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 enhancement of the Cortex-M4 from the Cortex-M3?

The Cortex-M4 is an advancement over the earlier Cortex-M3 microcontroller core from ARM. It builds on the strengths of the…

David Moore 7 Min Read

Does Raspberry Pi 4 use an ARM processor?

Yes, the Raspberry Pi 4 does use an ARM processor. Specifically, it uses the Broadcom BCM2711B0 quad-core Cortex-A72 64-bit SoC…

David Moore 7 Min Read

Is Raspberry Pi 4 ARM or arm64?

The Raspberry Pi 4 is based on the ARM Cortex-A72 processor which uses the ARMv8-A 64-bit instruction set architecture. This…

David Moore 8 Min Read

What is the difference between the Cortex-M4 and the M7?

The Cortex-M4 and Cortex-M7 are both ARM processor cores designed for embedded and IoT applications. The key differences between them…

Ryan Ryan 6 Min Read

Why STM32 is Better Than ESP32?

Both STM32 and ESP32 are popular 32-bit microcontroller units (MCUs) used in many Internet of Things (IoT) applications today. When…

Ryan Ryan 7 Min Read

Which microcontroller is better than ESP32?

The ESP32 is an extremely popular WiFi-enabled microcontroller produced by Espressif Systems. With its integrated WiFi and Bluetooth capabilities, abundant…

Javier Massey 9 Min Read

Is the arm processor the same as the ESP32?

The short answer is no, the ARM processor and the ESP32 are very different. The ARM processor refers to the…

Javier Massey 9 Min Read

Use of Address of Unaligned Structure Member

Accessing members of a structure that is not aligned to the natural alignment of its members can lead to unaligned…

Javier Massey 7 Min Read

Unaligned Access Error

An unaligned access error occurs when a program attempts to access data that is not aligned to the natural alignment…

Javier Massey 7 Min Read
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