Search found 12 matches

by Allein
Wed Apr 03, 2013 4:11 pm
Forum: Development Tools and Programming
Topic: Xmos in Sil2, Sil3 applications
Replies: 1
Views: 2020

Re: Xmos in Sil2, Sil3 applications

Hi Bob, Being active in industrial control systems design, I'm also very aware of, and agree with your points on the advantages XMOS could bring in terms of System Integrity. Anyway, this is a vast and complex domain that would be worth to have XMOS bringing in their own figures, specially in terms ...
by Allein
Tue Dec 11, 2012 9:53 am
Forum: XMOS Devices
Topic: Galvanic isolated L-Link ??
Replies: 7
Views: 5516

Re: Galvanic isolated L-Link ??

Isolating a 133MHz XLink (7.5ns bit period) with such a 150MHz GMR may work... or not... The issue is the signal distorsion (1.5ns according to DS) to be added to the signal skew (you know, the eye diagram). So, without a serious SI analysis or practical validation, and based on my experience of suc...
by Allein
Fri Nov 23, 2012 3:44 pm
Forum: Projects
Topic: XLink (-L) Non-volatile Memory and I/O Service Board
Replies: 12
Views: 8621

Re: XLink (-L) Non-volatile Memory and I/O Service Board

<t>* XLink (5w) & MRAM board:<br/> Form factor: the first implementation will be a SliceKit slice form, with one XLink (5w), one FPGA and one or two 4Mb / 16Mb MRAMs on it (= 256kB to 4MB, depending on which and how many parts are fitted).<br/> XLink protocol / VHDL code: will not be open-source...
by Allein
Sat Aug 25, 2012 10:17 am
Forum: Development Tools and Programming
Topic: XC - The Future
Replies: 7
Views: 8679

Re: XC - The Future

Hi, This kind of discussions on whether using I/O mapped peripherals or Xlink connected peripherals and "servers" brings me back some 20 to 25 years ago, a the age of Transputers. At that time, Inmos (the "ancestor" of XMOS, for the young ones) had Link I/O interface chips that w...
by Allein
Sat Aug 25, 2012 9:36 am
Forum: Getting started
Topic: Newbie question: where are the high-i/o boards ?
Replies: 6
Views: 5649

Re: Newbie question: where are the high-i/o boards ?

Hi, As a very experienced complex PCB designer, I would like to bring in some quick remarks on this thread topics: 1) G4 processor: as you maybe not know, the G4 isn't compatible with the new XC processors (L1 / L2 / ...) because of its 1st generation XLink. So, should you want to connect to another...
by Allein
Sun Jul 29, 2012 9:45 am
Forum: Jobs
Topic: Small job - Advice on network solutions
Replies: 5
Views: 166120

Re: Small job - Advice on network solutions

Hi, Although I'm not yet experienced enough with 100Mbps Ethernet managed by an XCore to give grounded advices, I can share following experiences with GEth with you (thus confirming some earlier comments): - GMII runs at 125 MHz: an XS1-L1 Port has max frequencies of 100 MHz (when based on internal ...
by Allein
Tue Jun 26, 2012 7:37 pm
Forum: Projects
Topic: XLink (-L) Non-volatile Memory and I/O Service Board
Replies: 12
Views: 8621

Re: XLink (-L) Non-volatile Memory and I/O Service Board

<r>- cheap QFP FPGA: OK<br/> - SDRAM: unfortunately no; we are targeting applications were non-volatility is essential. And for random access, an SRAM interface like the one offered by MRAMs (<URL url="http://www.everspin.com">www.everspin.com</URL>) is much more efficient than SDRAM.<br/> - multipl...
by Allein
Sun Jun 24, 2012 9:57 pm
Forum: Projects
Topic: XLink Non-volatile Memory Service Board : comments welcome
Replies: 4
Views: 5829

Re: XLink Non-volatile Memory Service Board : comments welco

Speaking about this board details: - Target price: the BOM is not yet fully completed but offering a non-volatile MRAM bank functionality can't compete with a low-price SDRAM; re: FPGA, the Lattice entry-level FPGAs are fully competitive with the mentioned $8 scale. - Target functionality: MRAM chip...
by Allein
Tue Jun 19, 2012 2:14 pm
Forum: Projects
Topic: XLink Non-volatile Memory Service Board : comments welcome
Replies: 4
Views: 5829

XLink Non-volatile Memory Service Board : comments welcome

Hi everybody, I'm currently defining the operational modes this XLink Memory Service Board will be offering to the XCore programmer (streaming data file | random access | structured data repository | ???...). So, if anybody has an interest into it, you're welcome to let me know what your ideas, drea...
by Allein
Tue Jun 19, 2012 1:17 pm
Forum: Projects
Topic: XLink (-L) Non-volatile Memory and I/O Service Board
Replies: 12
Views: 8621

Re: XLink (-L) Non-volatile Memory and I/O Service Board

May I ask you how you'd like / dream to use it ? This may have a direct impact on the schematic - and I hate missing an option...
Thanks