ATSAML21G17B-MNT

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Embedded systems are the core of our current digital age, controlling and managing almost everything from security systems in our homes to flight control systems in airplanes. The microcontroller is one of the most important components in an embedded system and there are many types available on the market. The ATSAML21G17B-MNT is one of them and its application field and working principle will be elaborated on in this article.

Application Field of ATSAML21G17B-MNT

The ATSAML21G17B-MNT is a 32-bit microcontroller with the Atmel SAM L21 ARM® Cortex®-M0+ Core. It is suitable for high performance, low power, and excellent cost-effectiveness applications. It is especially suitable for battery-powered applications which requires low energy consumption. Additionally, It can also be used in other embedded applications such as industrial control, consumer electronics, as well as home appliances etc.

Main Features of ATSAML21G17B-MNT:

• 128KB Flash memory with support for 128-bit double word write access
• Wide supply range from 1.62V to 3.6V
• Wide range of power management features
• Event system for flexible and deterministic tasks handling
• 12-bit Analog-to-Digital converter (ADC) with up to 20 channels
• Up to eight Direct Memory Access (DMAs)
• Up to four Output Compare (OC) units
• Up to four Timer Counters with Capture and Compare modes
• Up to two PLCs (Programmable Logic Controller)

Working Principle of ATSAML21G17B-MNT

The ATSAML21G17B-MNT is a 32-bit microcontroller with an Atmel SAM L21 ARM® Cortex®-M0+ Core. It operates at frequencies up to 48MHz. The microcontroller maintains real-time program execution through a combination of hardware, software, and additional circuitry. Additionally, the microcontroller is able to track and execute commands simultaneously.

Core Features of ATSAML21G17B-MNT:

• Interrupts and interrupts controller (IRQC) for low power operation
• Switch matrix for pin remapping and multiplexing of various peripherals
• Unique ID Number (UNIQID) for secure identification
• Vector interrupt controller (VIC) for low latency vectored interrupts handling
• Direct Memory Access (DMA) controller for data transfer
• System Timer (SysTick) for time-keeping and periodicity operations
• Integrated Real-Time Clock (RTC) with wake-up and backup features

The ATSAML21G17B-MNT contains internal flash with up to 8 pages of 256 bytes each. The device also contains on-chip debug interface and serial wire debug (SWD). Additionally, it is also equipped with several advanced power management features such as low-power run and idle modes, as well as various sleep and wake-up scenarios.

The ATSAML21G17B-MNT also provides an advanced interrupt controller (AIEC) along with wake-up support and interrupt events. The controller contains up to two 4-priority level interrupt lines, which can be used to enable external interrupts using the SysTick peripheral. It also has several features for monitoring and measurement via Analog-to-Digital Converter (ADC) peripheral, which can be used for capturing data from external input signals.

Advanced Features of ATSAML21G17B-MNT

• Peripheral DMA controller for optimizing data transfers between peripherals and memory
• Calibration for correcting the static offset in the ADC peripheral
• Communication Interfaces such as USART, UART, SPI, I2C, and CAN
• Symmetric multiprocessor (SMP) architecture for gaming, graphical, and audio applications
• 16-bit atomic operations controller (AOPC) for atomic operations between multiple parties
• Power-on reset (POR) circuitry to properly power up and reset the device

In conclusion, the ATSAML21G17B-MNT is a powerful, low-power, and cost-effective 32-bit microcontroller. It is suitable for a wide range of applications due to its advanced features. Its high processing power, wide range of power management features, and low-power operation capabilities make it ideal for battery-powered applications. Additionally, it is versatile enough to be used in other embedded applications such as industrial control, consumer electronics, home appliances, etc.

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