AT91SAM7XC256-AU-999

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The AT91SAM7XC256-AU-999 is an embedded microcontroller classified as part of the AT91SAM7X family of microcontrollers by Atmel Corporation. It is a 32-bit ARM7TDMI-S core with 256KB of embedded Flash and 64KB of SRAM. This microcontroller is intended for a wide variety of general purpose applications, enabling organizations to develop embedded systems on a budget.

The AT91SAM7XC256-AU-999 microcontroller is specifically designed for embedded systems, which are computer systems that are hidden away or embedded in other systems to control the function of the underlying device. These systems are often used in consumer electronics, automotive systems, medical equipment, industrial process control, robots, and other specialized control. Various components such as LEDs, relays, buttons, and switches can be connected to the microcontroller, allowing it to control the device they are connected to.

The ARM7TDMI-S core inside of the AT91SAM7XC256-AU-999 is the processor which executes instructions from programming. It is a 32-bit ARM processor which enables efficient data manipulation and movement, making it suitable for highly embedded applications. The processor is also able to run at frequencies up to 50MHz, allowing for fast response times for critical systems or applications.

The AT91SAM7XC256-AU-999 also has 256 KB of embedded Flash memory, which is program memory for the microcontroller. It is non-volatile memory, meaning that the programs stored in it will remain even if the power is turned off. The Flash memory is also able to be programmed in a single cycle, allowing the system to be quickly flashed with the new firmware without sacrificing performance or power consumption. In addition, the Flash memory is also erasable and can be reprogrammed multiple times, enhancing the longevity of the system the microcontroller is a part of.

The AT91SAM7XC256-AU-999 also has 64 KB of SRAM, which is random-access memory that is used by the microcontroller to store data temporarily. It is significantly faster than Flash memory, allowing the microcontroller to quickly access and manipulate the stored data. The SRAM also can be easily reprogrammed and has no power requirements, ensuring that the microcontroller is always able to access the data stored in it.

The AT91SAM7XC256-AU-999 microcontroller is also equipped with a range of peripherals, including analog and digital interfaces, timers, serial communication interfaces, an SPI port and a JTAG port. These peripherals allow the microcontroller to be connected to a range of different external components, further enhancing its capabilities. For example, the analog interface allows the microcontroller to measure environmental variables such as humidity and temperature, and the digital interface can be used to input button presses or sensor readings from external components. The timer can also be used for precise timing of execution, and the SPI port is used for high-speed communication between the microcontroller and external devices. The JTAG port is used for debugging and flashing, allowing developers to quickly identify errors in their code and flash the new firmware.

Overall, the AT91SAM7XC256-AU-999 microcontroller is a low-cost and powerful embedded controller that is suitable for a wide variety of general-purpose applications. Its ARM7TDMI-S core allows for efficient data manipulation, while the 256KB of embedded Flash and 64KB of SRAM provide ample storage and quick access to data. Lastly, its range of peripherals allows it to be connected to a wide array of external components and devices, further increasing its potential.

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