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If you intend to use serial flash, either Altera EPCS or compatible industry standard types, AS configuration scheme would be the most simple option. It could also use the Remote System Upgrade IP to select between configurations and won't necessarily need a µP for configuration control.
PS is often used with parallel flash and serial data stream generated in the configuration controller, either MAX II (with PFL IP) or a µP.
Buffers will be needed depending on the number of FPGAs and intended DCLK speed. Also the trace length plays a role. Standard 3.3V logic families, e.g. LVC can work.
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Hello FvM,
How many buffers should be used here? on the handbook there is only two Cyclone III devices and there is a buffer between the devices. But should we put additional buffers if there are more than two devices?
i mean, one buffer after each device?
Regards..
Honored Contributor
