What is context switching in the Arm Cortex?

Context switching refers to the process of storing and restoring the state or context of a processor when switching between…

Scott Allen 6 Min Read

What Is the Difference Between Arm Cortex-M4 and M33?

The key differences between Arm Cortex-M4 and Cortex-M33 microcontrollers are in their architecture, features, and intended use cases. Cortex-M4 is…

Jeday Schwartz 12 Min Read

Is Arduino Uno ARM Based?

The Arduino Uno is one of the most popular microcontroller boards used by hobbyists, engineers, and makers around the world.…

Ryan Ryan 7 Min Read

Cortex-M3 Memory Protection and Isolation (Explained)

The Cortex-M3 processor from ARM offers several features for memory protection and isolation to help developers build more robust and…

David Moore 10 Min Read
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What is Nested Vector Interrupt Control (NVIC)?

The Nested Vectored Interrupt Controller (NVIC) is the interrupt controller used in ARM Cortex-M series processors. It provides low latency…

Eileen David 12 Min Read

Atomicity of 32-bit writes on ARM Cortex M3

The ARM Cortex M3 processor implements atomic 32-bit writes, meaning writes of 32-bit values are guaranteed to complete without interruption.…

Neil Salmon 6 Min Read

What is the ARM SWD protocol?

The ARM Serial Wire Debug (SWD) protocol is a two-pin debug interface standard developed by ARM for debugging ARM Cortex…

Neil Salmon 8 Min Read

Which memory acts as data memory in Arm Cortex-M4?

The Arm Cortex-M4 processor utilizes a Harvard architecture, which means it has separate instruction and data memories. The data memory…

Eileen David 7 Min Read

Symbol ferror multiply defined Errors with Keil and Cortex-M1

When compiling code for the ARM Cortex-M1 using the Keil compiler, you may encounter an error saying "Symbol ferror multiply…

Mike Johnston 5 Min Read

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What is the Application Program Status Register (APSR) in Arm Cortex-M?

The Application Program Status Register (APSR) in Arm Cortex-M is a 32-bit register that contains…

Software Development on Cortex-M1 Hardware Without an OS

Developing software directly on Cortex-M1 hardware without using an operating system (bare metal) provides maximum…

Understanding IDCODE values returned by Cortex debug ports

The IDCODE is a 32-bit code that provides details about the device, including the version,…

Resolving ld Library and Architecture Errors when Compiling for Cortex-M4

When compiling code for the ARM Cortex-M4 processor, you may encounter linker errors related to incompatible libraries or architecture mismatches.…

David Moore 6 Min Read

How much memory does the Cortex-M85 have?

The Cortex-M85 is an ARM processor targeted for advanced driver assistance systems (ADAS), autonomous driving systems, industrial and IoT applications.…

Eileen David 6 Min Read

FPGA Resource Utilization for Cortex-M0 DesignStart Core

The Cortex-M0 DesignStart core is a low-power ARM Cortex-M0 CPU that is optimized for implementation in FPGAs. When targeting an…

Ryan Ryan 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 Half-Precision (HP) floating-point instructions in Arm Cortex-M series?

Half-precision (HP) floating-point instructions in Arm Cortex-M series processors provide support for calculations using 16-bit floating-point data types. This allows…

Scott Allen 5 Min Read

Is Cortex-M0 32-bit?

The short answer is yes, the Cortex-M0 processor from ARM is a 32-bit processor. The Cortex-M0 is part of ARM's…

Javier Massey 9 Min Read

Cortex-M33 Bootloader

A bootloader is a small program that runs when a device first powers on and initializes the device's hardware and…

Graham Kruk 7 Min Read

ARM Cortex M Assembly Tutorial

Assembly language is a low-level programming language that directly corresponds to a computer's underlying machine or assembly language. Unlike high-level…

Graham Kruk 10 Min Read

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

Syntax for inline assembly operands in GCC

The GNU Compiler Collection (GCC) provides an inline assembler that allows embedding assembly language code into C and C++ programs.…

Jeday Schwartz 9 Min Read

Troubleshooting “Failed to call GENERATE_APP” errors in Vitis w/ Cortext M1

The “Failed to call GENERATE_APP” error when building a Vitis project for the Cortex-M1 processor can be frustrating, but is…

Ryan Ryan 9 Min Read
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