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Yeah, I did play with it a bit and could synthesize it @ 120 MHz.  It's a 3-stage version of the Microblaze core (the high performance version use 5 stages) and is limited to 64 kB program space in bram (no sdram access).  It comes with a set of basic peripherals (uarts, timers, interrupt controller etc.) but it's easy to remove their peripherals and/or add our own if you so like.

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I looked at report for one of the systems I created, it had the UART and interrupt controller but no timers nor GPIO, and my own SPI controller.  It took up 342 slices on a Spartan-6 at 100 MHz.


BTW, Xilinx has a very detailed PDF-document about Microblaze_MCS. 


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  • 3 weeks later...


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