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 ARM Calling Convention?

The ARM calling convention refers to the standard procedure used on ARM architectures for function calls between software modules. It…

Graham Kruk 9 Min Read

What registers to save in the ARM C calling convention?

The ARM C calling convention defines how functions should be called in C programs compiled for the ARM architecture. Specifically,…

Graham Kruk 7 Min Read

What are the four major components of ARM Cortex-M processor?

ARM Cortex-M processors are designed for embedded applications requiring low power consumption and high performance. They are based on the…

Graham Kruk 4 Min Read

Arm Programming Software

Arm processors power technology that's transforming the world – from smartphones to supercomputers, from medical instruments to agricultural sensors. To…

Graham Kruk 11 Min Read

What is the history of ARM Cambridge?

ARM Cambridge has a long and storied history as one of the pioneers in RISC processor technology. The company was…

Graham Kruk 7 Min Read

Is the Cortex-M4 a processor or controller?

The Cortex-M4 is commonly referred to as both a processor and a controller. Technically, it is a 32-bit processor core…

Graham Kruk 6 Min Read

Is Arm Cortex-M4 based on Harvard or von Neumann architecture?

The Arm Cortex-M4 processor utilizes a von Neumann architecture rather than a Harvard architecture. This means that the Cortex-M4 has…

Graham Kruk 6 Min Read

What is the difference between ARM M4 and M0?

The main differences between ARM Cortex-M4 and Cortex-M0 processors come down to performance, features, and intended use cases. Cortex-M4 is…

Graham Kruk 8 Min Read

How many registers are there in arm cortex-M4?

The ARM Cortex-M4 processor contains 37 registers in total. These registers can be categorized into general purpose registers, special purpose…

Graham Kruk 3 Min Read
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