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ATSAME70Q21A-CFNT Application Field and Working Principle

The Atmel|Microchip AT91SAME70Q21A-CFNT microcontroller is an entry-level embedded processor, using an ARM Cortex-M7 to provide users with an easy-to-program, reliable device suitable for a variety of applications.

The Atmel|Microchip microcontroller features a low-power ARM Cortex-M7 core, which operates at up to 70MHz and provides two sets of 32-bit floating-point (FPV) and double-precision (DSP) floating-point units. Additionally, the device has 1MBytes of onboard Flash memory and 64KBytes of RAM. Atmel|Microchip has built-in an extensive set of on-chip peripherals, such as 16 times 12 bits of one-billion-parallel Digital-to-Analog-Converter (DAC) and 12 bits Analog-to-Digital-Converter (ADC).

Application Fields

The Atmel SAME70Q21A-CFNT microcontroller is well-suited for a variety of embedded applications requiring advanced performance. The device is capable of running advanced real-time operating systems and can provide up to 1.2 GFLOPS of performance. These include applications such as industrial automation, advanced safety systems, home and building automation, medical device, life support and diagnostic equipment, and automotive systems requiring high performance.

It can further be used in a wide range of embedded control applications. It comes with an onboard USB Debugger and an on-chip debug module which enables users to debug their code in real-time. This makes it well-suited for applications such as industrial or consumer devices requiring high speed communication, as well as robotic and vision systems.

Working Principle

The Atmel SAME70Q21A-CFNT microcontroller uses an embedded ARM Cortex-M7 core for the control and execution of the user\'s applications. It is connected with the peripheral interfaces, memory controllers, and other components that enable it to perform its basic tasks.

The ARM Cortex-M7 core reads and executes instructions from the onboard Flash memory. This program is written using the Atmel/Microchip Studio IDE, which developers can use to program the board and make it run their code. The instructions inform the processor on how to interact with the peripheral interfaces, such as the I/O, USB, and communications interfaces, as well as how to control memory access.

The processor is also connected with built-in clock circuitry, which allows the processor to be clocked at the target frequency. Additionally, a number of on-chip ROMs and low-leveling configuration registers exist, which allow the processor to configure its peripherals, as well as allowing users to program the device even when not in active operation.

When used in combination with other electronic components, such as sensors, actuators, and communication components, the Atmel SAME70Q21A-CFNT microcontroller can be used to build an embedded system capable of providing advanced features and advanced performance.

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