AT91SAM9261B-CU

SMART SAM9G ARM® 9 微处理器基于 ARM926™ 的 Atmel® SMART SAM9G 嵌入式微处理器单元 MPU 是高性能数据速度处理器，带扩展外围设备，用于连接和用户界面。### ARM 微控制器，Atmel

The is a complete system-on-chip 32-bit Embedded Microcontroller built around the ARM926EJ-S ARM Thumb processor with an extended DSP instruction set and Jazelle Java accelerator. It achieves 210MIPS at 190MHz. The AT91SAM9261 is an optimized host processor for applications with an LCD display. Its integrated LCD controller supports BW and up to 16M colour, active and passive LCD displays. The 160kB integrated SRAM can be configured as a frame buffer minimizing the impact for LCD refresh on the overall processor performance. The external bus interface incorporates controllers for synchronous DRAM SDRAM and static memories and features specific interface circuitry for Compactflash and NAND flash. It integrates a ROM-based boot loader supporting code shadowing from, for example, external DataFlash into external SDRAM.

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Incorporates the ARM926EJ-S ARM Thumb processor

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External bus interface EBI

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LCD controller

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USB 2.0 full speed 12Mbps host double port

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USB 2.0 full speed 12Mbps device port

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Bus matrix

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Fully featured system controller SYSC for efficient system management

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Reset controller RSTC

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Shutdown controller SHDWC

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Clock generator CKGR

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Power management controller PMC

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Advanced interrupt controller AIC

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Debug unit DBGU

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Periodic interval timer PIT

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Watchdog timer WDT

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Real-time timer RTT

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Three 32-bit Parallel input/output controllers PIO PIOA, PIOB and PIOC

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Nineteen peripheral DMA PDC channels

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Multimedia card interface MCI

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Three synchronous serial controllers SSC