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…

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…

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…

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…

23 Min Read

Latest Arm

How to Enable the FPU in Cortex-M4 Microcontrollers?

The Cortex-M4 processor includes a single precision floating point unit (FPU) that can significantly improve performance for applications using floating…

7 Min Read

What is FPU in Cortex-M4?

The FPU (Floating Point Unit) in Cortex-M4 is a hardware unit that provides support for floating point arithmetic operations. It…

6 Min Read

Does Arm Cortex-M4 have FPU?

The short answer is yes, the Arm Cortex-M4 processor core does contain an FPU (Floating Point Unit). The Cortex-M4 FPU…

8 Min Read

Arm Cortex M4 Errata

The Arm Cortex-M4 processor is a popular 32-bit microcontroller core used in a wide range of embedded systems. As with…

6 Min Read

What is the stack pointer in the ARM Cortex-M4?

The stack pointer in the ARM Cortex-M4 is a register that points to the top of the stack memory. It…

11 Min Read

What are the exception numbers for the Cortex-M4 processor?

The Cortex-M4 processor handles exceptions and interrupts using vector numbers. A vector number is assigned to each type of exception…

6 Min Read

What is the stack frame of the ARM Cortex exception?

The ARM Cortex exception stack frame is the region of memory used by the processor to store context information when…

9 Min Read

How exceptions are handled in ARM processor?

Exceptions are events that disrupt the normal flow of instruction execution in a processor. They can be triggered by various…

6 Min Read

ARM NVIC Registers

The ARM Cortex Microcontroller has an advanced interrupt controller called the Nested Vectored Interrupt Controller (NVIC) that provides low latency…

7 Min Read
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