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JTAG Frequency
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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 20 MHz and can be changed via Quartus Tools or ".arrow_usb_blaster.conf" file, see install instructions
Change on Windows
- Change via Quartus Tools or change registry:
- Open Registry Editor on section: HKEY_LOCAL_MACHINE\SOFTWARE\
- Browse to Altera Corporation\JTAGServer\Hardware_Arrow_USB_Blaster
- Change value from TckFrequency
- See also PDF included in "C:\Program Files\Arrow\Arrow USB Blaster" installation
Installing Instruction of the newest version
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