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

ARM Cortex-M vs Kirin A1

The ARM Cortex-M and Kirin A1 are two very different processors designed for different use cases. The Cortex-M is designed…

Mike Johnston 9 Min Read

How is interrupt vector table used?

The interrupt vector table is a key component in ARM Cortex microcontrollers and processors that allows them to respond quickly…

Mike Johnston 9 Min Read

How Many Interrupts Are Available in the ARM Cortex-M3/M4?

The number of available interrupts in ARM Cortex-M3 and Cortex-M4 microcontrollers depends on the specific chip implementation. However, the Cortex-M3…

Mike Johnston 8 Min Read

Where is the interrupt vector table located in arm?

The interrupt vector table in ARM processors is located at the start of memory, beginning at address 0x00000000. This table…

Mike Johnston 7 Min Read

What is interrupt vector table in ARM?

The interrupt vector table in ARM processors contains the addresses of interrupt service routines and exception handlers. It provides the…

Mike Johnston 9 Min Read

What are the 3 Major Components in ARM Processors?

ARM processors are central processing units (CPUs) based on the ARM architecture developed by Arm Holdings. They are widely used…

Mike Johnston 10 Min Read

What is the most efficient ARM processor?

When evaluating ARM processors, efficiency is a key consideration along with performance. The most efficient ARM processor balances high performance…

Mike Johnston 8 Min Read

What is the frequency of Cortex-M4?

The Cortex-M4 is a high-performance microcontroller from ARM that is part of their Cortex-M series. It features a 32-bit ARM…

Holly Lindsey 6 Min Read

What is the HFSR register on the arm?

The HFSR (HardFault Status Register) is one of the key registers in the ARM Cortex series of processors that provides…

Holly Lindsey 13 Min Read
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