Microcontroller Lab | Experiment No. 6: Analog-to-Digital (A/D) and Digital-to-Analog (D/A) Conversion Interfacing by Prakhar Chauhan | Learn Smarter
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Knowledge
Experiment No. 6: Analog-to-Digital (A/D) and Digital-to-Analog (D/A) Conversion Interfacing

This chapter focuses on the principles and practical implementation of Analog-to-Digital (A/D) and Digital-to-Analog (D/A) conversion, emphasizing the interfacing of these converters with a microprocessor. Key aspects include understanding the internal workings of DAC and ADC integrated circuits, writing assembly language programs for data conversion operations, and analyzing generated waveforms. The practical exercises illustrate the necessity of these converters for microprocessors to interact with the analog world effectively.

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Sections

  • 1

    Aim

    This section describes the aim of Experiment No. 6, focusing on understanding A/D and D/A conversions and their interfacing with microprocessors.

    Learning Practice

  • 2

    Objectives

    This section outlines the key objectives that students should achieve by completing the experiment on A/D and D/A conversion.

    Learning Practice

  • 3

    Theory

    This section covers the principles and applications of Analog-to-Digital (A/D) and Digital-to-Analog (D/A) conversion, including their interfacing with microprocessors.

    Learning Practice

  • 3.1

    Digital-To-Analog (D/a) Conversion

    This section explains the process and principles of Digital-to-Analog (D/A) conversion and its significance in interfacing with microprocessors.

    Learning Practice

  • 3.2

    Analog-To-Digital (A/d) Conversion

    This section covers the principles and practices associated with Analog-to-Digital (A/D) conversion, focusing on parameters such as resolution, accuracy, and the functionality of popular ADC ICs.

    Learning Practice

  • 3.3

    Interfacing With Microprocessor (8085/8086)

    This section explores the interfacing of Analog-to-Digital (A/D) and Digital-to-Analog (D/A) converters with microprocessors (8085/8086).

    Learning Practice

  • 4

    Materials Required

    This section outlines the materials required to perform the experiment on Analog-to-Digital (A/D) and Digital-to-Analog (D/A) conversion.

    Learning Practice

  • 5

    Procedure

    This section outlines the procedure for interfacing Analog-to-Digital (A/D) and Digital-to-Analog (D/A) converters with microprocessors, detailing step-by-step processes for DAC and ADC operations.

    Learning Practice

  • 5.1

    Part A: Dac0808 Interfacing And Waveform Generation

    This section focuses on the interfacing of DAC0808 with microprocessors for analog waveform generation, covering key concepts of D/A conversion.

    Learning Practice

  • 5.1.1

    Interfacing Schematic For Dac0808

    This section discusses the interfacing schematic for the DAC0808 digital-to-analog converter, detailing its operational principles and connections with microprocessors.

    Learning Practice

  • 5.1.2

    Assembly Program For Ramp/staircase Waveform (8085/8086 Example)

    This section outlines the assembly program used to generate a ramp or staircase waveform using the 8085/8086 microprocessor and a Digital-to-Analog Converter (DAC).

    Learning Practice

  • 5.1.3

    Execution And Observation

    This section covers the practical implementation and analysis of Analog-to-Digital (A/D) and Digital-to-Analog (D/A) converters interfaced with a microprocessor.

    Learning Practice

  • 5.2

    Part B: Adc0804 Interfacing And Digital Display

    This section focuses on interfacing the ADC0804, an 8-bit Analog-to-Digital Converter, with a microprocessor to read analog inputs and display them digitally.

    Learning Practice

  • 5.2.1

    Interfacing Schematic For Adc0804

    This section discusses the interfacing schematic for the ADC0804, detailing the connections, operational principles, and programming involved in utilizing this analog-to-digital converter with a microprocessor.

    Learning Practice

  • 5.2.2

    Assembly Program For Adc Reading And Display (8085/8086 Example)

    This section covers the interfacing of ADC0804 with a microprocessor (8085/8086) and the assembly programming needed to read and display analog signals.

    Learning Practice

  • 5.2.3

    Execution And Observation

    This section covers the execution and observation aspects of interfacing Analog-to-Digital (A/D) and Digital-to-Analog (D/A) converters with a microprocessor.

    Learning Practice

  • 6

    Observations

    This section outlines the experimental procedures and observations for interfacing Analog-to-Digital (A/D) and Digital-to-Analog (D/A) converters with a microprocessor, focusing on the characteristics and outcomes of these interactions.

    Learning Practice

  • 7

    Deliverables

    This section outlines the deliverables required for the experiment on A/D and D/A conversion interfacing.

    Learning Practice

  • 8

    Conclusion

    This section summarizes the successful interfacing of A/D and D/A converters with a microprocessor, illustrating core principles and practical applications.

    Learning Practice

References

Untitled document (14).pdf

Class Notes

Memorization

What we have learnt

  • A/D and D/A conversion are ...
  • Key parameters of converter...
  • Interfacing DACs and ADCs w...

Final Test

Revision Tests