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Altera_Forum
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14 years ago

IO buffers

Hi guys i am doing synthesis at module level and IO buffers are being implemented by the tool.. I dont want these buffers to be implemented. Can anybody help me with the constraints for not infe...
Altera_Forum's avatar
Altera_Forum
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14 years ago

I'm not following. I assumed this block really fed something else internally(another hierarchy). But it sounds like it's real? For 225MHz you almost have to push the register into the I/O cell, which means there will be no logic between the output reg and the IO.