Instruction TCM (ITCM) is a small, fast memory region that is located within the Cortex-M processor itself. It allows frequently…
The Cortex-M3 CPU implements an instruction prefetch unit and branch prediction unit to improve performance by reducing stalls due to…
The ARM Cortex-M3 is a 32-bit ARM processor core licensed by ARM Holdings. It is aimed at embedded applications requiring…
ARM Cortex-M processors can be configured with either a unified or separate memory address space for code and data. The…
The LDR (LoaD Register) instructions in ARM Cortex-M are used to load data from memory into a register. The Cortex-M…
The number of available interrupts in ARM Cortex-M3 and Cortex-M4 microcontrollers depends on the specific chip implementation. However, the Cortex-M3…
The EPSR (External Physical State Register) is a 32-bit register present in ARM Cortex processors that indicates the current physical…
The ARM Debug Interface v5 Architecture Specification defines a standard debug interface between ARM processor cores and external debuggers. This…
Yes, Apple does use ARM-based chips in many of its products including iPhones, iPads, Apple Watches and more recently, Mac…
ARM processors are very popular in embedded systems due to their power efficiency and performance…
Digital Signal Processing (DSP) refers to processing digital signals using specialized programming and hardware optimizations…
The ESP32 is an extremely popular WiFi-enabled microcontroller produced by Espressif Systems. With its integrated…
The Cortex-M3 memory system allows configuring memory regions to be shareable or non-shareable between processors. It also allows configuring cache…
The key difference in exception handling between Cortex-M and Cortex-R processors is that Cortex-M uses the Nested Vectored Interrupt Controller…
Cross compiling with GCC for the ARM Cortex M3 allows developers to build code on a host system like Linux…
The ARM Cortex-M0 is an extremely popular 32-bit embedded processor used in a wide range of microcontroller units (MCUs). As…
Context switching on Cortex-M0 microcontrollers can be problematic due to the limited resources available on these low-cost ARM chips. While…
The Cortex-M0 is the smallest and most energy-efficient processor in the Cortex-M series of ARM processors. As an ultra low…
When working with a Cortex-M3 microcontroller, it is crucial to understand how to differentiate between valid and invalid addresses. This…
Yes, ARM Cortex-M processors are capable of performing division operations in hardware. While earlier Cortex-M0 and Cortex-M0+ processors lacked a…
The ARM architecture refers to a family of reduced instruction set computing (RISC) processors that are widely used in embedded…
An ARM cross-compiler is a compiler that runs on one architecture but produces executable code for a different architecture -…
Microcontrollers have limited amounts of memory available, so it is important to understand how this memory is partitioned and used.…
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