Author: Mike Johnston

Implementing ARM Cortex-M processors in FPGAs can be a great way to take advantage of the flexibility and configurability of FPGAs while leveraging the software and toolchain support of the popular ARM architecture. Here are some tips on how to effectively implement Cortex-M cores in your FPGA designs. Selecting the Right Cortex-M Core The first

The SysTick timer is a 24-bit down counter built into the Cortex-M series of ARM processors. It provides microsecond timing capabilities and is commonly used for operating system ticks in RTOS applications. The SysTick timer runs on the processor clock and can generate periodic interrupts for timing events. Overview of SysTick Timer The SysTick timer

The Cortex-M23 is part of ARM’s Cortex-M processor family, designed for microcontroller applications requiring high efficiency in a small physical and memory footprint. The Cortex-M23 is ARM’s most compact microcontroller cores, making it suitable for space-constrained embedded applications such as wearables, medical devices, IoT sensors, and more. uVision5 from Keil is a popular integrated development

A software reset is a method to reset the processor in an ARM Cortex M-based microcontroller without requiring any external hardware. It can be achieved by writing to the System Control Block (SCB) Application Interrupt and Reset Control Register (AIRCR). This register contains the security privileges, reset types and reset request bits needed to initiate

The Arm Cortex-M0+ processor is an ultra low power 32-bit microcontroller CPU core designed for use in energy-constrained devices. With advanced power saving features and an efficient RISC architecture, the Cortex-M0+ enables extremely low power consumption suitable for battery-powered and energy harvesting applications. Some of the key attributes of the Cortex-M0+ architecture that enable its

The Cortex-M0 is an ultra low power 32-bit ARM processor core designed for microcontroller applications. It is the smallest and most energy efficient Cortex-M processor, making it well suited for constrained and battery powered devices. Some key applications and use cases for Cortex-M0 microcontrollers include: Consumer Electronics Cortex-M0 is commonly used in consumer electronics like

The ARM Cortex-M0 is an ultra low power 32-bit microcontroller CPU that is designed for simple, low cost embedded applications. It provides excellent performance per watt, making it well-suited for IoT edge devices and other power-constrained applications. Key Features Here are some of the key features of the Cortex-M0 processor: Performance The Cortex-M0 delivers 0.9

A watchdog timer (WDT) is an important component in many embedded systems that is used to detect system failures and reset the system if necessary. The main purpose of a WDT is to bring the system to a known good state if the software crashes or gets stuck in an infinite loop. Let’s take a

Arm DesignStart is an entry-level program that provides designers access to Arm Cortex-M0 and Cortex-M3 CPU cores, Arm Cordio Bluetooth IP, and supporting design resources to develop innovative products and take them to market quickly. The program aims to lower the barrier to entry for creating Arm-based designs by offering free access to Arm IP,

The Cortex-M series of ARM processors feature a simplified pipeline compared to larger Cortex-A series processors. The Cortex-M pipeline aims to provide high performance with low power consumption for embedded and IoT applications. Fetch Stage The fetch stage is the first stage of the Cortex-M pipeline. In this stage, the processor fetches instructions from memory.