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Old 04-11-2006, 01:09 AM
Alan Nishioka
Posts: n/a
Default Re: Configuration Rate with multiple .bit files

Jeff Brower wrote:
> I am combining 2 .bit files into one .mcs for an XCF16P (XC3S1500-676
> and XC3S1000-456). In both cases I've set the Configuration Rate
> parameterto 50. It takes 200 msec for DONE to go high -- that sounds
> too slow.

XCS1500 config is 5,214,784 bits
XCS1000 config is 3,223,488 bits

( 5214784+3223488 bits ) / 50 MHz = 169ms (as a lower bound)

How much faster do you expect it to be?

Alan Nishioka

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