Eileen David
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…
Software debuggers and configuring for CoreSight components (Arm Cortex-M)
Debugging software on Arm Cortex-M devices requires configuring the CoreSight components like the Embedded Trace Macrocell (ETM), Trace Port Interface…
Differences between JTAG-DP and SWJ-DP debug ports (Arm Cortex-M)
The JTAG-DP and SWJ-DP are two commonly used debug ports for ARM Cortex-M series microcontrollers. Both provide debug access and…
ARM Cross-Compilation Tips
Cross-compiling for ARM can seem daunting at first, but with the right tools and techniques, it can be straightforward and…
What is the difference between ARM Cortex-A55 and A76?
The ARM Cortex-A55 and Cortex-A76 are two of ARM's most popular CPU cores used in mobile devices. The Cortex-A55 is…
Instruction and Data Caches in ARM Cortex-M (Explained)
ARM Cortex-M processors feature both instruction and data caches to improve performance by reducing accesses to slower main memory. Caches…
Reserved PPB Address Ranges for Core Peripherals in Cortex M3
The Cortex-M3 processor includes a number of core peripherals that are mapped to reserved address ranges in the Private Peripheral…
Latency differences between timer, GPIO, and RTOS interrupts
Interrupts are a critical part of embedded systems, allowing time-critical tasks to be executed with minimal latency. However, there can…
Influence Factors That Affect Interrupt Latency
Interrupt latency refers to the time it takes for an interrupt request to be serviced after it is asserted. There…
Vector Table Placement in Cortex-M3 Microcontrollers
The vector table in Cortex-M3 microcontrollers contains the reset value and exceptions handler addresses. Its placement in memory is an…
Cortex M4 Write Buffer Explained
The Cortex-M4 processor includes a write buffer to improve performance when writing data to memory. The write buffer allows the…
Differences between Thumb and Thumb2 instruction sets
The Thumb and Thumb2 instruction sets are both used in ARM processors, but there are some key differences between them.…
