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Altera_Forum
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15 years ago

Remote update EPCS file format?(rpd or rbf)

I have a Cyclone III EP3C5 design that uses an EPCS4 device in AS mode for remote system update. my question: what file format am I supposed to use when downloading a new application configuration i...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

.rbf

But make sure you use the correct bit order.

In some applications you need to flip the bits like this:

out_byte[7] <= inByte[0];

out_byte[6] <= inByte[1];

out_byte[5] <= inByte[2];

out_byte[4] <= inByte[3];

out_byte[3] <= inByte[4];

out_byte[2] <= inByte[5];

out_byte[1] <= inByte[6];

out_byte[0] <= inByte[7];