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I'm starting to investigate Altera's Cyclone IV FPGA to use in my projects. Now I borrowed from neighboring company a real device with USB Baster Rev.C. I'd try to use one instead of evaluation board which I don't have for the moment.
Before I will put any code into the device I'd like to download original firmware to make me possible to return the device to it's initial state at any moment.
However after I connected USB Blaster to the device via JTAG and run Programmer I did not find any 'Read' button (as I usually see on AVR programmers GUIs):
Brief search in Internet did not help.
EDIT 1
It looks like there are additional memories on the board:
I used to connect via X4 (pointed with a big red arrow).
Roman Matveev
Cyclone Ii With Usb Port Switch
Roman MatveevRoman Matveev1,08933 gold badges1616 silver badges3939 bronze badges
$endgroup$2 Answers
$begingroup$To read the device configuration, you have to connect to X5 instead of X4 (as pointed out by @Simon Richter). Change your settings to match what is shown below:
Click 'Start' to read the configuration. When it finishes, you can set a file name and then click 'Save File' as below:
sbellsbell
$endgroup$$begingroup$There is no way to read back the current configuration.
If your development board is wired for JTAG mode, as it looks like from your screenshot, then simply writing a new configuration will update the FPGA only and leave the configuration flash alone, so a power cycle will reload the flash and everything is back to as it was before. Ios audio unit apps download.
Simon RichterSimon Richter6,97511 gold badge1212 silver badges2929 bronze badges
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