDE.
• How to upload HEX code to microcontrollers?
• Hello world program for 8051 Microcontroller.
• Accessing Ports and Pins in 8051 Microcontroller.
• Reading and Writing values in Microcontroller Ports.

8085 Microprocessor

1. Introduction to Microprocessor architecture and its description
2. Addition of two 8 bits numbers in 8085 Microprocessor
3. Addition of two 8-bits numbers in 8085 Microprocessor with carry
4. Subtraction of Two 8 bits number with consideration of Borrow in 8085 Microprocessor
5. Subtraction of Two 8 bits number without borrow in 8085 Microprocessor
6. Division of two 8 bits numbers using 8085 Microprocessor
7. Maximum of two 8 bits number in 8085 Microprocessor
8. Minimum of Two 8 bits number in 8085 Microprocessor
9. Multiplication of two 8 bits numbers using 8085 microprocessor with carry
10. Reverse an 8 bits number | 8085 Microprocessor
11. 1's and 2's Compliment of 8 bits number in 8085 Microprocessor
12. Check for EVEN or ODD (8 bits) using 8085 Microprocessor
13. Convert a binary number into ASCII number | 8085 Microprocessor
14. Convert an 8 bits number into its Gray number | 8086 Microprocessor
15. Access Flag register and exchange the content of flag register F with register B | 8085 Microprocessor
16. Print the table of a given number | 8085 Microprocessor
17. Addition of two 16 bits numbers in 8085 Microprocessor using 16 bits operation
18. Swap two 16 bits numbers using direct addressing mode
19. 2's Compliment of 8 bits number with carry
20. Multiplication of two 8 bits numbers using logical instructions
21. Addition of three 16 bits numbers | 8085 Microprocessor
22. Fibonacci series program | 8085 Microprocessor
23. Assembly language program in 8085 microprocessor to multiply two 16 bit numbers
24. Write the 8085 instructions which reset the accumulator
25. Addition of two 8-bit BCD numbers | 8085 Microprocessor
26. Swap two 8-bit numbers using Direct addressing mode | 8085 Microprocessor
27. Masking of lower and higher nibble of 8-bit number | 8085 Microprocessor
28. Exchange content of HL register pair with DE register pair
29. Flag registers of 8085 Microprocessor
30. Find square of an 8-bit number | 8085 Microprocessor
31. Find square root of an 8-bit number |8085 Microprocessor

8086 Microprocessor

1. Introduction to 8086 Microprocessor
2. Architecture of 8086 Microprocessor
3. Data copy/ Transfer Instruction | Instruction set of 8086 Microprocessor
4. Types of registers in the 8086 Microprocessor
5. Flag Register in 8086 Microprocessor
6. Pin diagram of 8086 Microprocessor
7. Memory Organization in the 8086 Microprocessor
8. Categories of Addressing Modes of 8086 Microprocessor
9. Data Memory Addressing Mode in 8086
10. General Instruction Formats in 8086 Microprocessor
11. Program Memory Addressing Mode of 8086 Microprocessor
12. Instruction Format in 8086 Microprocessor
13. Segment Override Prefix | 8086 Microprocessor
14. Data Transfer Instructions | 8086 Microprocessor
15. Jump Instructions in 8086 Microprocessor
16. Modular programming | 8086 Microprocessor
17. Shift and Rotate Instructions in 8086 Microprocessor
18. Procedures in the 8086 microprocessor
19. The CALL and RET instruction in the 8086 Microprocessor
20. Minimum Mode in the 8086 Microprocessor
21. Maximum Mode in the 8086 Microprocessor
22. Arithmetic and Logical Operations of 8086 Microprocessor
23. Different Addressing Modes of 8086 Microprocessor
24. Recursive and Re-entrant Procedures in 8086 Microprocessor
25. Advantages and Disadvantages of using Procedures in the 8086 Microprocessor
26. Macros in the 8086 Microprocessor
27. Difference between Procedures and Macros in 8086 Microprocessors
28. String handling in the 8086 Microprocessor
29. Addition of two 16 bits numbers without carry using 8086 Microprocessor
30. Subtraction of two 8 bits BCD numbers | 8086 Microprocessor
31. Subtraction of two 16 bits numbers without carry using 8086 Microprocessor
32. Multiply two 8 bits number | 8086 Microprocessor
33. Multiplication of two 16 bits numbers without carry using 8086 Microprocessor
34. Find sum of the digits of an 8 bits number using 8086 Microprocessor
35. Find sum of two arrays of 8 bits N numbers using 8086 Microprocessor
36. Reverse an 8-bit number | 8086 Microprocessor
37. Reverse a 16 bits number using 8086 Microprocessor
38. Print the table of a given number | 8086 Microprocessor
39. Convert an 8 bits number into its Gray number | 8086 Microprocessor
40. Add Hexadecimal numbers stored in Continuous Memory or in an Array
41. Calculate the factorial of a number | 8086 Microprocessor
42. Divide a 16 bits number by an 8 bits number | 8086 Microprocessor
43. Swap Two 8 bits numbers | 8086 Microprocessor
44. Find addition of two 8-bit BCD numbers | 8086 Microprocessor
45. Find the minimum value in a given array | 8086 Microprocessor
46. Find the largest among 8-bit N numbers | 8086 Microprocessor
47. Sort numbers in ascending order in an array | 8086 Microprocessor
48. Find minimum of two 8-bit numbers | 8086 Microprocessor
49. Find minimum of two 16-bit numbers | 8086 Microprocessor
50. Find the maximum of two 8-bit numbers | 8086 Microprocessor
51. Find maximum of two 16-bit numbers | 8086 Microprocessor
52. Subtract Two 16-bits numbers | 8086 Microprocessor
53. Convert 8-bit ASCII to BCD number | 8086 Microprocessor
54. Find Square Root of a number | 8086 Microprocessor
55. Show masking of lower and higher nibbles of 8-bit number | 8086 Microprocessor
56. Show masking of lower and higher nibbles of 16-bit number | 8086 Microprocessor
57. Problems on physical address calculation in 8086 Microprocessor
58. Steps to execute an instruction and concept of Pipelining in 8086 Microprocessors
59. Problems: on finding the instruction format for different Instructions in 8086 Microprocessor
60. Multiple Choice Question
    • MCQ | Addressing Modes in 8086 Microprocessor
    • MCQ | Procedures and Macros in 8086 Microprocessor
    • MCQ | String Manipulation Instructions in the 8086 microprocessor

8255

1. Introduction to 8255 PPI (Programmable peripheral interface)
2. Pin diagram of 8255 PPI (Programmable peripheral interface)
3. Data Flow Diagram of 8255 PPI (Programmable peripheral interface)
4. Handshaking in Computer architecture
5. Modes of operation of 8255 PPI (Programmable peripheral interface)
6. The BSR Mode of 8255 PPI (Programmable peripheral interface)
7. The I/O Mode of 8255 PPI (Programmable peripheral interface)
8. MCQ | 8255 PPI (Programmable peripheral interface)

Misc.

1. L293D Motor Driver IC
2. The 8255 programmable IC