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…

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…

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…

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…

23 Min Read

Latest Arm

Does a microcontroller need a bootloader?

A microcontroller is a small, low-cost computer chip that is programmed to perform various input/output and processing functions in an…

6 Min Read

What is the difference between firmware and bootloader?

Firmware and bootloader are two important software components in many electronic devices, especially those using ARM processors. While they work…

9 Min Read

What is the bootloader of MCU?

A bootloader is a small program that runs when a microcontroller (MCU) first powers up. It is responsible for initializing…

8 Min Read

What is bootloader in ARM?

A bootloader is a small program that runs when an ARM-based system first powers on. It is responsible for initializing…

8 Min Read

What should be the first step in a reset handler?

The first step in a reset handler should be to save the processor state. This involves saving important register values…

10 Min Read

What is the processor boot sequence?

When a processor powers on, it goes through a series of steps to initialize hardware, configure memory, and load the…

7 Min Read

Is the ARM Cortex M3 a processor or controller?

The ARM Cortex M3 is primarily considered a microcontroller, which contains elements of both a processor and peripheral interfaces and…

7 Min Read

What are the modes of ARM Cortex M?

ARM Cortex-M processors have multiple modes to provide different levels of access and functionality. The main modes are Thread Mode,…

8 Min Read

Is bare metal programming good?

Bare metal programming refers to writing software directly for hardware, without the use of an operating system or libraries. It…

8 Min Read
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