Subject and UNIT: Microprocessors and Microcontrollers: Unit III: (a) 8051 Microcontroller
Review Questions : 1. Draw the pin diagram of 8051 microcontroller and explain its port structure. 2. List the alternative functions assigned to Port 3 pins of 8051 microcontroller. 3. Explain the pinouts of 8051 microcontroller. Internal and External Memories
Subject and UNIT: Microprocessors and Microcontrollers: Unit III: (a) 8051 Microcontroller
Fig. 14.3.1 shows the internal block diagram of 8051. It consists of a CPU, two kinds of memory sections (data memory - RAM and program memory - EPROM/ROM), input/output ports, special function registers and control logic needed for a timer / counter serial port and interrupt functions.
Subject and UNIT: Microprocessors and Microcontrollers: Unit III: (a) 8051 Microcontroller
Review Questions 1. List the features of 8051 microcontroller. 2. Compare the 8051, 8031 and 8751 microcontroller. 3. List out the hardware resources available in 8051. 4. What are the main features of 8051 microcontroller ?
Subject and UNIT: Microprocessors and Microcontrollers: Unit III: (a) 8051 Microcontroller
Review Question : 1. Distinguish between microprocessor and microcontroller.
Subject and UNIT: Microprocessors and Microcontrollers: Unit III: (a) 8051 Microcontroller
Microprocessors and Microcontrollers: Unit III: (a) 8051 Microcontroller : Contents
A/D and D/A Converter Interfacing with 8085 | Microprocessors and Microcontrollers
Subject and UNIT: Microprocessors and Microcontrollers: Unit IV: (f) A/D and D/A Converter Interfacing with 8085
Microprocessors and Microcontrollers: Unit IV: (f) A/D and D/A Converter Interfacing with 8085 : Two Marks Questions with Answers, University Questions with Answers (Long Answered Questions)
A/D and D/A Converter Interfacing with 8085
Subject and UNIT: Microprocessors and Microcontrollers: Unit IV: (f) A/D and D/A Converter Interfacing with 8085
A sample and hold circuit is used to interface real-world signals. The purpose of this circuit is to hold the analog value steady for a short time while the converter or other following system performs some operation that takes a little time.
A/D and D/A Converter Interfacing with 8085
Subject and UNIT: Microprocessors and Microcontrollers: Unit IV: (f) A/D and D/A Converter Interfacing with 8085
Review Question : 1. Discuss different modes of interfacing ADC to microprocessor.
A/D and D/A Converter Interfacing with 8085
Subject and UNIT: Microprocessors and Microcontrollers: Unit IV: (f) A/D and D/A Converter Interfacing with 8085
Before going to study the temperature control system, let us see the block diagram of microprocessor based process control system.
A/D and D/A Converter Interfacing with 8085
Subject and UNIT: Microprocessors and Microcontrollers: Unit IV: (f) A/D and D/A Converter Interfacing with 8085
ADC 0808 has eight input channels, so to select desired input channel, it is necessary to send 3-bit address on ADC, ADB and ADA inputs.
A/D and D/A Converter Interfacing with 8085
Subject and UNIT: Microprocessors and Microcontrollers: Unit IV: (f) A/D and D/A Converter Interfacing with 8085
The ADC 0808 and ADC 0809 are monolithic CMOS devices with an 8-channel multiplexer. These devices are also designed to operate from common microprocessor control buses, with tri-state output latches driving the data bus.
Subject and UNIT: Microprocessors and Microcontrollers: Unit IV: (f) A/D and D/A Converter Interfacing with 8085
Review Questions : 1. What is analog to digital converter ? 2. Explain how to convert an analog signal into digital signal. 3. Why do we need A/D converter and D/A converter ? 4. What are the applications of D/A converter interfacing with 8255 ?