Single-precision (SP) floating-point instructions in Arm Cortex-M processors refer to operations that process 32-bit floating-point data according to the IEEE…

Scott Allen 6 Min Read

Arm

How much memory does the Cortex-M4 have?

The Cortex-M4 is a 32-bit ARM processor core designed for embedded and IoT applications. It is part of ARM's Cortex-M…

Scott Allen 7 Min Read

Arm

Accessing Constants and Immediate Values in ARM Instructions (Cortex M)

ARM Cortex M processors provide several ways to access constant and immediate values directly within instructions. This allows efficient access…

Elijah Erickson 7 Min Read

Arm

Cortex-M3 Instruction Prefetching and Branch Prediction (Explained)

The Cortex-M3 CPU implements an instruction prefetch unit and branch prediction unit to improve performance by reducing stalls due to…

Jamie Kellett 14 Min Read

Arm

LDR instructions in Arm Cortex-M

The LDR (LoaD Register) instructions in ARM Cortex-M are used to load data from memory into a register. The Cortex-M…

Jeday Schwartz 7 Min Read

Videos

Basic Flash Programming and the process in integrating Cortex M0

Neil Salmon 6 Min Read

What is the function of the MMU?

Ryan Ryan 8 Min Read

Tips for Debugging ARM Cortex-M3 with OpenOCD and GDB

Ryan Ryan 15 Min Read

Cortex-M0 Low Power Features (Explained)

David Moore 11 Min Read

Arm

Cortex-M0 DesignStart Clock Duty Cycle Requirements

The Cortex-M0 DesignStart microcontroller from ARM utilizes an ARM Cortex-M0 processor core which requires a clock source with specific duty…

Ryan Ryan 9 Min Read

Arm

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

Arm

ARM FPU Instruction Set

The ARM Floating Point Unit (FPU) provides hardware support for calculations using floating point numbers. The FPU instruction set allows…

Graham Kruk 7 Min Read

Arm

Cortex-M Rust

Rust is a systems programming language that has gained popularity in recent years for its focus on safety, speed, and…

Elijah Erickson 8 Min Read

Arm Cortex M3

Sleep Modes in ARM Cortex-M3 (Explained)

The ARM Cortex-M3 processor has multiple low power or sleep modes that allow the system designer to minimize power consumption…

David Moore 15 Min Read

Arm

What is arm Cortex-M33?

The ARM Cortex-M33 is a 32-bit processor core designed for embedded and Internet of Things (IoT) applications. It is part…

Elijah Erickson 7 Min Read

Arm

Changing Interrupt Priority on Cortex-M Microcontrollers

Cortex-M microcontrollers allow developers to assign different priority levels to interrupts. This allows high priority interrupts to preempt lower priority…

Holly Lindsey 6 Min Read

Arm

Difference between ARM7 and Cortex-M3

The key difference between the ARM7 and Cortex-M3 microcontrollers is that the ARM7 is an older generation 32-bit RISC processor…

Andrew Irwin 20 Min Read

Arm

What is the Thumb instruction set of the ARM controller?

The Thumb instruction set is a compressed variant of the ARM instruction set that was introduced in ARMv4T architectures. It…

Holly Lindsey 9 Min Read

Arm

ARM Cortex M4 vs Raspberry Pi

The ARM Cortex-M4 and Raspberry Pi are two very different devices that serve different purposes. The Cortex-M4 is a 32-bit…

Mike Johnston 7 Min Read

Arm

Using De Bruijn sequences for faster count leading zeros (CLZ)

The count leading zeros (CLZ) operation is an important function in many computing applications, especially on microcontrollers and other resource-constrained…

Holly Lindsey 8 Min Read

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