David Moore

104 Articles

Is Raspberry Pi 4 ARM or arm64?

The Raspberry Pi 4 is based on the ARM Cortex-A72 processor which uses the ARMv8-A 64-bit instruction set architecture. This…

David Moore 8 Min Read

What is the purpose of the SysTick timer in ARM Cortex-M?

The SysTick timer is a key component in ARM Cortex-M cores that enables simple timekeeping and basic task scheduling in…

David Moore 9 Min Read

What is Timer Mode in ARM?

ARM processors provide several different timer modes that allow developers to configure timers for different use cases. The timer mode…

David Moore 7 Min Read

What is EK TM4C123GXL?

The EK TM4C123GXL is a low-cost evaluation board based on the TM4C123GH6PM microcontroller from Texas Instruments (TI). The TM4C123GXL is…

David Moore 6 Min Read

What is the TM4C123 Microcontroller?

The TM4C123 is a 32-bit ARM Cortex-M4 based microcontroller from Texas Instruments. It is part of the Tiva C Series…

David Moore 9 Min Read

Cortex-M4 Debug Registers

The Cortex-M4 processor from ARM includes several debug registers that allow developers to debug and trace code execution. These registers…

David Moore 8 Min Read

What are atomic operations in ARM?

Atomic operations in ARM refer to operations that are executed atomically, meaning they are completed in one single step without…

David Moore 7 Min Read

Can ARM Cortex Run Linux?

The short answer is yes, ARM Cortex processors are capable of running Linux-based operating systems. ARM processors power billions of…

David Moore 7 Min Read

Idr ro, [r1, #4] meaning

The instruction "idr ro, " is an ARM assembly language instruction used on ARM Cortex processors. It stands for "Integer…

David Moore 6 Min Read

Link Register and Program Counter

The link register and program counter are key components of the ARM processor architecture. They play important roles in handling…

David Moore 8 Min Read

RISC-V Interview Questions

RISC-V is an open standard instruction set architecture (ISA) based on established reduced instruction set computer (RISC) principles. Unlike most…

David Moore 7 Min Read

ARM Microcontroller Interview Questions

Arm microcontrollers are extremely popular in embedded systems and IoT devices. Here are some common interview questions and answers about…

David Moore 14 Min Read
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