What is Serial Wire Viewer (SWV) in Arm Cortex-M?

Serial Wire Viewer (SWV) is a real-time trace functionality that is available in Arm Cortex-M microcontrollers. It allows real-time data…

Mike Johnston 9 Min Read

Arm Cortex-M DAP bus and interconnect architecture Explained

The Arm Cortex-M series of processors feature a Debug Access Port (DAP) that provides debug capability and access to the…

Neil Salmon 11 Min Read

Controlling Clocks and PLL for Power Savings in Cortex-M3

The Cortex-M3 processor provides multiple clock control features that allow significant power savings by slowing or stopping clocks when parts…

David Moore 12 Min Read

Sleep-on-Exit for Automated Low Power in Cortex-M3 (Explained)

Sleep-on-exit is a feature in Cortex-M3 processors that allows the processor to automatically enter a low power sleep mode when…

Eileen David 23 Min Read

Latest Arm

What is the difference between ARM MVE and neon?

ARM-based processors have long included SIMD instructions to improve performance for multimedia and signal processing workloads. Two key SIMD instruction…

Holly Lindsey 7 Min Read

Is Neon available with Cortex-M or Cortex-A series?

The short answer is no, ARM's Neon SIMD instruction set extension is not available on Cortex-M series processors. Neon is…

Holly Lindsey 6 Min Read

How to disable nesting in NVIC Interrupts in ARM Cortex M0+?

The quick answer is that you can disable interrupt nesting in ARM Cortex M0+ by setting the PRIGROUP field in…

Ryan Ryan 6 Min Read

What is the difference between NVIC and GIC in ARM?

ARM processors utilize interrupts extensively to handle events and peripherals. There are two main interrupt controller systems used in ARM…

Jamie Kellett 9 Min Read

What is the purpose of the MMU?

The MMU, or Memory Management Unit, is a component in computer systems that manages memory accesses and translates virtual memory…

Ryan Ryan 9 Min Read

What is the function of the MMU?

The MMU, which stands for Memory Management Unit, is a component in CPUs that handles memory access and management. Its…

Ryan Ryan 8 Min Read

What is the MMU of the ARM processor?

The MMU (Memory Management Unit) is a key component of the ARM processor architecture that handles virtual-to-physical memory address translations.…

Mike Johnston 8 Min Read

Does cortex M series have MMU?

The short answer is yes, the Cortex-M series of ARM processor cores do have an MMU (Memory Management Unit). The…

Mike Johnston 7 Min Read

What is the difference between MMU and MPU?

The main difference between an MMU (Memory Management Unit) and an MPU (Memory Protection Unit) lies in their capabilities for…

Javier Massey 11 Min Read
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