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Note:  Earlier versions of the ZY1000 were built with eCos Linux which is no longer supported.  The probes are now shipped with a full version of NIOS Linux MMU with the release of version 1.85.  Users who need to upgrade a ZY1000 with the NIOS Linux versions need to install v1.85 Rev C first before upgrading to newer Linux versions.  Click here for instructions.


ZY1000 Firmware

Starting with version 1.85, the ZY1000  can optionally run NIOS Linux. This opens up new networking capabilities and improved remote support. The target support is unchanged, i.e. it makes no difference what operating system the target is running, whether ZY1000 is running eCos (as before) or NIOS Linux.

Users are required to have a current support subscription to obtain the latest release of this firmware. Please contact USI if you have any questions. You can email This e-mail address is being protected from spambots. You need JavaScript enabled to view it or call 978-455-3383. 


Release history

Version Date Description
1.95 linux

  • Support for OpenOCD v0.9.0 added
1.94 linux 7/24/2013
  • Support for OpenOCD v0.7.0 added
1.92 linux 12/20/2012

1.85 Rev C

1.85 linux

  • ZY1000 manual updated.
  • Easy to use remote field access capability to ZY1000
  • JTAG over TCP/IP performance radically improved in Linux version of firmware.
  • UrJTAG support (beta)
  • Improvements to LPC configuration files
  • STM32, CFI flash improvements
  • Improved Cortex M3 CFI performance
  • DSP563xx improvements
  • a91 config file improvements
  • Cortex A8 improvements
  • OpenOCD v0.4.0-796

1.81 Rev C

1.81 linux

1.81 Rev B

  • Profiling capability from web interface added. No instrumentation required.
  • New manual in electronic format included in ZY1000 Linux firmware
  • tftp server built into web interface
  • Online remote Zylin support feature
  • ZY1000 revc can now run linux. This opens up for new networking protocols, such as Windows file shares.
  • More and improved target/PCB configuration files
  • NXP LPC improvements
  • CFI, XScale, Cortex-M3, Cortex-A8 improvements
  • Upload size limit up to 24mBytes for flash images
  • Improvements to web menus
  • Auto unlock on flash programming web page
  • Power relay status displays correctly
  • Verify now shows 128 differences
  • Bugfixes
  • OpenOCD v0.4.0-704









































ZY1000 revB will be supported until April 1, 2011.



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