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Extending networks to SoC IP saved power at the IoT edge

Brandon Lewis, Assistant Managing Editor, Dec. 03, 2015 – 

SoC architectures have remained largely the same over the last 20 years, with designers adding IP via the main CPU bus to create increasingly complex, integrated chips. But as SoCs become more mainstream and adapt to power, performance, and time-to-market demands of IoT and other devices, new approaches are required that enable designers to iterate targeted solutions more quickly and effectively. In this interview, Drew Wingard, Co-Founder and CTO of IP design house Sonics Inc., describes how on-chip networks and high degrees of automation are helping vendors optimize IoT edge silicon and prepare for a new era of SoC development.

What can you tell us about Sonics and on-chip networking technology?

WINGARD: The key idea for Sonics as an IP company is that we should leverage networking technologies for trying to connect together the various IP blocks that make up an SoC. The general-purpose processor in many of these systems is just the controller and the piece that's visible to the software developer for adding applications on top. But the reason we build an SoC is usually the other components on the chip that keep the customer from using an off-the-shelf microprocessor as the only element in the design. We have taken that system view that there is a reason that people are building an SoC - they're building an SoC with extra-special hardware because they can do something more efficiently in this optimized hardware instead of just building an array of general-purpose CPUs.

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