AR# 16140


5.2i CPLD iMPACT CoolRunner-II XC2C384 - Global Clock 1 (GCK1) fails to clock registers on device


General Description:  

Functional and timing simulation pass, however registers clocked by Global Clock pin 1 (GCK1) do not toggle.


There is a bug in the iMPACT programming tool that prevents the proper programming of the GCK bit. As a result, registers connected to GCK1 are unresponsive on the device.  


This problem is fixed in the latest 5.2i Service Pack available at:
The first service pack containing the fix is 5.2i Service Pack 1.

AR# 16140
日付 05/08/2014
ステータス アーカイブ
種類 一般
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