8051 Microcontroller & Embedded Systems Chapter 1

Intercom, telephones, security systems, garage door openers, answering machines, fax machines, TVs, cable TV tuner, VCR, camcorder, and remote controls.

A microprocessor system is a computer system that uses a microprocessor as the central processing unit, whereas a microcontroller system is a small computer on a single integrated circuit that contains a processor, memory, and input/output peripherals.

The companies producing members of the 8051 family are not explicitly listed in the text, but the table shows some examples of embedded products using microcontrollers.

<p>The 8051 family is a type of microcontroller that is widely used in various embedded systems.</p> Signup and view all the answers

<p>Telephones, computers, security systems, fax machines, microwave, copier, and laser printer.</p> Signup and view all the answers

<p>The block diagram of the 8051 microcontroller shows that it consists of a processor, memory, and input/output peripherals.</p> Signup and view all the answers

<p>It holds the address of the memory location from which the next instruction is to be fetched.</p> Signup and view all the answers

<p>It is used to store data and immediate results, consisting of two separate registers, DPH and DPL.</p> Signup and view all the answers

<p>It is an 8-bit register.</p> Signup and view all the answers

<p>They include SCON, TMOD, TCON, PCON, IE, and IP, which control various aspects of the microcontroller's operation.</p> Signup and view all the answers

<p>They provide information on 8051 products and their features from various companies.</p> Signup and view all the answers

<p>To compare and contrast microprocessors and microcontrollers, describe the advantages of microcontrollers, explain the concept of embedded systems, and discuss criteria for choosing a microcontroller.</p> Signup and view all the answers

<p>Speed, packaging, memory, and cost per unit.</p> Signup and view all the answers

<p>Microprocessors are central processing units (CPUs) that require external components to function, whereas microcontrollers are self-contained systems with a CPU, memory, and input/output peripherals.</p> Signup and view all the answers

<p>Embedded systems are specialized computer systems designed to perform specific tasks, and microcontrollers are the core components of these systems, providing the processing power and control.</p> Signup and view all the answers

<p>The 8052, 8031, 8751, AT89C51, and DS5000 are some of the variations of the 8051 microcontroller family.</p> Signup and view all the answers

<p>Microcontrollers are preferred due to their compact size, low power consumption, and reduced cost, making them ideal for applications where space and power are limited.</p> Signup and view all the answers