Embedded Systems Conference
Breaking News
Comments
Newest First | Oldest First | Threaded View
Page 1 / 7   >   >>
Garcia-Lasheras
User Rank
Author
Re: I love asynchronous logic
Garcia-Lasheras   5/15/2014 5:20:20 PM
NO RATINGS
@AZskibum: "I'm curious what tools all you "I love asynchronous logic" guys are using to implement and verify your designs."

Well, last week I used standard VHDL in order to describe a 4000 stages-depth asynchronous micropipeline in the Xilinx Zynq device that powers my Zedboard. No strange circuitry, tools.... just PlanAhead+Xise+plain HDL description.


P.S.: Sorry for my late reply, I missed this post!!

AZskibum
User Rank
Author
Re: I love asynchronous logic
AZskibum   3/30/2014 1:50:16 PM
NO RATINGS
I'm curious what tools all you "I love asynchronous logic" guys are using to implement and verify your designs.

Garcia-Lasheras
User Rank
Author
Re: I love asynchronous logic
Garcia-Lasheras   3/13/2014 7:39:24 PM
NO RATINGS
@tb100: "You would almost think that Intel was up to something!"

Very impressive!! You really manage to stay on top of things!!

But I would add one more deal: Intel funded Silistix, a Manchester Unversity start-up leaded by Steve Furber (one of the original ARM architects) and which focused in the development of an asynchronous On-Chip core interconnect.

You can find more info in the next Silistix Limited website -- where references to Intel has been convenently suppressed, of course ;-)

tb100
User Rank
Author
Re: I love asynchronous logic
tb100   3/12/2014 4:30:12 PM
NO RATINGS
Intel has been involved with a number of asynchronous logic companies. They bought Fulcrum, which has a number of chips, including Ethernet switches, that use asynchronous logic inside. And they partner with Achronix, which makes FPGAs that utilize asynchronous techniques for internal data pipelining. 

You would almost think that Intel was up to something!

 

 

jackOfManyTrades
User Rank
Author
Re: I never metastable I liked
jackOfManyTrades   2/17/2014 3:17:01 AM
NO RATINGS
30 ns is plenty of time if you register inputs and outputs at the I/O pads and have point-to-point connections that are less than 12 inches

Ah...interesting.

Garcia-Lasheras
User Rank
Author
Re: I never metastable I liked
Garcia-Lasheras   2/15/2014 3:25:24 PM
NO RATINGS
Clock gating is also supported in most of the clock buffers in Xilinx 7 Series devices, e.g. in global clock buffers (BUFG) and horizontal clock buffers -- a regional clock distribution network -- (BUFH).

You can also select a lot of different clock inputs for each different clock distribution network, including internally generated clocks.

Ther is more info about this in the next user guide:

Xilinx UG472 7 Series Clocking

betajet
User Rank
Author
Re: I never metastable I liked
betajet   2/15/2014 2:22:33 PM
NO RATINGS
Thanks!  I didn't realize they had that capability.  I may need that feature some day.

 

Brian_D
User Rank
Author
Re: I never metastable I liked
Brian_D   2/15/2014 12:53:20 PM
NO RATINGS
@betajet "The FPGAs I'm familiar with won't let you do this, because the global clocks don't have clock enables [that are visible to the designer]"

Xilinx introduced a synchronously gated global buffer with the Virtex-2 (IIRC) family, which is called BUFGCE in the library primitives guides.

The underlying global buffer also supports sync/async clock muxing capabilities, exposed under a different library primitive name.

Their newer families also support gated regional clock buffers.

-Brian

Garcia-Lasheras
User Rank
Author
Re: Moore's law.....
Garcia-Lasheras   2/14/2014 7:12:32 PM
NO RATINGS
@Max: "I remember a time when I thought Sun Microsystems would be around for ever ... it's like the old saying goes: "The bigger they are, the harder they fall" -- it was a sad day when they disappeared :-("

Yes, a very sad day. I really loved SUN Microsystem: its technology, both hardware and software, its openness, its advanced research... Some people think that they were too smart, commited and professional for staying alive in these weird days we are living now.

Max The Magnificent
User Rank
Author
Re: Moore's law.....
Max The Magnificent   2/14/2014 7:06:25 PM
NO RATINGS
@Garcia: ...finally, Oracle was the one which absorbed the company I was dealing with: SUN Microsystems

I remember a time when I thought Sun Microsystems would be around for ever ... it's like the old saying goes: "The bigger they are, the harder they fall" -- it was a sad day when they disappeared :-(

Page 1 / 7   >   >>


Radio
LATEST ARCHIVED BROADCAST
Overview: Battle-hardened veterans of the electronics industry have heard of the “connected car” so often that they assume it’s a done deal. But do we really know what it takes to get a car connected and what its future entails? Join EE Times editor Junko Yoshida as she moderates a panel of movers and shakers in the connected car business. Executives from Cisco, Siemens and NXP will share ideas, plans and hopes for connected cars and their future. After the first 30 minutes of the radio show, our listeners will have the opportunity to ask questions via live online chat.
Flash Poll
Like Us on Facebook

Datasheets.com Parts Search

185 million searchable parts
(please enter a part number or hit search to begin)
Special Video Section
LED lighting is an important feature in today’s and future ...
Active balancing of series connected battery stacks exists ...
After a four-year absence, Infineon returns to Mobile World ...
A laptop’s 65-watt adapter can be made 6 times smaller and ...
An industry network should have device and data security at ...
The LTC2975 is a four-channel PMBus Power System Manager ...
In this video, a new high speed CMOS output comparator ...
The LT8640 is a 42V, 5A synchronous step-down regulator ...
The LTC2000 high-speed DAC has low noise and excellent ...
How do you protect the load and ensure output continues to ...
General-purpose DACs have applications in instrumentation, ...
Linear Technology demonstrates its latest measurement ...
10:29
Demos from Maxim Integrated at Electronica 2014 show ...
Bosch CEO Stefan Finkbeiner shows off latest combo and ...
STMicroelectronics demoed this simple gesture control ...
Keysight shows you what signals lurk in real-time at 510MHz ...
TE Connectivity's clear-plastic, full-size model car shows ...
Why culture makes Linear Tech a winner.
Recently formed Architects of Modern Power consortium ...
Specially modified Corvette C7 Stingray responds to ex Indy ...