Ryan Ryan
What is the difference between startup code and reset handler?
When an ARM-based microcontroller powers on or resets, the processor begins executing instructions from a specific memory address. The code…
What will happen when reset is executed in ARM Cortex-M based microcontroller?
When the reset is executed on an ARM Cortex-M based microcontroller, the processor will restart and reload the program counter…
How many different priority levels are there for the Cortex-M4?
The Cortex-M4 processor from ARM has support for up to 256 different priority levels for interrupts and exception handling. This…
What is a Non-Maskable Interrupt (NMI) in ARM?
A non-maskable interrupt (NMI) in ARM is a hardware interrupt that cannot be ignored or disabled by software. It is…
How to disable nesting in NVIC Interrupts in ARM Cortex M0+?
The quick answer is that you can disable interrupt nesting in ARM Cortex M0+ by setting the PRIGROUP field in…
What is the purpose of the MMU?
The MMU, or Memory Management Unit, is a component in computer systems that manages memory accesses and translates virtual memory…
What is the function of the MMU?
The MMU, which stands for Memory Management Unit, is a component in CPUs that handles memory access and management. Its…
What does LDR mean in ARM assembly?
LDR is an ARM assembly language instruction that stands for "LoaD Register". It is used to load a value from…
What is the lowest power ARM processor?
When it comes to low power consumption, ARM processors are among the leaders in the industry. The ARM architecture is…
How big is a register in ARM?
The size of a register in ARM depends on the specific ARM architecture being used. ARM has evolved over the…
How many registers are there in arm cortex M4?
The ARM Cortex-M4 processor contains 37 registers in total. These registers can be categorized into the following types: General Purpose…
What is the difference between link register and stack pointer?
The link register and stack pointer are two important registers used for different purposes in ARM Cortex processors. The main…
