Answers Database

Bitgen M1.2.11 - Incorrect bitstream for wrapped carry configuration on XC4000E


Record #2438

Product Family:  Software

Product Line:  Merged Core

Problem Title:
Bitgen M1.2.11 - Incorrect bitstream for wrapped carry configuration on
XC4000E



Problem Description:
Bitgen in M1.2.11 can generate an incorrect bitstream for
XC4000E designs when the carry logic wraps around the end
of a column.

Reference #17155


Solution 1:

A patch for M1.2.11 is available at:

ftp://ftp.xilinx.com/pub/swhelp/M1.2_alliance_pr/bit_sun061397.tar.Z
ftp://ftp.xilinx.com/pub/swhelp/M1.2_alliance_pr/bit_sol061397.tar.Z
ftp://ftp.xilinx.com/pub/swhelp/M1.2_alliance_pr/bit_hp061397.tar.Z
ftp://ftp.xilinx.com/pub/swhelp/M1.2_alliance_pr/bit_nt2.zip



End of Record #2438