8254 programmable interval timer
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 …
Microprocessor
8255 PPI (Programmable Peripheral Interface)
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 …
8259A Programmable Interrupt Controller
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. …
Interrupts in 8085 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 …
Instruction Set of 8085 Microprocessor | Classification of Instruction set of 8085 Microprocessor
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 …
8085 Microprocessor | Architecture of 8085 Microprocessor
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? …
What is Memory? | Types of Memory in Microprocessor and Microcontroller
What is Memory? Any system that processes digital data needs a facility for storing the unprocessed, partially processed, and completely processed data. A subsystem of such a digital processing system that can store all the …
