category: Blogs – LPHP

category: IoT, Security & Automotive

The Low Power-System Level Connection
By Ann Mutschler - 09 Feb, 2012 - Comments: 0

I don’t know about you but I am fired up (in a good way) with everything surrounding low power and design at the system level. We are at a point where the challenges are pretty well understood, we can see the way forward in many areas, but what needs to happen next is the evolution of technology that will compel users to adopt the new techniques, which may have yet to be created. Engineeri... » read more

Way, Way Beyond CES
By Tiffany Sparks - 26 Jan, 2012 - Comments: 0

By Tiffany Sparks This month, the eyes of the electronics industry were literally and figuratively on the Consumer Electronics Show. Reports put attendance for CES at upwards of 150,000 people. Just to put that figure in perspective, that’s roughly equivalent to the entire population of cities like Springfield, Mass., or Sioux Falls, S.D. (according to Wikipedia). And that’s actually large... » read more

Better Power Planning
By Preeti Gupta - 12 Jan, 2012 - Comments: 0

By Preeti Gupta Making the right architectural decisions for controlling power consumption and ensuring power integrity requires early identification and quantification of varying current demands in a semiconductor design. Furthermore, low-power designs pose complexities for power verification, such as significant current surges caused by clock gating or power gating transitions. In last mo... » read more

Power Intent Formats: Reality Check
By Luke Lang - 12 Jan, 2012 - Comments: 2

By Luke Lang It is January once again. In addition to wishing everyone a Happy New Year, I would like to wish everyone a lower-power 2012. This month, I will continue with the CPF/UPF power format discussion and examine more complex power architectures. Also, the focus will be only on CPF 1.1 and UPF 1.0. These are what the current tools support. IEEE 1801 is up and coming, but there is n... » read more

Undervolting & Underclocking
By Barry Pangrle - 12 Jan, 2012 - Comments: 0

By Barry Pangrle Last month we looked at record-breaking clock frequencies accompanied by voltage levels over 2V for some high-speed x86 processors. This month we’re going to go in the opposite direction—reducing the voltage and clock frequency to reduce power. Our processor of choice is the AMD A8-3850, a 100W, 2.9 GHz, quad-core, x86 processor that also incorporates 400 “Radeon core... » read more

Peace Overture
By Ann Mutschler - 12 Jan, 2012 - Comments: 0

One look at the headline and you may think I’m going to suggest that virtual prototyping can solve the myriad issues between hardware and software teams but rest assured, I’m not. I will tell you that I’ve heard some promising anecdotes lately, and that is a little bit encouraging. When you finish reading, please chime in with your comments! In the course of interviewing Achim Nohl, te... » read more

After The Ball Drops
By Atrenta - 14 Dec, 2011 - Comments: 0

Growing up in New York City leaves lasting memories. The coming holiday season evokes some strong ones. The Christmas tree in Rockefeller Center is an example. Christmas always seemed to radiate in all directions from that huge tree perched above the ice skating rink behind Radio City Music Hall. And then there was the ball dropping on New Year’s Eve in Times Square. For the most part, New Yo... » read more

Power Intent Formats
By Luke Lang - 01 Dec, 2011 - Comments: 0

The October blog about CPF, UPF 1.0, and IEEE 1801 power domain definitions resulted in some reader feedback and suggestions. Several points are worthy of further discussion and clarification. Let me start with the toughest questions. What is my motivation behind the blog? Am I trying to make CPF look better than UPF/IEEE 1801? My preferred choice of power intent should not be a surprise ... » read more

Power Delivery Networks
By Preeti Gupta - 01 Dec, 2011 - Comments: 0

By Preeti Gupta That power is now at the forefront of semiconductor design is no secret. It is also true that lowering power consumption drives product competitiveness and green technology—even more so in today’s mobile-driven market. But the same drive for lower power also increases the complexity of ensuring the power integrity of a system-on-chip (SoC). The power delivery network (PD... » read more

Speed Demons
By Barry Pangrle - 01 Dec, 2011 - Comments: 0

By Barry Pangrle For extreme world record performance levels, the required power levels are also typically extreme. It’s that age-old battle against diminishing returns to squeeze out every last drop of performance versus practical limits and wallets. For example, a top fuel dragster can consume about six gallons of fuel for a quarter-mile run down the strip. As has previously been shown ... » read more

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