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Description

The AT91SAM9263 32-bit microcontroller, based on the ARM926EJ-S processor, is architectured on a 9-layer matrix, allowing a maximum internal bandwidth of nine 32-bit buses. It also features two independent external memory buses, EBI0 and EBI1, capable of interfacing with a wide range of memory devices and an IDE hard disk. Two external buses prevent bottlenecks, thus guaranteeing maximum performance.

Features

? Incorporates the ARM926EJ-S? ARM? Thumb? Processor

– DSP Instruction Extensions, Jazelle? Technology for Java? Acceleration

– 16 Kbyte Data Cache, 16 Kbyte Instruction Cache, Write Buffer

– 220 MIPS at 200 MHz

– Memory Management Unit

– EmbeddedICE?, Debug Communication Channel Support

– Mid-level Implementation Embedded Trace Macrocell?

? Bus Matrix

– Nine 32-bit-layer Matrix, Allowing a Total of 28.8 Gbps of On-chip Bus Bandwidth

– Boot Mode Select Option, Remap Command

? Embedded Memories

– One 128 Kbyte Internal ROM, Single-cycle Access at Maximum Bus Matrix Speed

– One 80 Kbyte Internal SRAM, Single-cycle Access at Maximum Processor or Bus Matrix Speed

– One 16 Kbyte Internal SRAM, Single-cycle Access at Maximum Bus Matrix Speed

? Dual External Bus Interface (EBI0 and EBI1)

– EBI0 Supports SDRAM, Static Memory, ECC-enabled NAND Flash and CompactFlash?

– EBI1 Supports SDRAM, Static Memory and ECC-enabled NAND Flash

? DMA Controller (DMAC)

– Acts as one Bus Matrix Master

– Embeds 2 Unidirectional Channels with Programmable Priority, Address Generation, Channel Buffering and Control

? Twenty Peripheral DMA Controller Channels (PDC)

? LCD Controller

– Supports Passive or Active Displays

– Up to 24 bits per Pixel in TFT Mode, Up to 16 bits per Pixel in STN Color Mode

– Up to 16M Colors in TFT Mode, Resolution Up to 2048x2048, Supports Virtual Screen Buffers

? Two D Graphics Accelerator

– Line Draw, Block Transfer, Clipping, Commands Queuing

? Image Sensor Interface

– ITU-R BT. 601/656 External Interface, Programmable Frame Capture Rate

– 12-bit Data Interface for Support of High Sensibility Sensors

– SAV and EAV Synchronization, Preview Path with Scaler, YCbCr Format

? USB 2.0 Full Speed (12 Mbits per second) Host Double Port

– Dual On-chip Transceivers

– Integrated FIFOs and Dedicated DMA Channels

? USB 2.0 Full Speed (12 Mbits per second) Device Port

– On-chip Transceiver, 2,432-byte Configurable Integrated DPRAM

? Ethernet MAC 10/100 Base-T

– Media Independent Interface or Reduced Media Independent Interface

– 28-byte FIFOs and Dedicated DMA Channels for Receive and Transmit

? Fully-featured System Controller, including

– Reset Controller, Shutdown Controller

– Twenty 32-bit Battery Backup Registers for a Total of 80 Bytes

– Clock Generator and Power Management Controller

– Advanced Interrupt Controller and Debug Unit

– Periodic Interval Timer, Watchdog Timer and Double Real-time Timer

? Reset Controller (RSTC)

– Based on Two Power-on Reset Cells, Reset Source Identification and Reset Output Control

? Shutdown Controller (SHDWC)

– Programmable Shutdown Pin Control and Wake-up Circuitry

? Clock Generator (CKGR)

– 32768Hz Low-power Oscillator on Battery Backup Power Supply, Providing a Permanent Slow Clock

– 3 to 20 MHz On-chip Oscillator and Two Up to 240 MHz PLLs

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