Scott Allen

108 Articles

What is the stack pointer in the ARM Cortex-M4?

The stack pointer in the ARM Cortex-M4 is a register that points to the top of the stack memory. It…

Scott Allen 11 Min Read

What are the exception numbers for the Cortex-M4 processor?

The Cortex-M4 processor handles exceptions and interrupts using vector numbers. A vector number is assigned to each type of exception…

Scott Allen 6 Min Read

What is the stack frame of the ARM Cortex exception?

The ARM Cortex exception stack frame is the region of memory used by the processor to store context information when…

Scott Allen 9 Min Read

How exceptions are handled in ARM processor?

Exceptions are events that disrupt the normal flow of instruction execution in a processor. They can be triggered by various…

Scott Allen 6 Min Read

ARM NVIC Registers

The ARM Cortex Microcontroller has an advanced interrupt controller called the Nested Vectored Interrupt Controller (NVIC) that provides low latency…

Scott Allen 7 Min Read

What are the purposes of the ARM ABI and EABI?

The ARM Application Binary Interface (ABI) and Embedded ABI (EABI) define standards for how executable code interacts with the ARM…

Scott Allen 6 Min Read

What is the EABI in ARM?

EABI stands for Embedded Application Binary Interface. It is a specification that defines how executables, libraries, and startup code interact…

Scott Allen 9 Min Read

What is a fault exception in the ARM Cortex-M3?

A fault exception in the ARM Cortex-M3 is an unexpected event that occurs during program execution which transfers control to…

Scott Allen 8 Min Read

What is the exception handling of the ARM Cortex-M0?

The ARM Cortex-M0 is an ultra low power 32-bit RISC processor core designed for microcontroller applications. It implements the ARMv6-M…

Scott Allen 13 Min Read

What are the exceptions in ARM architecture?

The ARM architecture defines a set of exceptions that can occur during program execution. These exceptions, also known as interrupts,…

Scott Allen 5 Min Read

What is the exception in the Cortex-M?

The Cortex-M is a family of ARM processor cores designed specifically for microcontroller applications. One of the key features of…

Scott Allen 6 Min Read

Big Endian Explained

Big endian and little endian are two different byte ordering methods used in computing. Specifically, big endian and little endian…

Scott Allen 6 Min Read
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