Description

Version Found: v2.5
Version Resolved and other Known Issues: see (Xilinx Answer 45723)
The UCF for the ML605 has an incorrect timing constraint when the core is generated for x8 gen2

Solution

TIMESPEC "TS_CLK_500" = PERIOD "CLK_500" TS_SYSCLK*2.0 HIGH 50 % PRIORITY 1 ;

TIMESPEC "TS_CLK_500" = PERIOD "CLK_500" TS_SYSCLK*5.0 HIGH 50 % PRIORITY 1 ;