Elijah Erickson
Preventing Interrupt Nesting on Cortex-M using BASEPRI
The Cortex-M processor implements a scheme called "priority masking" to prevent lower priority interrupts from interrupting higher priority code sequences.…
Why is an ISB needed after WFI in Cortex-M FreeRTOS?
An ISB (Instruction Synchronization Barrier) is needed after a WFI (Wait For Interrupt) instruction in Cortex-M based microcontrollers running FreeRTOS…
What is ARM Cortex-R4?
The ARM Cortex-R4 is a 32-bit RISC processor core designed by ARM Holdings. It is part of the Cortex-R series…
ARM Cortex M0 Memory Map
The ARM Cortex M0 is a 32-bit RISC processor core designed for microcontroller applications. It is the smallest and most…
Does ARM Cortex-M3 have cache?
The short answer is no, the ARM Cortex-M3 processor does not have cache. The Cortex-M3 is part of ARM's Cortex-M…
What is the Cache in the ARM Cortex?
The cache in ARM Cortex processors is a small, fast memory that stores copies of frequently used data and instructions…
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…
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…
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,…
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…
What is PRIMASK?
PRIMASK stands for "Priority Mask" and is a register in ARM Cortex-M processors that is used to disable and enable…
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…
