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  3. AR# 9730: 3.1i NGDBuild - "WARNING:NgdBuild:483 - Attribute "LOC" on "<pin_name>" is on the wrong type of object..."

AR# 9730

3.1i NGDBuild - "WARNING:NgdBuild:483 - Attribute "LOC" on "<pin_name>" is on the wrong type of object..."

描述

Keywords: FPGA, Express, NGDBuild, BUFG, IPAD, LOC

Urgency: Standard

General Description:
When running a 4K/Spartan design through FPGA Express with instantiated
BUFGs, I encounter the following warning message:

WARNING:NgdBuild:483 - Attribute "LOC" on "IQ_DEC_CLK" is on the wrong
type of object. Please see the "Attributes, Constraints, and Carry Logic" section of
the Libraries Guide for more information on this attribute.

解决方案

1

This problem related to the way FPGA Express inserts IPADS into the design. To
work around this issue, run NGDBuild with the -a switch.

In Foundation 3.1i:

1. Select the Implementation Options pull-down menu -> Options
2. Push the Edit Options button for implementation.
3. Select the Translate tab.
4. Select "Create I/O Pads from Ports."

For more information, please also see (Xilinx Solution 9691).

2

In Foundation ISE 3.1i:

1. Right-click on "Implement Design."
2. Select the Translate Options tab.
3. Select "Create I/O Pads from Ports."

3

In Design Manager:

1. Select the Design pull-down menu -> Options.
2. Push the Edit Options button for implementation.
3. Select the Translate tab.
4. Select "Create I/O Pads from Ports."

For more information, please also see (Xilinx Solution 9691).
AR# 9730
日期 04/30/2007
状态 Archive
Type 综合文章
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