ATSAML21J18B-MNT

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Embedded systems are continuously evolving and becoming more and more integrated into everyday life. Nowadays, they are found in a myriad of applications including computers, video game consoles, mobile phones, cars, home appliances, surgery robots and many more. This article will discuss the application field and working principle of one such embedded system: the ATSAML21J18B-MNT microcontroller.

Overview

The ATSAML21J18B-MNT is a low-power, general-purpose 8-bit microcontroller from Atmel’s SAM L family. It is a cost-effective solution for applications requiring some level of programmability and intelligence, such as motor control and digital power for industrial products. The device includes an embedded 32-bit ARM Cortex-M0+ processor, which is capable of executing multiple tasks simultaneously and can achieve up to 3.3 MIPS at 48 MHz.

Features

• 32-bit ARM Cortex-M0+ processor
• Up to 48 MHz maximum clock frequency
• Up to 64k Flash and 4k SRAM Memory
• Up to 24 I/O pins
• Low-power technology reduces power consumption by more than 90%
• Full pin-to-pin and software compatibility with other SAM L family members

Application Field

The ATSAML21J18B-MNT microcontroller is a versatile and well-suited device for a wide range of applications. It can be used as an interface for control, communication and sensing in industrial control, automotive and medical applications. For example, it can be used in motor control applications for automated Gantry systems and robotic arms. It can also be used for digital power and lighting purposes for residential, commercial and hospitality products. Furthermore, its low power consumption makes it an optimal choice for battery powered applications such as medical devices, fitness monitoring and remote sensors.

Working Principle

From a functional perspective, the ATSAML21J18B-MNT microcontroller is a programmable device whose main components are a central processing unit (CPU) and associated memory. It is capable of storing and executing instructions. The CPU is responsible for the coordinate execution of instructions and performing basic computations. The associated memory is used to store instructions and data. In the ATSAML21J18B-MNT microcontroller, the instructions are written in software, typically in either C or assembly language. The ATSAML21J18B-MNT microcontroller can be programmed using Atmel Studio or one of the many development tools available from external vendors. These tools provide an integrated development environment (IDE) that includes facilities for editing, compiling, debugging and flashing programs into the microcontroller. Atmel Studio also includes a range of built-in libraries and tools for creating graphical user interfaces and performance-oriented applications. Once a program has been written and successfully compiled, it can be tested using either an emulator or debug probe. Debugging is achieved by setting breakpoints and viewing both program code and data memory contents. When the program is ready to be deployed, it can be flashed into the microcontroller, either through the IDE or a dedicated flashing tool.

Conclusion

The ATSAML21J18B-MNT microcontroller is a high-performance and low-power 8-bit microcontroller designed for a wide array of applications, ranging from the automotive industry to the medical sector. It features an embedded 32-bit ARM Cortex-M0+ processor, up to 64k Flash memory and 4k SRAM. In addition, its pin-to-pin and software compatibility with other SAM L family members make it an optimal solution for cost-efficient and time-saving projects.

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