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Altera_Forum
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11 years ago

Reduces a compressed configuration file the configuration time?

Hi all, I am wondering if a compressed raw binary file actually reduces the configuration time? I found in the document configuration, design security and remote system upgrades in cyclone v...
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Altera_Forum
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10 years ago

In the FPP with compression, typically the external host need 4x DCLK cycle to latch a byte into the FPGA (DCLK-to-DATA ratio of 4). In this case, the configuration time is expected longer.

You can consider to use the PFL with enhance bitstream compression and decompression feature to reduce the configuration time in FPP mode. For FPP with enhanced bitstream decompression enabled, the DCLK frequency is ×1 the data rate, thus the configuration time should be shorter. You can refer to the details from the PFL user guide:

https://www.altera.com/content/dam/altera-www/global/en_us/pdfs/literature/ug/ug_pfl.pdf