Arm

How to Write a Bootloader for x86

Writing a bootloader for x86 systems requires an understanding of x86 assembly language, the BIOS, and operating system boot processes.…

Graham Kruk 7 Min Read
Arm

What is the difference between startup code and reset handler?

When an ARM-based microcontroller powers on or resets, the processor begins executing instructions from a specific memory address. The code…

Ryan Ryan 12 Min Read
Arm

Cortex-M0+ core Hang up in FFFF FFFEh address when executing DSB instruction

The Cortex-M0+ core can hang up or freeze at the address FFFF FFFEh when executing the DSB (Data Synchronization Barrier)…

Neil Salmon 7 Min Read
Arm

What Is Arm Cortex M

Arm Cortex-M is a family of 32-bit RISC ARM processor cores licensed by Arm Holdings. The Cortex-M processors are designed…

Jeday Schwartz 11 Min Read
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Arm

Embedded Systems with ARM Cortex-M Microcontrollers in Assembly Language and C

8 Min Read
Arm

ARM Neon Intrinsics

7 Min Read
Arm

Options for Floating Point Math on Cortex M Without FPUs

8 Min Read
Arm

Arm WFF Instruction

6 Min Read

Highlights

Arm

Armv8 Boot Sequence

Andrew Irwin 7 Min Read
Arm

How is interrupt vector table used?

Mike Johnston 9 Min Read
Arm

Difference Between Program Counter and Link Register

Eileen David 8 Min Read
Arm

What are Saturated Math Instructions in Arm Cortex-M Series?

Scott Allen 9 Min Read
Arm

ARM Cortex-M4 Memory Map

Graham Kruk 8 Min Read
Arm

What is ARM Cortex-R82?

Javier Massey 7 Min Read
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Arm

What is SysTick 24-bit timer in Arm Cortex-M series?

The SysTick timer is a 24-bit down counter built into the Cortex-M series of ARM processors. It provides microsecond timing…

Mike Johnston 6 Min Read
Arm

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

What is the difference between bootloader, startup code and bootstrap loader?

When an ARM-based system powers on, there are several key software components that run to initialize the hardware and prepare…

Ryan Ryan 7 Min Read
Arm Cortex M0/M0+

Synthesizing the Cortex-M0 DesignStart Core Using Xilinx ISE

The Cortex-M0 processor from ARM is one of the most popular 32-bit microcontroller cores on the market today. As one…

Holly Lindsey 9 Min Read
Arm

What is DSP in ARM processor?

Digital Signal Processing (DSP) refers to processing digital signals using specialized programming and hardware optimizations in ARM processors. DSP enhances…

Scott Allen 6 Min Read

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Arm
What is Nested Vector Interrupt Control (NVIC)?

The Nested Vectored Interrupt Controller (NVIC) is the interrupt controller used in ARM Cortex-M series…

Arm
What is context switching in the Arm Cortex?

Context switching refers to the process of storing and restoring the state or context of…

Arm
What are the pipeline stages of the Cortex-M3?

The Cortex-M3 is a 32-bit RISC processor designed by ARM to provide high performance and…

Videos

Arm

Security features of The Arm Cortex-A76 (Explained)

The Arm Cortex-A76 is a high-performance CPU core designed for mobile, embedded and infrastructure applications. It offers several security features…

Neil Salmon 10 Min Read
Arm

Running debugger on Cortex M0 on FPGA

Debugging an embedded system running on a Cortex M0 processor implemented in an FPGA can be challenging but is an…

Andrew Irwin 9 Min Read
Arm

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

What is ARM reset handler?

The reset handler, also known as the reset vector, is the first code that runs when an ARM processor starts…

Scott Allen 8 Min Read
Arm

What is the TrustZone in the Arm Cortex?

The TrustZone is a security extension in the Arm Cortex series of processors that provides hardware-level isolation between secure and…

Graham Kruk 6 Min Read
Arm

What is ARMv7-M in Arm Cortex-M series?

ARMv7-M refers to the architecture profile designed by ARM for microcontroller applications. It is part of the larger ARMv7 architecture…

Scott Allen 6 Min Read
Arm

Cortex-M3 Memory Region Types and Attributes

The Cortex-M3 is an ARM processor core designed for microcontroller applications. It has a Von Neumann architecture with separate code…

Andrew Irwin 13 Min Read
Arm

Using Xilinx vs Altera FPGAs for Cortex-M0 DesignStart

When looking to implement an ARM Cortex-M0 design on an FPGA, the two major FPGA vendors to consider are Xilinx…

Ryan Ryan 8 Min Read
Arm

Arm Cortex M1 Architecture

The Arm Cortex M1 is a 32-bit reduced instruction set computer (RISC) processor designed by Arm for use in embedded…

Neil Salmon 6 Min Read
Arm

What is ARM Cortex M microcontroller?

ARM Cortex-M microcontrollers are 32-bit processor cores designed specifically for embedded applications. They are optimized for low-power consumption and provide…

Jeday Schwartz 5 Min Read
Arm

Could not stop Cortex-M device! Please check the JTAG cable.

Seeing the error message "Could not stop Cortex-M device!" when trying to debug or program a Cortex-M chip over JTAG…

Andrew Irwin 5 Min Read
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