Category: Blogs

I2C Protocol

Inter-Integrated Circuit (I2C) is a communication protocol commonly used in embedded systems to connect microcontrollers, sensors, and other devices. It simplifies communication between different components on a circuit board and uses a two-wire inte...

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What purpose does the start-up code has in an MCU?

The start-up code is the first code that runs on an MCU after the Hardware Power On Reset release, responsible for initializing essential sections of the MCU code required for its booting process. It is typically a lightweight code written in assembl...

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Different Types of Interrupt Controllers.

The interrupt controller hardware can be configured in various ways, resulting in several types of interrupt controllers. The following are some of the most prevalent: Generic Interrupt Controller (GIC) Nested Vector Interrupt Controller (NVIC) ...

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What is an Interrupt Controller ?

An interrupt controller is a programmable device that manages interrupt requests from hardware or other peripherals to the CPU. The development of processor standards has led to the use of interrupt controllers, which helps reduce the burden on CPU d...

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What is Direct Memory Access (DMA)?

An Embedded System relies heavily on the CPU to handle arithmetic, logic, control, and I/O operations. The CPU comprises the Control Unit (CU), Arithmetic & Logic Unit (ALU), and registers. The CU communicates with the ALU and memory for executing or...

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What is an interrupt?

An interrupt is a hardware signal to the CPU, which can pause the program subroutine execution of the CPU and executes another subroutine called ISR (interrupt subroutine). ISR function call is asynchronous means execution of the function will be dep...

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Boot Sequence Of ARM Based MCU

The Boot Sequence is a crucial process that initializes a Microcontroller unit (MCU) and brings both the software and hardware components to life. The firmware stages and hardware configurations involved in the boot process can vary depending on the ...

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