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CPLD and PCI Bridge
by Unknown on Jan 20, 2005 |
Not available! | ||
I have a board that supports a XC2C64-7VQ100C CoolRunner-II CPLD.
There are XC2C128, a XC2C256, and a XC2C512 versions of the CoolRunner-II. Am I realistic to expect that the PCI Bridge would work on one of these or is it likely that one of the FPGAs would be compatable? |
CPLD and PCI Bridge
by Unknown on Jan 20, 2005 |
Not available! | ||
>>>>> "walters" == walters walters@cyberbeam.net> writes:
walters> I have a board that supports a XC2C64-7VQ100C CoolRunner-II
walters> CPLD. There are XC2C128, a XC2C256, and a XC2C512 versions of
walters> the CoolRunner-II.
walters> Am I realistic to expect that the PCI Bridge would work on one
walters> of these or is it likely that one of the FPGAs would be
walters> compatable?
Lattice has an application note and HDL sources for a 32-Bit PCI Target
using ispMACH devices (rd1008). They claim 34 % utilasation on a
M4A3-384/192-65AC.
So it might be doable with a coolrunner.
But before going the PCI way:
If you don't need frequent interaction between the host and the target,
think about doing an USB(2) design. No fiffling with PCI, no need to open
the PCI, and ready available chipd (Cypress FX2, FTDI DT2232 and even the
Opencore core).
Bye
--
Uwe Bonnes bon@elektron.ikp.physik.tu-darmstadt.de
Institut fuer Kernphysik Schlossgartenstrasse 9 64289 Darmstadt
--------- Tel. 06151 162516 -------- Fax. 06151 164321 ----------
|
CPLD and PCI Bridge
by Walt on Jan 20, 2005 |
Walt
Posts: 1 Joined: Nov 7, 2008 Last seen: Nov 8, 2008 |
||
I was operating under the impression that a PCI Bridge on a coolrunner that
used a supported hardware socket on my board would be the most
straightforward way to add the desired 802.11g functionality.
Would USB (2) be easier? I'm not familiar with the FX2, FTDI DT2232.
Walter
-----Original Message-----
From: pci-bounces@opencores.org [mailto:pci-bounces@opencores.org] On Behalf
Of Uwe Bonnes
Sent: Thursday, January 20, 2005 1:04 AM
To: Discussion list about free, open source PCI IP core
Subject: Re: [pci] CPLD and PCI Bridge
"walters" == walters walters@cyberbeam.net> writes:
walters> I have a board that supports a XC2C64-7VQ100C CoolRunner-II
walters> CPLD. There are XC2C128, a XC2C256, and a XC2C512 versions of
walters> the CoolRunner-II.
walters> Am I realistic to expect that the PCI Bridge would work on one
walters> of these or is it likely that one of the FPGAs would be
walters> compatable?
Lattice has an application note and HDL sources for a 32-Bit PCI Target
using ispMACH devices (rd1008). They claim 34 % utilasation on a
M4A3-384/192-65AC.
So it might be doable with a coolrunner.
But before going the PCI way:
If you don't need frequent interaction between the host and the target,
think about doing an USB(2) design. No fiffling with PCI, no need to open
the PCI, and ready available chipd (Cypress FX2, FTDI DT2232 and even the
Opencore core).
Bye
--
Uwe Bonnes bon@elektron.ikp.physik.tu-darmstadt.de
Institut fuer Kernphysik Schlossgartenstrasse 9 64289 Darmstadt
--------- Tel. 06151 162516 -------- Fax. 06151 164321 ----------
_______________________________________________
http://www.opencores.org/mailman/listinfo/pci
|
CPLD and PCI Bridge
by Unknown on Jan 21, 2005 |
Not available! | ||
>>>>> "Walt" == Walt walters@cyberbeam.net> writes:
Walt> I was operating under the impression that a PCI Bridge on a
Walt> coolrunner that used a supported hardware socket on my board would
Walt> be the most straightforward way to add the desired 802.11g
Walt> functionality.
Walt> Would USB (2) be easier? I'm not familiar with the FX2, FTDI
Walt> DT2232.
Depends on what you want. The FT2232 is great for:
- generating protocols like One-wire/ I2C/SPI/Jtag
- talk to simple devices like the Can BUS Controller SJA1000
- talks to 8 bit FIFO devices and CPUs
but is is limited to USB 2.0 Full Speed (12 Mbits / Second)
The FX2 is for more challenging task. Serveral Software Radio Projects use
them to pipe data at high speed into the PC. Look for the SSRP page
(http://oscar.dcarr.org/ssrp/index.php) for an example.
Walt> -----Original Message----- From: pci-bounces@opencores.org
Please don't bottom full quote ("TOFU")
( it fills up the archives with redundancy and makes them hard to search).
Bye
--
Uwe Bonnes bon@elektron.ikp.physik.tu-darmstadt.de
Institut fuer Kernphysik Schlossgartenstrasse 9 64289 Darmstadt
--------- Tel. 06151 162516 -------- Fax. 06151 164321 ----------
|
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