Arithmetic instructions of 8085 perform arithmetic operations such as addition, subtraction, increment, and decrement. Addition Any 8-bit number or the contents of a register or the contents of a memory location can be added to …
There are 5 types of instruction sets available in the 8085 microprocessor. Today we are going to learn about the data transfer instructions in 8085 microprocessor. Data transfer instructions in 8085 microprocessors are used to …
In this lecture, we are going to learn about the 8254 programmable interval timer, its features, pin configuration of 8254, block diagram of 8254, and its operating modes in detail. So let’s start with the …
In this lecture, we are going to learn about the most important device of the 8085 microprocessor which is the 8255 PPI (Programmable Peripheral Interface) in very detail. So let’s start with the introduction of …
For applications where we require multiple interrupt sources, we need to use external devices called programmable interrupt controllers (PIC). By connecting PIC to the microprocessor we can increase the interrupt handling capacity of the microprocessor. …
Whenever more than one I/O device is connected to a microprocessor-based system, any one of the I/O devices may ask for service at any time. There are two methods by which the microprocessor can service …
In this lecture, we are going to learn about what is instructions, the Instruction set of 8085 microprocessors, and the classification of the instruction set of 8085 microprocessors. so let’s discuss it one by one …
Introduction of Microprocessor: The most important technological invention in modern times is the “Microprocessor”. This device consists of thousands of transistors on a chip, which was fabricated using silicon gate MOS technology. What is Microprocessor? …
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