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AT91SAM9G20 - AT91 ARM Thumb Microcontrollers

General Description

The AT91SAM9G20 is based on the integration of an ARM926EJ-S processor with fast ROM and RAM memories and a wide range of peripherals.

The AT91SAM9G20 embeds an Ethernet MAC, one USB Device Port, and a USB Host controller.

Key Features

  • Incorporates the ARM926EJ-S™ ARM® Thumb® Processor.
  • DSP Instruction Extensions, ARM Jazelle® Technology for Java® Acceleration.
  • 32-KByte Data Cache, 32-KByte Instruction Cache, Write Buffer.
  • CPU Frequency 400 MHz.
  • Memory Management Unit.
  • EmbeddedICE™, Debug Communication Channel Support Additional Embedded Memories.
  • One 64-KByte Internal ROM, Single-cycle Access at Maximum Matrix Speed.
  • Two 16-KByte Internal SRAM, Single-cy.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.DataSheet4U.com Features • Incorporates the ARM926EJ-S™ ARM® Thumb® Processor – DSP Instruction Extensions, ARM Jazelle® Technology for Java® Acceleration – 32-KByte Data Cache, 32-KByte Instruction Cache, Write Buffer – CPU Frequency 400 MHz – Memory Management Unit – EmbeddedICE™, Debug Communication Channel Support Additional Embedded Memories – One 64-KByte Internal ROM, Single-cycle Access at Maximum Matrix Speed – Two 16-KByte Internal SRAM, Single-cycle Access at Maximum Matrix Speed External Bus Interface (EBI) – Supports SDRAM, Static Memory, ECC-enabled NAND Flash and CompactFlash® USB 2.0 Full Speed (12 Mbits per second) Device Port – On-chip Transceiver, 2,432-byte Configurable Integrated DPRAM USB 2.