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Old 04-11-2006, 04:06 AM
Jim Granville
Posts: n/a
Default Re: Configuration Rate with multiple .bit files

Alan Nishioka wrote:
> Jeff Brower wrote:
>>The first FPGA has a PCI core. We were hoping to boot under 100 msec.
>>Is there a way to go faster than 50 MHz without resorting to external
>>clock + INIT gating circuitry?

> I don't know. This is one of the reasons I have always used external
> pci bridges. But I thought there was more time during pci config.
> All I can think of is using two config proms or using parallel config
> mode.

On that line, what about one of the 150Mbit Winbond SPI memories, and
a small CPLD to turn it into parallel-config ?


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