Re: gEDA-user: CPLDs and other high-density logic chips...

2006-09-30 Thread Joshua Boyd
On Tue, Sep 05, 2006 at 08:11:47PM -0500, David Carr wrote: You can actually do without the binary only kernel modules. I use a GPL tool called xc3sprog to program my Xilinx fpga devices. Do a quick google and you'll find it. It only officially supports Spartan 3 devices but I was able to

Re: gEDA-user: CPLDs and other high-density logic chips...

2006-09-30 Thread Joshua Boyd
On Sat, Sep 30, 2006 at 05:07:19PM -0400, Joshua Boyd wrote: On Tue, Sep 05, 2006 at 08:11:47PM -0500, David Carr wrote: You can actually do without the binary only kernel modules. I use a GPL tool called xc3sprog to program my Xilinx fpga devices. Do a quick google and you'll find it. It

Re: gEDA-user: CPLDs and other high-density logic chips...

2006-09-11 Thread Joshua Boyd
On Tue, Sep 05, 2006 at 08:11:47PM -0500, David Carr wrote: You can actually do without the binary only kernel modules. I use a GPL tool called xc3sprog to program my Xilinx fpga devices. Do a quick google and you'll find it. It only officially supports Spartan 3 devices but I was able to

Re: gEDA-user: CPLDs and other high-density logic chips...

2006-09-05 Thread Jean-Francois Blavier
Samuel A. Falvo II [EMAIL PROTECTED] wrote: On 9/4/06, John Sheahan [EMAIL PROTECTED] wrote: I figured out how to get impact working with fc3 once, I can dig that out if its useful. It did involve kernel module compilation. Problem is, I'm a Slackware user. [...] I also use Slackware,

Re: gEDA-user: CPLDs and other high-density logic chips...

2006-09-05 Thread Harold D. Skank
Samuel, I have worked with least two different options you might be able to use. First of all, I haven't tried this, but I believe that you can compile Xilinx FPGA's directly from Icarus, as this program apparently was done in cooperation with Xilinx. I have used Xilinx FPGA's, and I can

Re: gEDA-user: CPLDs and other high-density logic chips...

2006-09-05 Thread Joshua Boyd
On Mon, Sep 04, 2006 at 05:16:47PM -0400, Darrell Harmon wrote: The Xilinx software is available for a specific version of Redhat Enterprise Linux on x86 machines. I am successfully running it in a 32 bit chroot on my AMD64 box running Debian. The install was not too difficult. Does the

Re: gEDA-user: CPLDs and other high-density logic chips...

2006-09-05 Thread David Carr
You can actually do without the binary only kernel modules. I use a GPL tool called xc3sprog to program my Xilinx fpga devices. Do a quick google and you'll find it. It only officially supports Spartan 3 devices but I was able to make it program a Virtex II Pro as well. Let me know if you need

Re: gEDA-user: CPLDs and other high-density logic chips...

2006-09-04 Thread Mike Hansen
mailing list geda-user@moria.seul.org Subject: Re: gEDA-user: CPLDs and other high-density logic chips... Date: Sun, 3 Sep 2006 11:56:41 -0400 On Sep 3, 2006, at 11:53 AM, Samuel A. Falvo II wrote: The circuit I'm working on is a 5V circuit, however -- most of the CPLDs and FPGAs I've seen

Re: gEDA-user: CPLDs and other high-density logic chips...

2006-09-04 Thread John Sheahan
Joshua Boyd wrote: For a long time, the WebPack edition was windows only, but starting somewhere in Version 7, the WebPack is also available for Linux. Officially only RHEL3 was supported. I tried it on RHEL3, and the main ISE program still didn't want to work (badly broken file browser, and

Re: gEDA-user: CPLDs and other high-density logic chips...

2006-09-04 Thread Samuel A. Falvo II
On 9/4/06, John Sheahan [EMAIL PROTECTED] wrote: I figured out how to get impact working with fc3 once, I can dig that out if its useful. It did involve kernel module compilation. Problem is, I'm a Slackware user. (And to think, I was even considering switching to FreeBSD not too long from

Re: gEDA-user: CPLDs and other high-density logic chips...

2006-09-03 Thread Mike Jarabek
On Sun, 2006-09-03 at 15:57 +1000, John Sheahan wrote: Samuel A. Falvo II wrote: I am working on a project that, in the end, may require me to utilize a CPLD just to get the thing working and cost-effective. But I really have no knowledge of how to prototype with such beasts. Is there

Re: gEDA-user: CPLDs and other high-density logic chips...

2006-09-03 Thread Samuel A. Falvo II
On 9/3/06, Mike Jarabek [EMAIL PROTECTED] wrote: On Sun, 2006-09-03 at 15:57 +1000, John Sheahan wrote: Thanks for your feedback. The circuit I'm working on is a 5V circuit, however -- most of the CPLDs and FPGAs I've seen are 3.3V or lower. Do you have any recommendations on voltage level

Re: gEDA-user: CPLDs and other high-density logic chips...

2006-09-03 Thread Dave McGuire
On Sep 3, 2006, at 11:53 AM, Samuel A. Falvo II wrote: The circuit I'm working on is a 5V circuit, however -- most of the CPLDs and FPGAs I've seen are 3.3V or lower. Do you have any recommendations on voltage level converter chips? FYI, the Xilinx XC9536 CPLDs (not -XL, not -XV...just

Re: gEDA-user: CPLDs and other high-density logic chips...

2006-09-03 Thread Stuart Brorson
Altera's MAX7000S series CPLDs are 5V parts. They are not cutting-edge technology, but it may be worth it to you if the rest of your circuit is 5V. Stuart On Sun, 3 Sep 2006, Samuel A. Falvo II wrote: On 9/3/06, Mike Jarabek [EMAIL PROTECTED] wrote: On Sun, 2006-09-03 at 15:57 +1000, John

Re: gEDA-user: CPLDs and other high-density logic chips...

2006-09-03 Thread Bob Paddock
On Sunday 03 September 2006 10:43, Mike Jarabek wrote: On Sun, 2006-09-03 at 15:57 +1000, John Sheahan wrote: Samuel A. Falvo II wrote: I am working on a project that, in the end, may require me to utilize a CPLD just to get the thing working and cost-effective. But I really have no

Re: gEDA-user: CPLDs and other high-density logic chips...

2006-09-03 Thread Samuel A. Falvo II
On 9/3/06, Bob Paddock [EMAIL PROTECTED] wrote: For example, if you were to pick xilinx, and with what you have mentioned, you might want to drop the cpld, Xilinx CoolRunner family of parts are still worth looking at if low power is the overriding goal. If I were to drop the CPLD and just

Re: gEDA-user: CPLDs and other high-density logic chips...

2006-09-03 Thread DJ Delorie
If I were to drop the CPLD and just go with an FPGA, how would I be able to couple this to 5V logic? Read the Spartan docs. For example, it is 3.3v but can drive a high enough Voh to meet 5v TTL input specs (~2.4v), and the inputs are also 5v tolerant. They might meet your requirements.

Re: gEDA-user: CPLDs and other high-density logic chips...

2006-09-03 Thread Stuart Brorson
On Sun, 3 Sep 2006, DJ Delorie wrote: If I were to drop the CPLD and just go with an FPGA, how would I be able to couple this to 5V logic? Read the Spartan docs. For example, it is 3.3v but can drive a high enough Voh to meet 5v TTL input specs (~2.4v), and the inputs are also 5v tolerant.

Re: gEDA-user: CPLDs and other high-density logic chips...

2006-09-03 Thread John Sheahan
Samuel A. Falvo II wrote: On 9/3/06, Bob Paddock [EMAIL PROTECTED] wrote: For example, if you were to pick xilinx, and with what you have mentioned, you might want to drop the cpld, Xilinx CoolRunner family of parts are still worth looking at if low power is the overriding goal. If I

gEDA-user: CPLDs and other high-density logic chips...

2006-09-02 Thread Samuel A. Falvo II
I am working on a project that, in the end, may require me to utilize a CPLD just to get the thing working and cost-effective. But I really have no knowledge of how to prototype with such beasts. Is there a body of resources that you folks would recommend to a *total* neophyte with respect to