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Max The Magnificent
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Re: Possible Discussion Topic
Max The Magnificent   7/6/2013 12:48:40 PM
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@DrFPGA: There are som many things going on in prototyping space that it makes your head spin. For example, I love the virtual prototypes that allow you to go either forward or backward in the code flow -- like stepping back through instructions or jumping back the the previous function call.

And the bug FPGA-based emulators that can provide the equivalent of ~150 million ASIC gates .... mind boggling is all I can say.

DrFPGA
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Possible Discussion Topic
DrFPGA   7/1/2013 11:31:44 AM
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Max-

Looks like an excellent area for discussion. There are so many tricks and techniques out there for quickly creating prototypes it will be very useful to have a 'clearing house' for what works and what doesn't.

I'm particularly interested in any experiences readers have with prototyping MCU-based systems using FPGAs. Has anyone done this or considering it?

Now that FPGAs all seem to be moving to ARM-based devices I seems like it would be possible to create a universal prototype platform that could target a variety of MCUs. Just pick the peripherals you want and fold them into the FPGA.

Are the ARM 'drivers' for peripherals generic enough so that you can move from one implementation of a peripheral to another? (Can I use an API that doesn't really care about the hardware implementation- location of register control bits for an SPI periperal for example- so I can easily retarget a different MCU?



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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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