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Altera_Forum
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12 years ago

alt_read_flash too slow?

I have NIOS-II processor, compiled with Quartus 12.0 I was wondering if the following performance is reasonable: When I call alt_read_flash and read an entire flash block (256KBytes) I measure t...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

The firmware size is about 2.5MBytes so my calculation about the read speed during boot takes that into acount.

The flash device I'm using is epcs128. After running signal tap, it seems that there is quite a big delay between each byte read. The amount of the delay does seem reasonable according to the read speed I'm experiencing.

I wonder if it is possible to configure this delay in any way.