AT91SAM9263B-CU

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The AT91SAM9263B-CU is an embedded microprocessor from the AT91SAM family. It is a 32-bit microprocessor which is designed for embedded applications that are high performance but have low power requirements. The AT91SAM9263B-CU is designed for tasks such as embedded multimedia and communications, industrial automation, in-vehicle computing, and consumer electronics.

The AT91SAM9263B-CU microprocessor has a core frequency of up to 200MHz. It includes a 64-bit general purpose processor, three-way instruction decoding, and 16-bit instruction decoding. It also has two UARTs, four USB Host/Device ports, two SPI buses, two I2C buses, four timers, four external interrupts, and one Ethernet PHY. It supports several type of external memory including SRAM, NOR Flash, and NAND Flash.

The AT91SAM9263B-CU uses an ARM926EJ-S core. It is based on the ARMv5TE instruction set architecture, which is suitable for embedded applications. The ARM926EJ-S core features high performance, low power consumption and support for a wide range of memory configurations. It also has an integrated vector floating point (VFP) unit for performing efficient floating point calculations.

The AT91SAM9263B-CU uses a system-on-chip (SoC) design. This SoC design integrates several system-level peripherals including a on-chip clock generator, a real-time clock, four CCCs, an LCD connector, a DDR2 controller, a USB On-The-Go controller, and a 10/100 Ethernet MAC. This SoC enables the integration of these peripherals into one device, reducing system complexity and cost.

The AT91SAM9263B-CU uses an integrated power management unit (PMU) for power management. This PMU offers a comprehensive power saving mechanism to reduce system power consumption. The PMU can be configured to power down select sections of the system for power saving purposes when in an idle state, or to reduce system power consumption when in an active state.

The AT91SAM9263B-CU also includes a bootloader which supports external memory booting. This bootloader is capable of loading the operating system into the system RAM from external memory, and is capable of doing so over a USB, Ethernet, or serial port. This bootloader can also control the power management of the system, disabling certain sections of the system while booting the OS.

The AT91SAM9263B-CU is an ideal microprocessor for embedded multimedia and communications applications, with its low power requirements and high performance. It is also suitable for industrial automation, in-vehicle computing, and consumer electronics applications due to its integrated PMU and wide range of system-level peripherals.

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