UPGRADE YOUR BROWSER

We have detected your current browser version is not the latest one. Xilinx.com uses the latest web technologies to bring you the best online experience possible. Please upgrade to a Xilinx.com supported browser:Chrome, Firefox, Internet Explorer 11, Safari. Thank you!

AR# 36243

Initiator/Target v4.12 for PCI - Spartan-6 FPGA FG484 Package Pinout Changes Required for ISE 12.2

Description

Starting with ISE 12.2 software, the current pinout for the XC6SL150-FG484-2 and the XC6SL150T-FG484-2 will fail to meet timing due to the placement of the GNT# pin.

Solution


Although only the current released pinouts of the XC6SL150-FG484-2 and the XC6SL150T-FG484-2are affected by this, the pinouts for all devices in the FG484 package are being modified to allow for migration between devices.

The devices affected are the:

Spartan-6 XC6SLX25-FGG484-2C/I -- Pre-Production
Spartan-6 XC6SLX25T-FGG484-2C/I -- Pre-Production
Spartan-6 XC6SLX45-FGG484-2C/I -- Production
Spartan-6 XC6SLX45T-FGG484-2C/I -- Pre-Production
Spartan-6 XC6SLX100-FGG484-2C/I -- Pre-Production
Spartan-6 XC6SLX100T-FGG484-2C/I -- Pre-Production
Spartan-6 XC6SLX150-FGG484-2C/I -- Pre-Production
Spartan-6 XC6SLX150T-FGG484-2C/I -- Pre-Production
Note LX75 and LX75T device pinouts are already different and not affected by this change. Also, the LX100 and LX100T is not currently released in v4.12, but will be available in v4.13 starting with ISE 12.2 software. The timing issue with GNT# also affects this device.

Customers who have boards currently laid out for the LX25, LX25T, LX45, and LX45T in the FG484 package do not need to modify the pins as timing will still be met. However, the LX150 and LX150T is affected and will not meet timing ISE 12.2 software. This is due to updates to the speedfiles as final characterization is still ongoing. It is recommended any new board start use the pinouts available in ISE 12.2 softwarewith v4.13 of the core.

For the "T" devices GNT# has been moved to:
NET "GNT_N" LOC = "M5" | IOSTANDARD = PCI33_3 | TNM = PADS:BUS_PADS_G ;

For the non "T" devices GNT# has been moved to:
NET "GNT_N" LOC = "K5" | IOSTANDARD = PCI33_3 | TNM = PADS:BUS_PADS_G ;

New UCF files can be obtained at this link:
http://www.xilinx.com/txpatches/pub/applications/pci/ar36243.zip
The UCF is the same for each device ("T" and non "T") since the pins will migrate between devices. You will have to uncomment the CONFIG PART line appropriate for the device you are using.


Revision History
06/17/2010 - Initial Release

Linked Answer Records

Master Answer Records

Answer Number Answer Title Version Found Version Resolved
35334 LogiCORE IP Initiator, Target v4.12 for PCI - Release Notes and Known Issues for ISE Design Suite 11.4 N/A N/A

Associated Answer Records

Answer Number Answer Title Version Found Version Resolved
36646 LogiCORE IP Initiator, Target v4.13 for PCI - Release Notes and Known Issues for ISE Design Suite 12.2 N/A N/A
AR# 36243
Date Created 06/22/2010
Last Updated 05/20/2012
Status Active
Type Known Issues
Devices
  • Spartan-6 LX
  • Spartan-6 LXT
Tools
  • ISE Design Suite - 12.1