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 specification of STM32F407G?

The STM32F407G is a high-performance microcontroller from STMicroelectronics based on the ARM Cortex-M4 core. It offers a balance of processing…

Elijah Erickson 7 Min Read

How much RAM does STM32F407 have?

The STM32F407 is an ARM Cortex-M4 based microcontroller from STMicroelectronics. It has 192 KB of RAM available for code and…

Elijah Erickson 10 Min Read

What is the use of STM32F407?

The STM32F407 is a high-performance microcontroller developed by STMicroelectronics based on the ARM Cortex-M4 core. With its high processing power,…

Elijah Erickson 10 Min Read

What are the features of STM32F407?

The STM32F407 is a high-performance microcontroller from STMicroelectronics based on the ARM Cortex-M4 core. It offers advanced features making it…

Elijah Erickson 14 Min Read

What is PRIMASK?

PRIMASK stands for "Priority Mask" and is a register in ARM Cortex-M processors that is used to disable and enable…

Elijah Erickson 5 Min Read

What is the difference between fault mask and Primask?

The key difference between a fault mask and PRIMASK in ARM Cortex CPUs is their purpose and scope. A fault…

Elijah Erickson 7 Min Read

What is delivered in a Cortex-M processor?

Cortex-M processors from ARM are 32-bit reduced instruction set computing (RISC) processors optimized for embedded applications. They provide a balance…

Elijah Erickson 5 Min Read

What is the difference between ARM Cortex-M1 and M3?

The main differences between the ARM Cortex-M1 and Cortex-M3 processors lie in their architecture, performance, features, and intended use cases.…

Elijah Erickson 5 Min Read

What is Basepri?

Basepri is a register found in ARM Cortex processor cores that controls the priority level of exception handlers. It plays…

Graham Kruk 5 Min Read
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