Power management in OCP-IP 3.0 (intro)

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Home > Journal > December, 2009

Power management in OCP-IP 3.0

According to Moore’s Law, system-on-chips (SoCs) should continually become more complex and integrate more components, enabled by each reduction in silicon technologies. However, power consumption does not follow the linear path implied here due to increasing leakage in deep sub-micron technologies. Hence, new power management techniques are needed to reduce power dissipation as much as possible.

This paper explores how to address architectural challenges seen in today’s complex SoC designs based on the Open Core Protocol (OCP) by taking advantage of such techniques. The concept of interface disconnection is introduced and the OCP disconnect protocol is described, based on its implementation described in the 3.0 release of OCP-IP. Finally, we consider several implementations in a power management framework.

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