Atmel Evaluation Board AT91SAM9XE-EK Manual de usuario descargar pdf (Pagina 11)

AT91SAM9260-EK Evaluation Board User Guide 3-1

6234C–ATARM–22-Mar-07

Section 3

Board Description

3.1 AT91SAM9260

Microcontroller

• Incorporates the ARM926EJ-S™ ARM

Thumb

Processor

– DSP Instruction Extensions, ARM Jazelle

Technology fo r Java

Acceleration

– 8-KByte Data Cache, 8-KByte Instruction Cache, Write Buffer

– 200 MIPS at 180 MHz

– Memory Management Unit

– EmbeddedICE

™

, Debug Communication Channel Support

• Additional Embedded Memories

– One 32-KByte Internal ROM, Single-cycle Access At Maximum Matrix Speed

– Two 4-KByte Internal SRAM, Single-cycle Access At Maximum Matrix Speed

• External Bus Interface (EBI)

– Supports SDRAM, Static Memory, ECC-enabled NANDFlash and CompactFlash

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

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

• USB 2.0 Full Speed (12 Mbits per second) Host Single Port in the 208-lead PQFP

Package and Double Port in 217-ball LFBGA Package

– Single or Dual On-chip Transceivers

– Integrated FIFOs and Dedicated DMA Channels

• Ethernet MAC 10/100 Base T

– Media Independant Interface or Reduced Media Independant Interface

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

• 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

• Bus Matrix

– Six 32-bit-layer Matrix

– Boot Mode Select Option, Remap Command

• Fully-featured System Controller, including

– Reset Controller, Shutdown Controller

– Four 32-bit Battery Backup Registers for a Total of 16 Bytes

– Clock Generator and Power Management Controller

– Advanced Interrupt Controller and Debug Unit

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

• Reset Controller (RSTC)

– Based on a Power-on Reset Cell, Reset Source Identification and Reset Output

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