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Default JTAG Speed with driver Version 2.2 is 20 MHz.
| USB controller | Maximum frequency | Other valid frequencies |
|---|---|---|
| FT2232D | 6 MHz | 3 MHz, 2 MHz, 1.5 MHz, 1.2 MHz … 92 Hz |
| FT2232H | 20 MHz | 15 MHz, 10 MHz, 7.5 MHz, 6 MHz … 460 Hz |
Change on Linux:
- Change via Quartus Tools or ".arrow_usb_blaster.conf" file, see install instructions
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- In case Windows does not automatically find the appropriate drivers go to http://www.ftdichip.com/Drivers/D2XX.htm to download the setup executable to install the required drivers.
Known issues:
- On Win 10: In In case Arrow USB Blaster is selectable on Quartus, but no device can be detected, reinstall FTDI drivers from http://www.ftdichip.com/Drivers/D2XX.htm .
- HW server service of quartus request only one time programmer from Arrow DLLs. In case of dynamically connect/disconnect FTDI programmer or other FTDI based boards it's sometimes needed to restart HW server service of Quartus to link again to the correct FTDI.
| Info |
|---|
For problems on Windows, please check Troubleshooting Guide and use Diagnostic program, available on Arrow_USB_Programmer Setup Libraries Download Area. |
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- Copy the file libjtag_hw_arrow.so to the directory linux64 of thw Quartus installation directory e.g. /usr/local/intelFPGA_lite/1819.01/quartus/linux64 .Copy the file 51-arrow-programmer.rules to /etc/udev/rules.d .
- Make sure the Arrow USB Programmer is not linked to a virtual COM port.
- Please check readme of the download for more detailed instructions
The frequency of the JTAG clock TCK can be configured using an additional configuration file. The programmer hardware library searches the configuration data using different file names at two different locations.
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- During the enumeration process, the FTDI USB controller performs a reset. Depending on the hardware used, this might remove the power from the FPGA and therefore might erase the contents of the FPGA.
Revision change history
2.2 to 2.3
- winOS: add32 bit version of FTDI USB driver
- LinuxOS:
- rules file removed
- readme explains basics about VCP issue
2.1 to 2.2
the frequency of the JTAG clock TCK can be set and queried via the command line tool jtagconfig from Intel
the standard TCK frequency is 20 MHz instead of 6 MHz
it is now possible to program non-volatile keys into an FPGA
In the Windows version, the current USB drivers of FTDI are copied to the installation directory.
In the Linux Version, new installation description and rules file
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