Sleep Modes in ARM Cortex-M3 (Explained)

The ARM Cortex-M3 processor has multiple low power or sleep modes that allow the system designer to minimize power consumption…

David Moore 15 Min Read

Using SLEEPDEEP Bit to Select Sleep Mode on Cortex-M3

The Cortex-M3 CPU provides a SLEEPDEEP bit to allow flexible selection of sleep modes. Setting this bit allows the Cortex-M3…

Jamie Kellett 11 Min Read

Cortex-M3 Processor Sleep Modes for Power Management

The Cortex-M3 processor from ARM offers various sleep modes that can be leveraged for power management. By utilizing the sleep…

David Moore 13 Min Read

Debugging Capabilities of the Cortex-M3 (Explained)

The Cortex-M3 processor from ARM offers a comprehensive set of debugging capabilities to help developers optimize their applications. This includes…

Scott Allen 12 Min Read

Latest Arm Cortex M3

Bit-band Regions for Atomic Operations in Cortex M3

The Cortex-M3 processor implements bit-band regions that allow single-bit atomic read-modify-write operations to be performed on peripheral registers without the…

Elijah Erickson 8 Min Read

What is the Handler mode in Arm Cortex M3?

The Handler mode in Arm Cortex M3 is one of the processor modes that determines the execution privilege level and…

Elijah Erickson 9 Min Read

What is the Thread mode in Arm Cortex M3?

The Thread mode in Arm Cortex M3 refers to one of the processor modes that controls access privileges in the…

David Moore 9 Min Read

What are the two operational modes in ARM Cortex M3?

The ARM Cortex-M3 processor has two main operational modes - Thread Mode and Handler Mode. Understanding these two modes is…

Holly Lindsey 7 Min Read

Reset Sequence in Cortex-M3 Microcontrollers

Cortex-M3 microcontrollers feature a flexible reset sequence that allows system designers to customize the reset process to meet their specific…

Elijah Erickson 13 Min Read

Handling Resets and Exceptions During Cortex-M3 Boot Code Execution

When a Cortex-M3 microcontroller first powers on or resets, it will begin executing boot code located in internal flash or…

Elijah Erickson 7 Min Read

Relocating the Vector Table in Cortex-M3 Boot Code

The Cortex-M3 vector table contains the reset value and exceptions handlers that are executed when specific events occur. By default,…

Graham Kruk 8 Min Read

Using Processor-Only vs. Full Reset in Cortex-M3 Debugging

When debugging Cortex-M3 processors, developers have the option of using either a processor-only reset or a full reset. The choice…

Graham Kruk 11 Min Read

Managing Reset Domains in Cortex-M3 Systems

The Cortex-M3 processor contains multiple reset domains that allow independent reset control of different modules within the system. Proper configuration…

Graham Kruk 9 Min Read
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