AT91CAP9A-STK

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Evaluation boards play an important role in helping designers and engineers make decisions about the right core used for their project. Embedded devices like micro-controllers and digital signal processors (DSPs) are the foundation for the vast majority of systems that are used for any type of process control today. Such boards like the Atmel AT91CAP9A-STK evaluation board are used to help developers identify the right processor for their applications as well as to help them debug and develop code to run on that processor. This article will explain the various uses of the AT91CAP9A-STK board and show how its working principles allow it to be so useful.

Overview

The Atmel AT91CAP9A-STK is an evaluation board that is designed to accommodate the Atmel AT91CAP9A microcontroller. The entire board has an overall size of 5.9" x 4.8" and is powered by a 3.3V power source. It supports an external USB 2.0 connection for both programming and debug functions. The board is also outfitted with a rich set of features including a JTAG header, Serial Wire Debug (SWD), 8-channel 12-bit analog-to-digital converters (ADC), a Real-Time Clock (RTC) module, USB 2.0, a UART port, 16 GPIOs, an I2C port, a 0.5A MAX II CPLD, and an Atmel Shrunken Arm Cortex-M4 Core.

Application Fields and Working Principles

The Atmel AT91CAP9A-STK board is used for a variety of applications. It is suitable for automotive, consumer, industrial, and medical embedded applications. It can be used for the development of embedded features like power management, digital audio processing, and motor control. Furthermore, the board can be used in conjunction with Atmel’s Atmel Studio development environment in order to develop, debug, and simulate applications easier and faster. This makes the Atmel AT91CAP9A-STK ideal for prototyping and testing new designs.

Working with the Atmel AT91CAP9A-STK board is relatively straightforward. The board can be plugged directly into a USB 2.0 port for powering and programming. A 5V power source is also required for getting the board up and running. A rich set of features including but not limited to ADC, RTC modules, USB 2.0, UART, 16 GPIOs, I2C port, and an Atmel Shrunken Arm Cortex-M4 Core is found on the board, making it easy to work with these features.

The main feature of the board is its Atmel Shrunken Arm Cortex-M4 Core. This is a 32-bit processor that works with the Atmel Studio development environment as well as other compilers. It supports a variety of features such as run-time data protection, direct register access, memory remapping, and power management. The Cortex-M4 core allows the board to operate at speeds that are ideal for embedded applications such as high-speed data processing, motor control, and digital audio processing.

The Atmel AT91CAP9A-STK board also integrates a sophisticated Atmel MAX II CPLD for arithmetic processing, data routing, built-in self-test, and timer operation. The CPLD allows for rapid prototyping of custom logic designs at low cost and time. The JTAG header enables easy connection to Atmel devices for programming and debugging.

In addition, the Atmel AT91CAP9A-STK board has two external synchronization inputs and one external synchronization output. The synchronization is used for signal synchronization for edge detection and triggering processes. The board also features an 8-channel 12-bit analog-to-digital converter (ADC) and a Real-Time Clock (RTC) module. The ADC is used for low voltage analog input detection and the RTC module can be used for time-based measurement.

The Atmel AT91CAP9A-STK evaluation board is a great tool for exploring and developing with Atmel micro-controllers and digital signal processors. Its rich set of features makes it an ideal choice for testing and prototyping embedded systems and applications. The board is also compatible with Atmel Studio development environment, making it easy to use for software development as well as for debugging.

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