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

Atomicity of 32-bit writes on ARM Cortex M3

The ARM Cortex M3 processor implements atomic 32-bit writes, meaning writes of 32-bit values are guaranteed to complete without interruption.…

Neil Salmon 6 Min Read

What is the Function of the ARM Cortex M3?

The ARM Cortex-M3 is a 32-bit processor core designed for embedded and IoT applications. It is part of ARM's Cortex-M…

Ryan Ryan 7 Min Read

What are the operational modes of the Cortex-M3?

The Cortex-M3 processor from ARM has several operational modes that provide different levels of access and functionality. At the highest…

Ryan Ryan 8 Min Read

What are the addressing modes used in ARM?

ARM processors support a variety of addressing modes that allow accessing operand data in flexible ways. The addressing modes determine…

Scott Allen 6 Min Read

Branch Instructions in ARM Cortex-M

ARM Cortex-M processors utilize branch instructions to alter the flow of a program by jumping to a new location in…

Jamie Kellett 6 Min Read

What are the post-indexed addressing modes in Arm Cortex M?

Post-indexed addressing modes in Arm Cortex M refer to addressing modes where the address is calculated first before being used,…

Graham Kruk 6 Min Read

What are the pre-indexed addressing modes in Arm Cortex M?

The Arm Cortex-M processors support several pre-indexed addressing modes that allow efficient access to arrays and structured data. These addressing…

Eileen David 9 Min Read

What are the different addressing modes used in Thumb State?

The Thumb instruction set used in ARM processors has a reduced number of addressing modes compared to ARM mode. This…

Andrew Irwin 5 Min Read

Arm Cortex M3 Architecture

The Arm Cortex-M3 is a 32-bit processor core licensed by Arm Holdings. It is part of the Cortex-M series of…

Andrew Irwin 8 Min Read
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