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Altera_Forum's avatar
Altera_Forum
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16 years ago

EPCS4 data format?

I have an EPCS4 on a board with a Cyclone II. I'm using the pof file to load the EPCS4 and that all works fine. I have a processor on the board which then goes to read the EPCS4 to save it on an SD C...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Sounds correct. You need a standard SPI bit order, when sending the serial flash commands and addresses and an inverted (LSB first) bit order when writing or reading the configuration data from/to a file.