tag: UPF

Bridging the IP Divide
By Brian Bailey - 18 May, 2016 - Comments: 1

IP reuse enabled greater efficiency in the creation of large, complex SoCs, but even after 20 years there are few tools to bridge the divide between the IP provider and the IP user. The problem is that there is an implicit fuzzy contract describing how the IP should be used, what capabilities it provides, and the extent of the verification that has been performed. IP vendors have been trying to... » read more

Is Low Power Coverage Achievable?
By Srikanth Jadcherla - 12 May, 2016 - Comments: 0

Back in 2005, yes, before the invention of the iPhone, I made a slide to educate users on what to cover in Low Power Verification. Using a simple 3 island test case, I illustrated that verification had to be done in 4 states of operation, with 8 transitions and 16 sequences to be verified. This is after pruning the theoretically possible set of 8 states for on/off voltage islands. More than ... » read more

An Introduction To Reducing Dynamic Power
By Ellie Burns - 14 Apr, 2016 - Comments: 0

In the past few blogs we have been primarily talking about UPF and applying the Successive Refinement process to save power. But, this process addresses leakage power. In this session we want to talk about how to save dynamic power. As designs move to finFET technology, dynamic power is the dominant contributor to power consumption. Power consumption trend. I recently sat down with my c... » read more

Mixed-Signal Design Powers Ahead
By Ann Mutschler - 10 Mar, 2016 - Comments: 1

Mixed-signal devices are at the heart of many advanced systems today because of the need to interact with the outside world, but designing and verifying these systems is getting harder. There are several reasons for this. First, almost all of these devices now have to be lower power than in the past, and in the analog space it's not as simple as just dialing down part of a block. Second, it ... » read more

Verification Facing Unique Inflection Point
By Brian Bailey - 10 Mar, 2016 - Comments: 0

The Design and Verification Conference and Exhibition (DVCon) attracted more than 1,100 people to San Jose last week, just slightly less than last year. While a lot of focus, and most of the glory, goes to design within semiconductor companies, it is verification where most of the advancements are happening and thus the bigger focus for DVCon. The rate of change in verification and the producti... » read more

Powerful New Standard
By Brian Bailey - 02 Mar, 2016 - Comments: 1

In December 2015, the IEEE released the latest version of the 1801 specification, titled the IEEE standard for design and verification of low-power integrated circuits, but most people know it as UPF or the Unified Power Format. The standard provides a way to specify the power intent associated with a design. With it, a designer can define the various power states of the design and the contexts... » read more

Powerful New Standard
By Brian Bailey - 11 Feb, 2016 - Comments: 0

In December the IEEE released the latest version of the 1801 specification, entitled the IEEE standard for design and verification of low-power integrated circuits. Most people know it as UPF, or the Unified Power Format. That was the name the first version of it held while being developed within Accellera. The standard provides a way to specify the power intent associated with a design, enabli... » read more

Three Steps To Complete Power-Aware Debug
By Ellie Burns - 28 Jan, 2016 - Comments: 0

In previous blogs, we’ve talked about UPF and the successive refinement low power flow developed by ARM and Mentor Graphics (you can find these here.) In this blog we’d like to walk through some typical debugging scenarios our customers face in their low power designs. So I’ve asked two of our low power debug experts, Gabriel Chidolue and Mark Handover, to join me to make sure you get ... » read more

Automated Power Model Verification For Analog IPs
By Sierene Aymen - 21 Jan, 2016 - Comments: 0

By Sierene Aymen and Hartmut Marquardt Creating macro power models for analog intellectual property (IP) blocks is essential to enable the chip assembly group to effectively integrate these blocks within their place and route environment. These macro models, which define power domains, identify IP ports as signal, power, ground, or trivial ports, and describe the associations of signal pins ... » read more

Next-Generation Power-Aware CDC Verification: What Have We Learned?
By Mentor, a Siemens Business - 08 Jul, 2015 - Comments: 0

Reducing power consumption is essential to mobile and handheld application chips where reduced power contributes to longer battery life while minimally impacting performance. Reduced power consumption is achieved by partitioning an ASIC into multiple power domains, then controlling the power of these domains by switching off power or reducing voltage levels. Reduction of power consumption is fu... » read more

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