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AR# 1824

** HW-130: Programming 73144 yields "Warning! Programming Error at Address XXXX"

Description

Keywords: hw-130, 73144

Urgency: Standard

General Description:

In some circumstances, the HW-130 Programmer may issue
the following message:

WARNING!
PROGRAMMING ERROR
AT ADDRESS 0018

on XC73144 devices. (The actual address flagged in the
error message may vary.)

The problem is related to the use of the Ground Control pins in the
XC73144 devices. The Ground Control pins are utilized when you
specify the -u option to FITNET/FITEQN to "Drive Unused I/O
Pads On Chip".

A conflict arises because when the pins are used for logic, they
cannot be driven to ground.)

Solution

1

One workaround is to recompile the design WITHOUT the -u
option and tie pullups or pulldowns to any unused I/O on
the device.

2

Use the 6.0.x software on the PC to generate the .PRG files,
instead of the 5.2.1 software on the PC/Workstation.


AR# 1824
Date Created 08/31/2007
Last Updated 10/06/2008
Status Archive
Type General Article