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

Is Arm Cortex-M4 a microcontroller or microprocessor?

The Arm Cortex-M4 is a 32-bit microcontroller core designed and licensed by Arm Holdings. It incorporates the Armv7-M architecture and…

Graham Kruk 6 Min Read

Is Arm Cortex-M4 RISC or CISC?

The Arm Cortex-M4 processor is a 32-bit RISC CPU that is widely used in embedded and IoT applications. While it…

Graham Kruk 7 Min Read

What architecture is Cortex-M4?

The Cortex-M4 is an ARM processor core based on the ARMv7-M architecture. It is designed for embedded applications requiring high…

Graham Kruk 9 Min Read

ARM Cortex-M4 Microcontroller

The ARM Cortex-M4 is a 32-bit microcontroller core developed by ARM Holdings. It is part of the Cortex-M series of…

Graham Kruk 7 Min Read

ipsr register cortex-m4

The ipsr register is an important part of the ARM Cortex-M4 processor. It stands for Interrupt Program Status Register and…

Graham Kruk 6 Min Read

ARM Cortex M4 Development Board

The ARM Cortex-M4 is a 32-bit processor core licensed by ARM Holdings. It is part of the Cortex-M series of…

Graham Kruk 8 Min Read

The Basepri Register in Cortex-M4 Processors

The basepri register is a key component of the interrupt handling system in Cortex-M4 processors. It allows priority filtering of…

Graham Kruk 6 Min Read

Primask Register in Cortex-M4

The PRIMASK register is one of the special-purpose program status registers in ARM Cortex-M4 cores. It is used to disable…

Graham Kruk 7 Min Read

ARM Cortex-M4 DSP

The ARM Cortex-M4 processor is a 32-bit RISC CPU that includes a digital signal processing (DSP) extension for improved digital…

Graham Kruk 5 Min Read
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