AT91SAM9260B-CU

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The AT91SAM9260B-CU is a mature power efficient, cost-effective microprocessor designed for embedded and cost-sensitive applications. Featuring the ARM926EJ-S processor core, the AT91SAM9260B-CU reduces system costs and increases design flexibility. It is suitable for a variety of applications, including industrial control, medical and instrumentation, automotive, and consumer electronics. The AT91SAM9260B-CU is also widely used in IoT applications.

The main features of the AT91SAM9260B-CU include: ARM Cortex-M3 multi-core with 8Kbytes of instruction cache, 128Kbytes of instruction RAM, 64Kbytes of data RAM, and a 32-bit peripheral bus. It also has a dual-mode memory controller, which supports both conventional synchronous and asynchronous memories. The device also includes a number of peripheral interfaces, such as USB 2.0, Ethernet 10/100, and SDIO.

In terms of performance, the AT91SAM9260B-CU boasts of a CPU frequency up to 75MHz and a powerful low power mode which reduces power consumption by 90%. The integrated two-channel DMA unit in the AT91SAM9260B-CU also offers significant performance improvements over the previous generations. In addition, the device can be configured for faster boot times using the System Init register.

The AT91SAM9260B-CU supports a variety of memory types, including NOR, NAND, and SDRAM. The device also features an integrated Ethernet controller, enabling the use of IP-based network applications. The device also offers a wide range of connectivity options, including USB 2.0 host/device, UART, Twilight Link, and Audio. With its support for multiple industry standard operating systems, such as Linux, Windows CE, and ThreadX, applications can be quickly developed and deployed on the AT91SAM9260B-CU.

The working principle of the AT91SAM9260B-CU is very simple. Its main processor, the ARM926EJ-S, is a general-purpose, Load/Store architecture based on the Von Neumann model and supports 32-bit instruction words and 32-bit data words. It functions as the master controller of the device, controlling the operation of the internal peripherals. The integrated two-channel DMA unit allows data to be transferred directly between different peripherals without having to use the CPU cycles. The memory controller allows the device to access the internal memory or external memory different memory types.

The AT91SAM9260B-CU also features a variety of peripheral interfaces for communication, Ethernet, USB 2.0, SDIO, and Twilight Link, as well as audios. These peripherals are connected to the central core through the advanced peripheral bus, allowing the device to perform data transfer quickly and efficiently. In addition, the device also has integrated power management, allowing the device to remain operational even when the power is switched off.

In conclusion, the AT91SAM9260B-CU is an excellent embedded and cost effective microprocessor solution. Its high performance, low power consumption, and advanced peripheral connections offer the flexibility and performance required by embedded systems. It is widely used in applications such as industrial control, automotive, and IoT, making it a reliable choice for embedded product development and deployment.

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