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 ARM Cortex-R7?

The ARM Cortex-R7 is a high-performance real-time processor core designed by ARM based on the ARMv7-R architecture. It is intended…

Holly Lindsey 8 Min Read

What is ARM Cortex-R5?

The ARM Cortex-R5 is a processor core designed by ARM Holdings for use in real-time embedded systems. It is part…

Graham Kruk 8 Min Read

What is ARM Cortex-R4?

The ARM Cortex-R4 is a 32-bit RISC processor core designed by ARM Holdings. It is part of the Cortex-R series…

Elijah Erickson 8 Min Read

ARM Neon Intrinsics

ARM Neon is a Single Instruction Multiple Data (SIMD) architecture extension for ARM Cortex-A series processors. It provides vector processing…

Eileen David 7 Min Read

Cortex-M4 Debug Registers

The Cortex-M4 processor from ARM includes several debug registers that allow developers to debug and trace code execution. These registers…

David Moore 8 Min Read

ARM Cortex M0 Memory Map

The ARM Cortex M0 is a 32-bit RISC processor core designed for microcontroller applications. It is the smallest and most…

Elijah Erickson 7 Min Read

ARM Cortex-M4 Memory Map

The ARM Cortex-M4 is a 32-bit processor core used in various microcontroller units (MCUs) and system-on-chips (SoCs). It has a…

Graham Kruk 8 Min Read

What is the order of bytes in ARM processor?

The ARM processor architecture uses little-endian byte ordering. This means that in multi-byte data types like integers, the least significant…

Eileen David 6 Min Read

What is an atomic memory operation?

An atomic memory operation is a type of operation in computing where a single memory access or update happens in…

Eileen David 8 Min Read
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