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Altera_Forum
Honored Contributor
16 years agoFlash read causes two reads
I have the Stratix III development kit with the 512-Mbit Intel part on it. My command writes appear to be correct, looking at it with SignalTap. I write to the base address a command such as ...
Altera_Forum
Honored Contributor
16 years agothe byte enable is always a 4 bit byte enable , but for 16 bit slaves only the lowest 2 bits make sense and are used. but even if the slave is only 16 bit and so byteenable [1..0] is used the byteenable [3..2] are also indicating (both bits are 0) something. in our case the the upper 16 bit are not requested
this trick can't be used with the shiped tristate bridge, you have to write your own tristate bridge that takes this trick into account and obeys the upper 2 byteenable bits