ETRAX CRIS
Sun . 18 Aug 2018

ETRAX CRIS

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The ETRAX CRIS is a series of CPUs for use in embedded systems since 19931 The name is an acronym of the chip's features: Ethernet, Token Ring, AXis - Code Reduced Instruction Set Token ring support has been taken out from the latest chips as it has become obsolete

Contents

  • 1 Types of chips
    • 11 ETRAX
    • 12 ETRAX 100LX
    • 13 ETRAX 100LX MCM
    • 14 ETRAX FS
  • 2 Development tools
    • 21 Software
    • 22 Hardware
  • 3 References
  • 4 External links

Types of chipsedit

The TGA Twinax Gate Array, developed in 1986, was a communications transceiver for the AS/400 architecture

The First chip with embedded microcontroller was the CGA-1 Coax Gate Array which contained booth IBM 3270 coax communications, AS/400 communications Twinax It also had a small microcontroller and various IO:s, including serial and parallel interfaces The 1 chip was designed by Martin Gren, the bug-fixed CGA-2 by Martin Gren and Staffan Göransson 2

ETRAXedit

In 1993, by introducing 10 Mbit/s Ethernet and Token Ring controllers, the name ETRAX was born

The ETRAX-4 had improved performance than previous models, along with a SCSI controller

The ETRAX 100 features a 10/100 Mbit/s Ethernet Controller hence the name, along with ATA and Wide SCSI support

ETRAX 100LXedit

In 2000, the ETRAX 100LX design added an MMU, as well as USB, synchronous serial and SDRAM support, and boosted the CPU performance up to 100 MIPS Since it has a MMU, it can run the Linux kernel without modifications

Main characteristics:

  • A 32-bit RISC CPU core
  • 10/100 Mbit/s Ethernet controller
  • 4 asynchronous serial ports
  • 2 synchronous serial ports
  • 2 USB ports
  • 2 Parallel ports
  • 4 ATA IDE ports
  • 2 Narrow SCSI ports or 1 Wide
  • Support for SDRAM, Flash, EEPROM, SRAM

The device comes in a 256-pin Plastic Ball Grid Array PBGA package and uses 350 mW power typical

ETRAX 100LX MCMedit

This system-on-a-chip is an ETRAX 100LX plus flash memory, SDRAM, and an Ethernet PHYceiver There were two versions commercialized: the ETRAX 100LX MCM 2+8 2 MB flash, 8 MB SDRAM, and the ETRAX MCM 4-16 4 MB flash, 16 MB SDRAM

ETRAX FSedit

Designed in 2005, and with full Linux 26 support, this chip features:

  • A 200 MIPS, 32-bit RISC with 5 stage pipeline CRIS CPU core with 16 kB data and 16 kB instruction cache and a MMU
  • Two 10/100 Mbit/s Ethernet controllers
  • Crypto accelerator, supporting AES, DES, Triple DES, SHA-1 and MD5
  • 128 kB on-chip RAM
  • A microprogrammable I/O processor, supporting PC-Card, CardBus, PCI, USB FS/HS host, USB FS device, SCSI and ATA

The device comes in a 256-pin Plastic Ball Grid Array package and uses 465 mW power typical

Development toolsedit

Softwareedit

A SDK along with a cross-compiler is provided by Axis on the development site

Hardwareedit

A FOX board LX 4+16 Notice the Ethernet, DC and USB ports Elphel Reconfigurable Network Camera Based on Etrax FS CPU and Xilinx Spartan 3e FPGA

Several hardware manufacturers offer 'developer boards': a circuit board featuring an ETRAX chip and all the necessary I/O ports to develop or even deploy applications These include:3

  • AXIS 82 developer board
  • Embedded Linux PC from ipcas
  • ACME Systems' FOX board
  • Elphel Reconfigurable Network Camera based on Etrax FS and Xilinx Spartan 3e FPGA
  • embedded Linux system
  • single board Linux computer
  • DSP&FPGA's industrial control unit
  • remote control systems

Referencesedit

  1. ^ axiscom - Axis Chip Development History Archived May 30, 2010, at the Wayback Machine
  2. ^ http://wwwaxiscom/files/sales/axis_milestones_30years_1401_lopdf
  3. ^ "Showroom @" Developeraxiscom Retrieved 2009-04-09 

External linksedit

  • Home page
  • Developers wiki

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ETRAX CRIS


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    ETRAX CRIS beatiful post thanks!

    29.10.2014


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