An instruction set covers a number of aspects such as instructions, addressing modes, interrupts, exceptions, registers, etc. This instruction set plays a major role in the programming of a system. And this programming decides the working behaviour of various I/O ports. Talking about the instructions, they are of following types. Data handling and memory operation […]
Instruction Set
August 27th, 2015 
Nilesh Chaurasia An instruction set covers a number of aspects such as instructions, addressing modes, interrupts, exceptions, registers, etc. This instruction set plays a major role in the programming of a system. And this programming decides the working behaviour of various I/O ports. Talking about the instructions, they are of following types. Data handling and memory operation […]
What do you mean by Shared Resource
August 27th, 2015 Nilesh Chaurasia 
Those resources or devices in a processor that are accessed by different instructions at various times during the operation cycle are known as Shared resources. A shared resource can be any device in a system such as memory, printer, register etc. During the execution of complex set of instruction we need to protect our shared […]
What is the Meaning of Watchdog Timer in Microcontroller or Embedded System
August 27th, 2015 Nilesh Chaurasia 
What is Watchdog Timer Watchdog-timer is a timer which, actually reset the embedded system or microcontroller after the timeout specified completes. To avoid the system from reset, the programmer needs to write some instructions (timer restart command) to prevent the timeout of the Watchdog timer. In case of faulty operation, the timer restart command will […]
What do you mean by Bootloader
August 27th, 2015 Nilesh Chaurasia
What do you mean by Bootloader in Embedded System A boot loader is a small software or program mostly stored in the ROM memory space of microcontroller. It is the first program runs When any computing system is switched on. Sometimes it is also known as Firmware Program, because it is stored in the ROM. […]
How to Use 8051 IDE Assembler
August 27th, 2015 Nilesh Chaurasia 
How to use 8051 IDE? We open this tool by following the procedure given below. Start->Programs-> 8051 IDE. The following window will unfold in front of you. Click on ‘New’ to open a new editor. Write the program code in the editor. Click on the ‘Assemble’ tab on Menu Bar and select ‘Assemble’ from the […]
Introduction to Assembly Programming of 8051 Microcontroller
August 27th, 2015 Nilesh Chaurasia 
Hello Friends!! Over the years, the students have always faced a problem of learning Assembly level programming in a systematic manner. To overcome the same, Elex Tutorials has come up with this blog. We are here to share our knowledge of assembly programming on 8051 Microcontrollers which we have gained over the years. To begin […]
Details of Port 0 of 8051 Microcontroller
August 13th, 2015 admin It is a 8 bit port. It requires pull-up register to operate properly because it is open source configuration.
VHDL Code of OR Gates
July 28th, 2015 Nilesh Chaurasia 
This will publish the VHDL Code of the or gate. y:=a|b;
Introduction to 8051 Microcontrollers
July 28th, 2015 Nilesh Chaurasia 
It is a 8 bit microcontroller from Intel. it is having four 8 bit I/O ports.
