AT91SAM9261-CJ-999

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AT91SAM9261-CJ-999 is an embedded microprocessor. It is commonly used within consumer electronics and non-critical embedded device controls. The chip is capable of these tasks due to its low power consumption and wide range of I/Os. This article will delve into foundational understanding of the application fields and working principles of the AT91SAM9261-CJ-999.

The AT91SAM9261-CJ-999 is classified as a 32-bit microcontroller with ARM920T core and a maximum operating frequency of up to 100 MHz. The chip is manufactured in a 0.15 μm NewSIL process with embedded flash memory and SRAM. This allows for a maximum operating temperature between -40°C and 85°C.

In terms of operating conditions, the AT91SAM9261-CJ-999 has been tested to withstand extreme conditions such as vibration, shock, drop and humidity. This makes it suitable for a variety of applications including automotive, medical, IoT and industrial devices.

The AT91SAM9261-CJ-999 is built with a variety of peripherals, some of which include analog-to-digital converters, synchronization slave ports (SPI), embedded trace macro-cell (ETM) and two hardware encryption modules. All of these components allow the chip to take on complex tasks.

The embedded flash memory allows for several booting options, making it easier for developers to update the embedded code. The chip also incorporates an on-chip debug module which makes it easier to debug the code and make changes with minimal impact to the design.

In terms of application fields, the AT91SAM9261-CJ-999 is most commonly used in consumer electronics, such as smart TVs, wearable devices, and home automation. It is also used in industrial applications such as sensors, machinery controls, and robotics. Some of its key features, such as its low power consumption, wide range of I/Os, and reliable performance, make it an ideal choice for these applications.

The working principle of the AT91SAM9261-CJ-999 is based on the ARM920T core architecture. Its 32-bit RISC processor operates at 100 MHz with 3.2 DMIPS. It also has a range of core operating tools, such as the Vector Floating-Point (VFP) coprocessor for the fast processing of floating-point operations. The chip also incorporates a variety of peripherals, such as the on-chip debug module, encryption modules, and an integrated communication interface.

To operate, the AT91SAM9261-CJ-999 requires an external clock source. This can be an external crystal oscillator, or an external oscillator, that is synchronized to the supply voltage. The chip then uses the data within the code to execute instructions. The chip also has the capability of updating the code when required, and it uses the embedded flash memory to store the updated code.

To summarize, the AT91SAM9261-CJ-999 is an embedded microprocessor that is frequently used in consumer electronics, as well as industrial and other embedded applications. Its low power consumption, wide range of I/Os, and reliable performance make it suitable for a variety of applications. Its ARM920T core operates at up to 100 MHz and can perform complex operations with the use of the various on-chip peripherals, including the on-chip debug module and encryptions modules. It also has the capability of updating its code with the use of an external clock source, as well as its embedded flash memory.

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